Top cross-platform app development companies in 2025

When we talk about app development, even a single “but” or “mistake” can cost your business millions. If your new feature isn’t released before your competitor’s, users may switch to another app, or your team doesn’t manage to test an idea on both iOS and Android – you might miss your moment. Partnering with a reliable cross-platform app development company changes the rules: today you don’t need to choose between speed, quality, user experience, savings, or ambition. 

For startups and SMBs, betting on cross-platform app development means you don’t have to pick “right” or “left”. Launch an MVP on both platforms simultaneously, test your hypotheses instantly, quickly adapt to user feedback, and avoid wasting budget on half-baked products.

For larger companies and enterprises, cross-platform solutions help you cover the target audience and make smarter budget decisions. No need for separate teams, double costs, or slow launches - unified architecture and UX, plus synchronized iOS and Android releases, help save up reasonable amounts in development costs and let you react faster to the market. And the numbers speak for themselves:

Cross-platform tools can save more than 30% of app development time compared to native app development – a decisive advantage for rapid launches, MVPs, and startups aiming for early market traction. Source: Research 2 Guidance.

React Native’s market share grew from 4.73% in 2022 to 6.75% in 2024 on iOS, while Flutter increased from 10.15% to 11.07% on Android over the same period. These numbers show a clear shift towards cross-platform adoption. Source: Appfigures SDK Intelligence.

Cross-platform app development framework market is projected to grow from USD 15.67 Billion in 2025 to USD 42.60 Billion by 2034, exhibiting a compound annual growth rate (CAGR) of 11.75% during the forecast period (2025 – 2034). Source: Market Research Future.

These numbers confirm one thing: cross-platform mobile app development is no longer just a growing trend – it's a core approach for companies that want to scale faster, optimize development cycles, and deliver a seamless experience across every device.

What is cross-platform app development?

Cross-platform app development means building a software product that works seamlessly across multiple operating systems – most commonly iOS and Android. Instead of creating and maintaining two separate apps using native languages like Swift or Kotlin, cross-platform frameworks such as Flutter and React Native enable teams to develop one unified codebase that reaches all users at once. This approach saves time, lowers costs, and helps you deliver faster to market.

Numbers, statistics and clear comparisons between cross-platform and native app development reveal one key advantage: a unified architecture speeds up delivery, cuts risks, and eliminates duplicated effort throughout the entire product lifecycle. That is why industries where speed to market and adaptability are vital – such as retail, e-commerce, media, wellness, real estate, and on-demand services – increasingly rely on cross-platform app development companies as their main approach.

Also, modern frameworks have removed past limitations in performance and design. Today, expert-built apps from a trusted cross-platform app development company offer near-native responsiveness, polished user experiences, and smooth interactions across devices. Understanding these strategic benefits is necessary. But how does partnering with a specialized cross-platform development company translate these advantages into real business outcomes? Let’s explore the key benefits of such partnerships.

Benefits of partnering with a cross-platform app development company

When you decide to develop your cross-platform app, working with a specialized development partner makes the process more accessible and reliable. Below let’s take a look at the main benefits of working with cross-platform app development companies. 

1. Maxim audience reach through the one development cycle

Instead of launching sequentially on different platforms, your app goes live simultaneously on both iOS and Android, opening access to roughly 75% of the global mobile market instantly. This coverage difference lets you validate ideas faster and scale adoption more effectively.

2. Significant cost savings and budget predictability

Cross-platform projects generally cost 30–50% less than building separate native apps. Savings come from a unified codebase, smaller team size, and streamlined testing, freeing resources for marketing, customer support, or product enhancements.

3. Faster time to release and agile iteration

Accelerated development cycles translate to faster app launches – often reducing time-to-market by almost half versus native approaches. Unified releases allow startups to swiftly gather user feedback and pivot as needed without duplicated effort.

4. Consistent brand and user experience

A shared design system ensures your brand looks and feels familiar on every device, improving user trust and reducing confusion. This polished, consistent UX is key to keeping customers engaged and loyal.

5. Simplified maintenance and faster updates

With one codebase to update, bug fixes and feature releases happen once and apply everywhere, reducing downtime and minimizing versioning headaches. This agility supports confident and continuous product evolution.

