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$
USD
I will do mobile app development, android ios app development, flutter app developer
Fritz S
About this gig
Are you looking for a professional mobile app developer to build a modern Android or iOS app for your business?
I'm Fritz, a mobile app developer focused on building reliable, user-friendly and high-performance applications using Flutter. I can turn your idea, design or existing app into a functional mobile solution.
What I Can Build:
- E-commerce & Marketplace Apps
- Food Delivery & Restaurant Apps
- Booking & Appointment Apps
- Taxi & Delivery Apps
- Social & Community Apps
- Education & E-learning Apps
- Real Estate & Property Apps
- Fitness & Healthcare Apps
- Finance & Payment Apps
- SaaS & Business Apps
- AI Apps & Chatbots
What I Offer:
- Custom Android & iOS App Development
- Flutter & Cross-Platform Development
- Modern UI/UX Implementation
- API & Backend Integration
- Firebase & Database Integration
- Payment Gateway Integration
- Maps & Location Features
- Push Notifications & Real-Time Features
- AI & Third-Party API Integration
- Bug Fixing & App Optimization
- Feature Updates & App Maintenance
- App Deployment & Support
Why Choose Me?
- Clear Communication
- Clean Development
- Reliable Support
- Solution-Focused Approach
Send me your requirements and let's discuss the right solution for your project!
Get to know Fritz S
Fritz S
Professional German Software and Web Developer
- FromGermany
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English, German, Dutch, Spanish
I’m Fritz Simon, a full-stack developer and mobile app specialist focused on Android, iOS, Flutter, React Native, Django, and React applications. I develop mobile apps, AI apps, REST API integrations, dashboards, authentication, databases, and custom web applications. I also help developers with Google Play closed testing using real Android testers and organized testing support. My approach is simple: clear communication, clean development, reliable testing, and solutions based on your requirements. Have a project in mind? Send me your requirements and let’s discuss it.
FAQ
What type of mobile apps can you develop?
I can develop e-commerce, marketplace, delivery, booking, social, education, healthcare, fitness, real estate, finance, SaaS, business, AI-powered apps, and custom mobile applications for Android and iOS.
Can you build both Android and iOS apps?
Yes. I use Flutter for cross-platform mobile app development, allowing me to build applications for both Android and iOS from a single codebase.
Can you integrate APIs, payments, Firebase, or other services?
Yes. I can integrate APIs, Firebase, databases, payment gateways, maps and location services, push notifications, AI services, authentication, and other third-party services based on your requirements.
Can you fix or improve an existing mobile app?
Yes. I can help with bug fixing, performance improvements, UI updates, new features, API integration, maintenance, and other improvements to an existing Android, iOS, or Flutter app.
What do you need from me to start my app?
Send me your app idea, requirements, preferred features, designs or references if available. If you already have an existing app, you can also share the current project details so I can understand what needs to be done.
