Award-Winning App Development Company Built Sweat (#1 Fitness App) & Apps Generating $1.5B+ in Revenue

App development is the process of creating software applications for mobile devices (iOS and Android) or web platforms. It involves strategy, design, coding, testing, and launch - transforming ideas into functional products that users love. But here's what most agencies won't tell you: successful app development isn't just about writing code. It's about understanding business models, user psychology, and market dynamics. We've built apps that generated $1.5B+ in revenue because we treat app development as business building, not just software engineering.

Most agencies talk about their process. We talk about our results. $1.5B+ in client revenue generated. SWEAT sold for $400M. EzLicence processed $100M+ in bookings. Traininpink is Italy's #1 fitness app. We take 5-10 clients per year, not 50. Our average partnership lasts 7+ years. And Tobi Pearce (SWEAT co-founder) trusted us enough to become a shareholder. We guarantee 99.99% uptime with 3-month warranties on every build. Other agencies build apps. We build businesses that dominate their markets.

We build iOS apps, Android apps, web applications, and cross-platform solutions using Flutter. We specialise in subscription-based platforms, two-sided marketplaces, content delivery systems, enterprise portals, and eCommerce solutions. We're framework agnostic - whether it's native Swift for iOS, Kotlin for Android, Flutter for cross-platform, React/Vue.js for web, or Ruby on Rails/Laravel for backends - we choose the technology stack based on what's best for YOUR business, not what's easiest for us to build.

Depends on your business model. If you need push notifications, offline functionality, or you're building a subscription business that needs App Store credibility - mobile app. If you need rapid deployment, no app store approval delays, or you're targeting desktop users - web app. We typically recommend Flutter for mobile because one codebase gives you both iOS and Android, cutting development time significantly while maintaining native performance. But we're framework agnostic - we pick what's best for your scope, budget, and timeline. Not what's easiest for us.

Development timelines vary by complexity. MVP app development typically takes 3-4 months, custom apps for established businesses take 4-6 months, and enterprise app development projects range from 6-9 months. We deliver projects 2x faster than traditional development whilst maintaining enterprise-grade quality and 99.99% uptime standards.

App development costs vary based on complexity and business requirements. MVP app development for startups typically ranges $80K-$150K, custom apps for established businesses cost $150K-$300K, and enterprise app development starts at $300K+. We provide transparent pricing with detailed scope documentation—no hidden fees. Our efficient development process delivers 40% cost savings compared to traditional app development companies whilst maintaining award-winning quality.

Yes. We specialise in iOS app development, Android app development, and cross-platform solutions. We offer native development for maximum performance (Swift for iOS, Kotlin for Android), cross-platform development using React Native and Flutter for cost-effective multi-platform launches, and hybrid approaches balancing functionality with budget. Our 52-person team ensures your app delivers premium experiences across all devices.

MVP (Minimum Viable Product) app development focuses on building a streamlined version of your app with core features only, enabling you to validate product-market fit quickly and cost-effectively. For pre-launch founders, MVP development typically takes 3-4 months and costs $80K-$150K, allowing you to test your concept with real users, gather feedback, and attract investors before committing to a full-scale build. We've helped dozens of startups successfully launch MVPs that later secured funding and scaled to full platforms.

Yes. We specialise in app redesign services, performance optimisation, and legacy app modernisation for businesses with underperforming platforms. Our app rescue process includes comprehensive technical audits, identifying performance bottlenecks and technical debt, architecture upgrades and code optimisation, UX/UI redesign for improved engagement, and complete platform rebuilds when necessary. We've rescued 15+ failing apps in the past three years, transforming them into high-performing, revenue-generating platforms.

Enterprise app development involves building large-scale mobile applications for organisations with complex requirements, including scalable architecture handling millions of users, enterprise security and compliance (HIPAA, SOC 2, GDPR), integration with existing enterprise systems, dedicated development teams, and ongoing support and maintenance. Enterprise projects typically range from $300K-$1M+ and take 9-18 months, requiring specialised expertise in security, scalability, and enterprise workflows. Our 52-person team has delivered enterprise solutions for organisations across healthcare, finance, and retail sectors.

We build custom apps across diverse industries, with specialised expertise in fitness and wellness (built SWEAT, $400M exit), healthcare and medical platforms, retail and eCommerce applications, fashion and lifestyle apps, education and learning platforms, and social and dating applications. Our industry-agnostic approach means we apply best practices from one sector to another, whilst understanding the unique regulatory, user experience, and technical requirements of each vertical. Explore our industry-specific app development services to see our work.

Both. Are you serious about building something that scales? We can work with you. Do you understand that investing now to make millions later is good business? We can work with you. Are you looking for the cheapest option? We're not your agency. Our client mix: 40% pre-launch founders, 30% platform rescue (fixing broken apps), 15% corporate projects, 10% SMB digital transformation. We built SWEAT when Kayla was posting PDF workouts. We work with platforms doing $50M+ annual revenue. Size doesn't matter. Ambition does.

Because we put our money where our mouth is. 99.99% uptime guarantee. 3-month warranty on all builds. 98.2% client satisfaction rate. 90% of our clients come from referrals. We've launched apps that hit #1 in App Store rankings multiple times. 30+ global awards including Apple Best of Developers. But here's the real proof: Tobi Pearce (SWEAT co-founder who sold for $400M) joined us as a shareholder and investor. You don't bet on a team unless they've already proven they can win. Check our track record.

Platform rescue is 30% of our business. We've taken over dozens of failing apps - unstable codebases, missing documentation, offshore teams that vanished mid-project. Train With Cass came to us with a disaster from another agency. We stabilised it, rebuilt it, and now it's thriving. Our approach: audit your tech stack, stabilise critical issues immediately, then systematically rebuild without disrupting your users. This is exactly why we offer 99.99% uptime guarantees and maintain 7+ year average partnerships. We're the team that's still answering your calls at 2am when something breaks.