6. Access to a larger and flexible talent pool

Cross-platform frameworks use widely known languages – Dart for Flutter app development and JavaScript/TypeScript (React Native, Ionic) – making it easier to hire skilled developers quickly and cost-effectively. Smaller teams can manage all platforms without sacrificing quality.

7. Unified marketing and user acquisition

Simultaneous multi-platform launches maximize marketing impact while lowering promotional costs. One campaign communicates a single, clear message – strengthening brand presence and recognition.

“Cross-platform app development is a strategic advantage that enables our clients to go to market faster and more cost-effectively, without sacrificing quality or user experience. At SolveIt, we focus on bridging business objectives with scalable, high-performance apps that deliver seamless experiences across all devices.” 

– Аndrei Savich, CTO at SolveIt

Top 10 cross-platform app development companies 

1. SolveIt

🌐 Website: https://solveit.dev/

📍 Location: Poland, USA, Sweden

💲 Hourly rate: $25 – $49

⭐️ Clutch rating: 5.0

Industry focus: E-commerce & marketplaces, Real estate, Healthcare & wellness, Media & entertainment, Logistics & transportation, Food & delivery, Travel & booking, Social networking, AI.

SolveIt is a leading cross-platform app development company specializing in Flutter to build scalable, high-performance mobile and web applications that run seamlessly on multiple platforms from a single codebase. Serving startups, SMEs, and enterprises alike, SolveIt transforms complex business needs into fast-to-market products with near-native performance and polished user experience. Their expertise enables efficient development cycles, rapid MVP launches (from 3 months), and robust post-launch support, ensuring scalable solutions tailored to evolving market demands. Additionally, the team possesses extensive experience in Swift, Kotlin, and React, offering flexible technology choices to best fit each project, whether it’s native or cross-platform development.

Backed by transparent communication, flexible collaboration models, SolveIt minimizes technical risks and budget overruns while maximizing business value. Moreover, SolveIt implements AI-driven integration to empower businesses with smarter, more personalized digital products. They could also embed artificial intelligence into cross-platform app development, enabling clients to optimize operations and deliver experiences that foster customer loyalty, long-term user growth, and increased revenue. Clients consistently praise their reliability, strategic mindset, and ability to deliver products with speed and quality, as proved by Clutch 5.0 rating.

2. Synergy Labs

🌐 Website: https://www.synergylabs.co/ 

📍 Location: USA

💲 Hourly rate: $50 – $99

⭐️ Clutch rating: 5.0

Industry focus: Financial services, Food & beverage, Government, Hospitality & leisure, Legal, Real estate, Supply chain, Logistics, eCommerce.

Synergy Labs is a results-driven cross-platform mobile app development company delivering custom digital solutions that fuel innovation and operational excellence for startups, SMEs, and enterprise clients. Harnessing the power of Flutter and FlutterFlow, the team crafts robust, feature-rich apps for iOS, Android, and web from a single codebase – ensuring fast launches and seamless user experiences across devices.

With a strong focus on clear communication and agile workflows, Synergy Labs manages a limited number of projects to ensure personalized attention and high-quality delivery. Their expertise includes end-to-end development – from concept and design to launch and support – with a tech stack that complements Flutter by incorporating React, Laravel, and cloud services. 

3. GoodCore 

🌐 Website: https://www.goodcore.co.uk/ 

📍 Location: England

💲 Hourly rate: $25-$49

⭐️ Clutch rating: 5.0

Industry focus: Edtech, Medical, Financial services, Manufacturing, Real estate, Supply chain, Logistics, Transport.

GoodCore is a UK-based, full-service software and cross-platform app development company with over 19 years of experience delivering high-quality cross-platform mobile and web applications. They serve startups, SMEs, and established enterprises by blending strategic problem-solving with agile delivery, ensuring faster time-to-market and optimized business value.

Their expertise spans end-to-end product development, including MVP development, UI/UX design, mobile and web app creation, dedicated development teams, and quality assurance. GoodCore employs a hybrid onshore-offshore delivery model offering clients the local presence and collaboration benefits of a UK partner combined with access to top-tier global engineering talent at competitive costs. Known for a collaborative, transparent approach and refined agile processes, GoodCore has successfully delivered 110+ projects. This proven track record makes them a reliable partner among cross-platform mobile app development companies.

