Launch on iOS & Android From One Codebase

Building one cross-platform app costs 30% to 40% less than building two separate native apps. A basic MVP costs between $25,000 and $80,000. Apps with custom backends and advanced features usually cost between $80,000 and $150,000. InvoZone keeps costs low by matching elite development talent with your exact US timezone. We map every dollar spent directly to clear project milestones, ensuring you get enterprise-grade software without the typical US agency markup.

You own 100% of the code and designs. As soon as project milestones are paid for, all legal rights to your Git code repositories, Figma layouts, cloud keys, and documentation transfer entirely to your business. We write this clear ownership rule directly into our contract before any work begins. This means your software remains a completely clean, independent business asset that adds real financial value to your company's valuation.

Yes. Modern frameworks compile directly into native machine code or talk directly to the phone's operating system. Unless your app requires heavy 3D gaming engines or complex digital signal processing, your users will experience smooth, native-grade performance with zero slowdowns. Our engineers optimize rendering pipelines and memory usage to guarantee your application maintains fluid, 60 FPS scrolling speeds even on older smartphone models.

A standard MVP with core features usually takes 10 to 16 weeks to design, build, and launch. Large platforms with complex backend systems, multiple user types, or ERP integrations generally take 18 to 28 weeks. Your timeline stays highly predictable because we map out all technical details before coding starts. We use agile sprint cycles and give you access to live builds every two weeks, so you can track our exact progress toward your launch date.

We do not use unreliable computer simulators to test your app. Instead, we run your software through manual and automated tests on a real hardware matrix of over 50 physical iOS and Android smartphones. This lets us find and fix real-world layout bugs, battery drain, and crashes before your users see them. Testing on actual hardware from Samsung, Apple, and Google means your app is fully optimized for real-world network switches, low battery states, and background interruptions.

Yes, we frequently take over existing mobile apps. Our team starts with a full technical audit of your current code to check its security, stability, and structure. We then give you a transparent, honest report showing exactly what parts are solid and what parts need fixes before we build new features. This rescue service stops you from having to throw away your existing investment. We help you fix hidden performance bottlenecks and resume fast development safely.

Phone operating systems update every year, which can sometimes break older app features. We offer monthly maintenance plans to monitor your live app. We handle framework upgrades, fix third-party plugin issues, update app store compliance rules, and push patches so your app stays secure and crash-free. Our proactive engineering team handles these mandatory upgrades quietly in the background. No need to worry as we ensure your users never experience a sudden day-one crash after an OS release.

We build primarily with Flutter (using Dart) and React Native (using TypeScript and JavaScript). For databases, we use SQLite, Realm, or secure local storage. For backend systems, we build REST or GraphQL APIs supported by cloud services on AWS, Google Cloud, Firebase, Node.js, or Python. We select these specific tools based on your current web infrastructure, making sure your mobile app connects perfectly with your existing databases and backend business logic.