
Mobile App Projects.
Delivered 60% faster.
Empowered by AI.
We build native and cross-platform apps with Swift/SwiftUI, Kotlin/Jetpack Compose, React Native and Flutter. From idea to App Store - AI-accelerated workflows save 40-60% development time.
Trusted by leading companies
What we build in mobile for you
Concrete use cases for your next app project
Maximum performance in the Apple ecosystem
Swift and SwiftUI for iPhone, iPad, Apple Watch and Vision Pro. We use the latest Apple APIs: WidgetKit, App Intents, StoreKit 2, HealthKit and ARKit.
The team behind your project

Logic Joe is a dedicated team of experienced mobile and full-stack developers. You always have a dedicated contact person - from technology consulting to App Store launch and beyond.
Dedicated core team
Senior engineers, architects and consultants with 10-15+ years of experience in iOS, Android and cross-platform projects.
Clients in DACH
We serve companies in Germany, Austria and Switzerland - in German, personally.
4 locations
Hamburg · Stuttgart · Reutlingen · Salzburg
Your mobile partner for today and tomorrow
Whether iOS, Android or both at once - with the right technology and our AI-powered workflows we deliver measurably faster. Mobile apps are the most direct channel to your users: push notifications, offline access and native performance that no website can match.
- The right technology for your use case - not guesswork
- MVP in the App Store in 8-12 weeks
- Native performance even with React Native and Flutter
- Backend APIs with offline-first and push notifications
- App Store launch, ASO and ongoing operations from one team
We use AI every day in our own development. That is why we know where it works - and where it does not. Learn more about our AI approach
How we support you
From app strategy to the app store - full-stack mobile development from a single source
iOS Native Development
Swift and SwiftUI for iPhone, iPad, Apple Watch and Vision Pro. Latest Apple APIs with AI-powered code scaffolding.
Android Native Development
Kotlin and Jetpack Compose for the entire Android ecosystem. Material Design 3, Room DB, WorkManager and AI-accelerated UI development.
React Native Apps
Cross-platform with JavaScript/TypeScript and the React ecosystem. Expo or bare workflow, native modules where needed, OTA updates for fast iteration.
Flutter Apps
Dart and Flutter for pixel-perfect UIs on iOS, Android, web and desktop from a single codebase. Custom widgets and 60fps animations.
Backend & API Integration
REST, GraphQL, Firebase, Supabase or custom backend. Push notifications, real-time sync, offline-first and cloud functions included.
App Store Optimization
From submission to ranking: App Store and Google Play optimization, A/B testing, review management and analytics setup.
Ready for Your Mobile App?
Speak directly with our team - we'll get back to you within 24 hours.

Torsten Godzisz
Director Technology
In a free 30-minute call, we analyze your requirements and show you how the right mobile technology + AI can accelerate your project.
Request Mobile App
Briefly describe your project - we'll provide an initial assessment.
Near you
4 locations in the DACH region for personal support
Frequently asked questions about mobile app technologies
Everything you need to know about iOS, Android, React Native and Flutter