4. KITRUM

🌐 Website: https://kitrum.com/ 

📍 Location: USA

💲 Hourly rate: $50 – $99

⭐️ Clutch rating: 5.0

Industry focus: Healthcare, Fintech, Logistics, Marketplaces, Travel, Edtech, AI.

KITRUM is a versatile custom software and cross-platform app development company recognized for its strong focus on scalable, high-quality solutions across web, mobile, and AI-driven products. Since 2014, KITRUM has partnered with startups, SMEs, and enterprises worldwide, helping them accelerate growth through agile team augmentation and end-to-end delivery tailored to complex business needs. Their expertise covers a wide technology stack including .NET, Angular, AI/ML, data engineering, and mobile development, enabling rapid MVP launches and robust long-term scaling.

Known for its highly selective recruitment – screening thousands of candidates annually to build strong remote teams, KITRUM emphasizes transparency, flexibility, and proactive problem-solving. This approach has earned them consistent praise for project management, technical skill, and adaptability from diverse clients in fintech, healthcare, and more. 

5. WEZOM

🌐 Website: https://wezom.com/

📍 Location: USA

💲 Hourly rate: $25 – $49

⭐️ Clutch rating: 5.0

Industry focus: Energy & natural resources, Supply chain, Logistics and transport, Financial services, Medical, Real estate, Retail, eCommerce.

WEZOM is an established cross-platform app development company with over 25 years of experience delivering custom software solutions across mobile, web, and enterprise domains. Known for their methodical approach, they provide end-to-end services from initial discovery and UX/UI design to development, rigorous quality assurance, and post-launch support. WEZOM leverages technologies such as Flutter alongside other frameworks to build secure, scalable hybrid applications optimized for iOS, Android, and web platforms from a unified codebase.

WEZOM emphasizes transparency, collaborative workflows, and integration capabilities – such as CRM systems and AI-driven features – which enhance operational efficiency and customer engagement. With a focus on delivering robust cross-platform applications, they maintain consistent adherence to international standards and industrial best practices throughout the software lifecycle.

6. Gogi Labs

🌐 Website: https://gojilabs.com/

📍 Location: USA

💲 Hourly rate: $100-$149

⭐️ Clutch rating: 5.0

Industry focus: Consumer products & services, Edtech, Medical, Fintech, Social media.

Goji Labs is a product design and cross-platform mobile app development company based in Los Angeles, serving startups, enterprises, and non-profits with a focus on translating complex ideas into scalable digital products. With over a decade of experience, the company emphasizes strategic product thinking, UX design, and agile development to create user-centric, high-quality mobile and web applications. Goji Labs works across industries including fintech, healthcare, and entertainment, leveraging its expertise to deliver solutions that align technology with business objectives.

Known for its collaborative approach, Goji Labs integrates seamlessly with client teams to provide product strategy, technical delivery, and iterative development, helping reduce risk and accelerate time-to-market. Goji Labs’s capabilities encompass cross-platform app development with modern technologies, helping clients build intuitive, scalable applications that perform reliably across devices. Their methodology focuses on balancing technical execution with strategic goals to enhance user engagement and sustain competitive advantage in dynamic markets.

7. Blink22

🌐 Website: https://www.blink22.com/

📍 Location: UAE, UK, Singapore, Qatar

💲 Hourly rate: $50 - $99

⭐️ Clutch rating: 4.9

Industry focus: Medical, Fintech, Consumer products & services, Education, eCommerce.

Blink22 is a global cross-platform app development company founded in 2015, specializing in innovative web and mobile applications that help businesses grow and scale efficiently. With a team of over 100 engineers, designers, and project managers, Blink22 delivers end-to-end software development services, combining expertise in emerging technologies such as AI and chatbots with a passion for enhancing user experience. Their agile development process and transparent communication ensure that client goals remain central throughout the project lifecycle.

Operating from Dubai but serving clients worldwide, Blink22 has built a strong portfolio across diverse industries including media, education, e-commerce, and real-time location-based services. The company is recognized for quick turnaround, technical proficiency, and a developer-led culture fostering continuous innovation. Their multi-regional presence and cross-cultural team help them address a global market’s evolving needs with flexible collaboration models and advanced technology integration.

