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I will develop german android and ios app using kotlin, swift, java, jatpack compose
Toni K
About this gig
Special discount for women entrepreneurs & creators message me before ordering to claim it!
Tired of apps that look beautiful but crash, feel slow, or get rejected by the App Store and Google Play?
Most people dont realize that a true native app (built the right way) is what actually gets downloads, keeps users, and makes your business look serious.
I build high-performance native Android and iOS apps using Kotlin, Swift, Java, and Jetpack Compose the exact stack Google and Apple recommend in 2026.
Heres how I work with you:
- We clarify your idea and goals together
- I design a clean, modern UI that users love
- I deliver store-ready builds + full source code
Services I offer:
- Native Android app development (Kotlin + Jetpack Compose)
- Native iOS app development (Swift + SwiftUI)
- Custom UI/UX that feels premium
- Firebase, REST API & third-party integrations
- Push notifications, payments & authentication
- Bug fixing, performance optimization & updates
Whether you need a simple MVP or a full business app, I focus on clean code, smooth performance, and real results not shortcuts.
Order now or Message me with your idea. Lets turn it into an app youre proud to launch.
Get to know Toni K
Toni K
Flutter Developer, Android and iOS Apps
- FromGermany
- Member sinceJul 2026
Languages
English, German, French
I build high-quality cross-platform mobile apps for Android & iOS using Flutter and Expo (React Native).
From idea to App Store & Play Store, I create clean, fast, and scalable apps with modern UI, Firebase/API integration, and smooth performance.
Whether you need a new app from scratch, bug fixes, or features added, I deliver reliable code and clear communication.
Message me with your idea and let’s bring it to life!
FAQ
What technologies do you use?
Android: Kotlin, Jetpack Compose, Java iOS: Swift, SwiftUI Also Firebase, REST APIs, push notifications, payments, and clean architecture (MVVM).
Can you work with my existing design (Figma, XD, etc.)?
Absolutely. I can implement your designs pixel-perfect or create a clean modern UI if you don’t have one yet.
What information do you need to start?
A clear description of your idea, main features, preferred platform(s), and any designs or references you have.
Do you help with App Store and Google Play submission?
Yes. I prepare the builds and guide you through submission. You need your own developer accounts.
Will I get the full source code?
Yes. You receive the complete source code for every package.
Do you develop for both Android and iOS?
Yes. I build native Android apps with Kotlin + Jetpack Compose and native iOS apps with Swift. You can order one platform or both.
