Browse categories
Explore
Fiverr Pro
English
$
USD
I will specialize in building mobile app solutions with german precision
Jean App Dev
Top Rated
1 order in queue
5.0
5.0
People keep coming back! reach_heroes has an exceptional number of repeat buyers.
About this gig
Expert in Building Mobile App for Android & iOS German Precision, Global Quality
Looking for a reliable partner to turn your app idea into reality? Youre in the right place. I specialize in building mobile app solutions that are tailored to your needs, delivering top-tier applications for Android, iOS, or bothready for real-world success.
With years of experience in mobile app development, I focus on creating fast, user-friendly, and scalable apps that truly stand out.
What I Offer:
Android App Development
- Built with Java or Kotlin
- Smooth performance, modern design, and seamless user experience
- Optimized for Google Play Store
iOS App Development
- Developed using Swift or Objective-C
- Pixel-perfect UI and flawless UX
- Compliant with Apples strict standards
Cross-Platform App Development
- Built using Flutter or React Native
- One codebase, multiple platforms
- Cost-effective, consistent performance across devices
Whether you're starting from scratch or improving an existing project, I ensure clean code, strong communication, and reliable delivery.
Lets build something great togetherwith German precision and a focus on results that matter.
Message me today to get started!
Get to know Jean App Dev
Jean App Dev
German Mobile App Development, Web App Expert
Top Rated
- FromGermany
- Member sinceJun 2020
- Avg. response time4 hours
- Last delivery1 week
Languages
English, German
Hello, I’m Jean — a German mobile app developer with 7+ years of experience in mobile app development and web-based SaaS platforms. I build Flutter apps, Supabase backends, and AI-driven solutions that meet European quality standards. As a CTO-level freelancer, I help startups and agencies launch MVPs, automate workflows, and scale securely.
Based in Germany, I deliver modern, high-performance apps from concept to store-ready release.
My Portfolio
FAQ
1. What do I need to get started with building mobile app?
To begin, I’ll need a clear idea of your app concept. This includes the target audience, main features, platform (Android, iOS, or both), and any design references you have. Don’t worry—I’ll guide you through the full process of building your mobile app.
2. Do you offer both Android and iOS mobile app building?
Yes! I offer building mobile app for both Android and iOS platforms. You can choose one or go cross-platform depending on your budget, timeline, and user base.
3. How long does the mobile app building process take?
The time to build a mobile app depends on complexity, features, and platform. Simple apps may take 2–3 weeks, while more complex solutions can take 4–8 weeks. I’ll give you a clear timeline once I understand your needs.
4. Can you update or improve my existing app?
Absolutely. Whether it's fixing bugs, redesigning the UI, or adding new features, I provide app development support for existing apps as well.
5. Do you also provide backend services for the app?
Yes, I can integrate backend services like user authentication, databases, and APIs. If needed, I can also advise on cloud solutions to support your app development project from start to finish.
6. What makes your app development service different?
I combine technical expertise with German precision to ensure clean code, reliable performance, and timely delivery. My app development service focuses on long-term success, not just short-term fixes.
Reviews
14 reviews for this Gig
| (14) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S schportling
Repeat Client
Germany
Wie immer zufrieden! 🙏
$1,000-$1,500
Price
2 days
Duration
Helpful?B 
bettyk16
Repeat Client
Germany
Dear Jean, I am grateful beyond words for the extremely professional job, for your exceptional expertise, helpfulness and very fast work! I am absolutely thrilled by the result and cannot wait to work together on the future updates of the app. 😊😊🙏 Everything exceeded my expectations and went amazingly...
$3,000-$4,000
Price
4 months
Duration
Helpful?M moritzkmuc
Repeat Client
Germany
Ich bin mega zufrieden! Mit dem Ergebnis und besonders mit dem Weg dort hin! Jean war interessiert, engagiert und nie genervt von meiner Ahnungslosigkeit bei IT-Angelegenheiten. Ich wende mich immer wieder an Jean!
$200-$400
Price
3 weeks
Duration
Helpful?C closeracademy
Repeat Client
Germany
High Professional work. Very good & fast communication. Always quick in time and delivers working solutions. Much better then other developers I worked with before on fivver. Highly recommended!
$200-$400
Price
4 days
Duration
Helpful?A andre_foerster
Repeat Client
Germany
Perfect collaboration, fast delivery, fast feedback. Everytime again. Next projects planned.
$3,000-$4,000
Price
2 months
Duration
Helpful?
Reviews
14 reviews for this Gig
| (14) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S schportling
Repeat Client
Germany
Wie immer zufrieden! 🙏
$1,000-$1,500
Price
2 days
Duration
Helpful?B bettyk16
Repeat Client
Germany
Dear Jean, I am grateful beyond words for the extremely professional job, for your exceptional expertise, helpfulness and very fast work! I am absolutely thrilled by the result and cannot wait to work together on the future updates of the app. 😊😊🙏 Everything exceeded my expectations and went amazingly...
$3,000-$4,000
Price
4 months
Duration
Helpful?M moritzkmuc
Repeat Client
Germany
Ich bin mega zufrieden! Mit dem Ergebnis und besonders mit dem Weg dort hin! Jean war interessiert, engagiert und nie genervt von meiner Ahnungslosigkeit bei IT-Angelegenheiten. Ich wende mich immer wieder an Jean!
$200-$400
Price
3 weeks
Duration
Helpful?C closeracademy
Repeat Client
Germany
High Professional work. Very good & fast communication. Always quick in time and delivers working solutions. Much better then other developers I worked with before on fivver. Highly recommended!
$200-$400
Price
4 days
Duration
Helpful?A andre_foerster
Repeat Client
Germany
Perfect collaboration, fast delivery, fast feedback. Everytime again. Next projects planned.
$3,000-$4,000
Price
2 months
Duration
Helpful?