8. Pagepro

🌐 Website: https://pagepro.co/

📍 Location: Poland, UK

💲 Hourly rate: $50 - $99 

⭐️ Clutch rating: 4.9

Industry focus: Advertising & marketing, automotive, Consumer products & services, Edtech, Fintech, Hospitality & leisure, Medical, eCommerce.

Pagepro is a cross-platform app development company specializing in web and mobile solutions with a focus on React and React Native. Since 2012, Pagepro has worked with startups and SMEs, delivering custom software tailored to business needs. The company emphasizes transparent communication, collaboration, and an agile mindset to ensure projects are delivered on time and within scope.

Their expertise includes front-end development and backend, Progressive Web Apps (PWA), and integration with third-party APIs, providing clients with scalable and maintainable products. Known for pragmatic problem-solving and attention to quality, Pagepro supports clients through the full software development lifecycle, including post-launch support and iterative improvements. Clients appreciate their reliability and straightforward approach, reflected in a strong 4.9 rating on Clutch. 

9. Sigma Software Group

🌐 Website: https://sigma.software/

📍 Location: Ukraine, USA, Canada, Sweden, Poland, UAE

💲 Hourly rate: $50 - $99

⭐️ Clutch rating: 4.8

Industry focus: Medical, Automotive, Real estate, Fintech, Edtech, Supply chain, Logistics, Defence, iGaming.

Sigma Software Group is a well-established cross-platform app development company providing a broad range of IT services across mobile, web, and enterprise solutions. Founded in 2002, Sigma Software serves clients globally, including startups, SMEs, and large enterprises, delivering full-cycle software development with a focus on scalability, quality, and adaptability.

The company combines strong technical expertise with industry knowledge across sectors such as fintech, healthcare, automotive, and telecom. Their technology stack is extensive, covering Flutter, React Native, .NET, Java, and cloud platforms, enabling tailored solutions for complex business needs. Sigma Software emphasizes agile methodologies, continuous integration/delivery (CI/CD), and proactive client collaboration to optimize development processes and mitigate risks. Clients value Sigma Software’s flexibility, transparent communication, and ability to deliver projects on time and within budget. 

10. Rootstrap

🌐 Website: https://www.rootstrap.com/

📍 Location: USA, Uruguay, Columbia, Argentina

💲 Hourly rate: $50 - $99

⭐️ Clutch rating: 4.8

Industry focus: Medical, Consumer products & services, Edtech, Fintech, Media, AI.

Rootstrap is a full-service cross-platform mobile application development company specializing in delivering end-to-end solutions from product strategy and UX/UI design to agile software development and scaling. Rootstrap partners with startups, enterprises, and fast-growing companies primarily in the fintech, healthcare, and e-commerce sectors. Their approach focuses on combining technical expertise with strategic consulting to build user-centric, scalable applications that align with business goals.

With over a decade of experience, Rootstrap offers expertise in technologies such as Flutter, React Native, Ruby on Rails, and cloud infrastructure. Their collaborative and transparent development process emphasizes rapid iteration and continuous delivery, minimizing risk while accelerating time-to-market. Clients often highlight Rootstrap’s strong project management, clear communication, and ability to adapt to evolving requirements.

Important criteria to consider when selecting cross-platform app development company

When selecting a cross-platform app development company, business leaders – whether in a startup, SMB, or enterprise – should evaluate companies based on practical, transparent, and business-critical criteria. Here’s what to focus on to maximize value and minimize risks:

1. Cost transparency & flexibility

Don’t just pick the lowest price. Bargain rates often mean hidden compromises in quality or scalability. Prioritize vendors who provide a clear, detailed app development cost breakdown (development, QA, management, post-launch support) and flexible engagement models adapted to your needs.

Expert tip: Clarity in contracts and the ability to scale teams or adjust scope as your needs evolve are markers of a mature, client-oriented partner.

2. Rapid MVP & launch experience

Top cross-platform app development companies should have a track record of building MVPs quickly, gathering user feedback, and iterating in response.

Expert tip: Request tangible case studies of MVPs and ask how feedback was incorporated post-launch.

3. Tech stack & deep expertise

Look for validated expertise in leading cross-platform frameworks (Flutter, React Native). The proper tech stack ensures faster builds, easier maintenance, and scalability.

Expert tip: Confirm the team’s technical depth, industry certifications, and experience with your project’s required frameworks and integrations.

4. Transparency & communication

Effective cross-platform mobile app development companies are marked by clear, open communication, project transparency, and reliable reporting, from roadmaps to issue tracking.

Expert tip: Agile methodologies, demos, and a single, responsive point of contact are strong signals of a transparent partner.

5. Reputation: ratings & client reviews

Check independent platforms (Clutch, DesignRush, etc.) for high, consistent ratings and detailed client testimonials, not just scores.

Expert tip: Focus on reviews from similar industries and look for feedback on long-term support and post-delivery flexibility.

6. Real project portfolio

A strong cross-platform app development company will showcase live, deployed mobile applications – test them for seamless UX, performance, and robustness.

Expert tip: Ensure the provider’s portfolio matches your technical requirements – including integrations, customizations, and plans for growth.

“Focus on overall value, not just cost. The right partner will save you vastly more in the long run by reducing rework, maintenance headaches, and missed market opportunities, compared to bargain offers that fall short under pressure. Look for companies that combine technical rigor with genuine business understanding – this balance is critical for startups, SMBs and enterprises striving for measurable returns and market agility.”

– Ilia Kiselevich, CEO at SolveIt

How can SolveIt help you with cross-platform app development?

Now as we move further and have already explored what is cross-platform development and when and why to select this option, as well as went through the top companies listings, let us bring some light and share how SolveIt can help your team with cross-platform app development.  

Fast MVP launches and full-cycle development

We specialize in rapid MVP delivery and end-to-end product development. Our proven processes let you go from idea to market-ready app in as little as three months. Every app we build focuses on intuitive design and smooth performance across iOS, Android, and web platforms.

Deep technical expertise across various business verticals

Our experienced team goes beyond Flutter, working with a comprehensive set of technologies – including Swift, Kotlin as well as web frameworks like React, Next.js, and robust backend solutions. This enables us to choose the optimal stack for your unique needs, ensuring scalable, efficient, and future-proof applications. We’ve delivered profitable solutions for real estate, social networking, healthcare, productivity, and more – always tailoring each product to the client’s business goals and growth strategy.

Trusted client experience and specialized services

With a consultative, transparent approach, SolveIt is recognized for reliability and strategic insight, proven by top industry ratings. We provide comprehensive services including business analysis, UX/UI design, development, QA, launch, and ongoing support – ensuring smooth project delivery from start to finish as a full-service cross-platform mobile application development company. 

Now let’s take a look at some cases of successfully completed cross-platform app development by our team.

1. Job search app

SolveIt revamped the job search mobile app for JobJob.md, the most popular job search platform that helps over 50,000 job seekers and 5,000 companies annually. The client needed a scalable app integrated with existing backend systems and a minimalistic, intuitive design accessible even to less tech-savvy users.

• The MVP was built and launched in 3 months using Flutter.

• The new app quickly became a top free Business app in the App Store within its first month.

• Android app downloads exceeded 5,000 within 2 weeks after launch.

• The iOS app rating improved from 4.4 to 4.8 post-launch.

2. Rental app

SolveIt provided project rescue and modernization services for a Swedish property rental platform originally developed by another vendor. The client needed to stabilize the app, fix critical bugs, and complete development without time or cost overruns, while also improving design and monetization.

• Redesigned app architecture, moving heavy logic to server side, resulting in up to 30% faster loading times as reported by the client.

• Introduced minimalistic Scandinavian design, enhancing user experience and visual appeal.

• Developed a unique third-party exchange feature enabling landlords to directly swap rental properties – an innovative market differentiator.

• Delivered fully functional iOS and Android apps in 6 months, with both apps live in the App Stores and ongoing work on a web platform for seamless cross-device use.

• Client anticipates 50% improvement in user engagement and increased stability under rising traffic.

3. Social media app

SolveIt developed a Flutter-based social media app for the LGBTQ+ community, aiming to create a safe, inclusive, and engaging digital space. The client approached SolveIt after an earlier vendor completed only 20% of the app and requested budget and timeline extensions, which were unacceptable. SolveIt took over the project, reviewed existing work, and planned the completion within strict deadlines.

• Full project rescue and delivery in 7 months. Took over from 20% completion, finished the app ahead of strict deadlines and budget, ensuring a seamless project transfer and launch on both iOS and Android.

• Achieved 2,000+ downloads and active users in the first 2 days (soft launch), proving immediate market acceptance and community engagement.

• Custom algorithms match users by interests, location, and profile, driving authentic connections and high engagement within the community.

• Over 30 paid transactions in the first 2 days, confirming business viability.

• Awarded a 5.0 rating on Clutch for project management, transparency, and technical excellence; robust admin tools and security features protect user safety and foster a positive environment.

4. Medical app

SolveIt developed a cross-platform healthcare app for a network of medical centers providing multi-specialty services for over 10 years. The client sought a scalable, secure solution to give patients 24/7 access to medical records, appointment scheduling, test results, e-prescriptions, and online payments – all while supporting expansion into new regions.

• Conducted a thorough discovery phase to translate business needs into detailed technical specifications and design tailored interfaces for patients, doctors, and admins.

• Delivered fully integrated mobile apps for patients and web apps for doctors, connected through a robust admin panel.

• Redesigned the backend architecture for scalability to support unlimited clinics, doctors, and regions without performance loss.

• Ensured compliance with medical data privacy regulations, implementing AES encryption and secure messaging for patient data protection.

• Integrated with existing clinic systems including website, payment processing, email, and SMS.

How much does cross-platform app development cost?

The cost of working with a cross-platform app development company varies widely depending on your project’s complexity, features, and scale. Based on our extensive experience, here’s a practical breakdown of typical investment ranges for different types of cross-platform apps.

Cross-platform app development for business:

• Basic apps
  Simple static content apps with basic UI, minimal backend or no backend, suitable for early MVPs or internal tools.
  Estimated cost: from $30,000 to $50,000.

• Mid-level apps
  Apps with custom UI/UX, user authentication, API integrations, push notifications, and basic third-party services. Ideal for small to medium businesses requiring more functionality.
  Estimated cost: from $50,000 to $90,000.

• Feature-rich apps
  Advanced apps including real-time chat, geolocation, media uploads, payment gateways, admin panels, and complex third-party integrations. Suitable for larger businesses or social platforms.
  Estimated cost: from $90,000 to $150,000+.

• Enterprise-level apps
  Highly scalable, secure apps with multi-role access, analytics, cloud synchronization, stringent regulatory compliance (e.g., HIPAA, GDPR), and 24/7 support. Designed for complex and large-scale enterprise needs.
  Estimated cost: from $120,000 to $200,000+.

Factors impacting development cost:

• App complexity and feature set

• Number and type of external integrations (APIs, payment systems, analytics)

• Performance needs and supported platforms/devices

• Security and compliance requirements, especially in regulated industries

• UI/UX design complexity and animations

• Project timeline and team composition

At SolveIt, every project begins with a free consultation and a thorough client needs assessment. We assemble a specialized team – business analysts, CTO, and experienced cross-platform developers and designers – to provide a transparent, tailored cost estimate and a clear project roadmap before development starts. This approach ensures your investment aligns with your strategic goals and budget.

Final words

Cross-platform app development is no longer just an option – it’s a strategic imperative for businesses that want to move fast, reach broad audiences, and optimize development costs without sacrificing quality or user experience. Whether you’re a startup launching your first MVP, an SMB scaling your product, or an enterprise handling complex, regulated workflows, choosing the right cross-platform application development company is key to your success.

At SolveIt, we understand that every project is unique. Our proven expertise in Flutter and modern cross-platform frameworks, combined with a consultative, transparent approach, ensures your app is built for scalability, security, and seamless performance across all devices. From rapid MVP launches to full lifecycle support, we help you turn ideas into impactful, market-ready solutions. As you consider your next project, remember: the right partner bridges technology with business goals, innovates without compromise, and supports your growth every step of the way. 

Let’s build your future-proof app together – faster, smarter, and stronger. Ready to start? Contact SolveIt today for your free consultation and expert roadmap.