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I will be your german android and ios mobile app developer for app development
Jean App Dev
Top Rated
3 orders in queue
5.0
5.0
Gig Summary
What people loved about this freelancer
bettyk16
Germany
Amazing experience to work with Jean as always! He went above and beyond with the app update and did a lot of extra work, was super accommodating, and made...
vapormarkt
Austria
Ausgezeichnete und professionelle Kommunikation Antwortzeiten sind IMMER sehr schnell und auf den Punkt. Sehr direkt und ehrlich. Solche Unternehmen findet man leider heutzutage selten. Vielen Dank für alles!
i_3daz_group
Germany
Ausgezeichnete Low-Fidelity-Wireframes: Jean zeigte höchste Professionalität und ein tiefes Verständnis unserer Anforderungen. Die Nutzerflüsse (Dashboard,...
rloerper
Germany
Kudos to Jean and team for their excellent work! The clear milestone structure ensures a smooth and flexible development process, allowing for continuous refinement. Great job, and thank you, Jean!
elisa_chri
Austria
Die Zusammenarbeit mit Jean war wirklich sehr angenehm und professionell. Die Kommunikation funktioniert hervorragend. Er ist sehr freundlich, zuverlässig und...
About this gig
Expert App Developer for Android & iOS
Elevate your digital presence with German-precision mobile app development for Android and iOS. I bring innovative mobile app development to life, transforming ideas into dynamic digital solutions.
Android Development:
- Proficient in Java and Kotlin.
- Focus on intuitive UI, smooth navigation, and optimal performance.
iOS Mobile App Development:
- Skilled in Swift and Objective-C.
- Commitment to aesthetic design, functionality, and Apple's standards.
Cross-Platform Mobile App Development:
- Use React Native or Flutter for time and cost-efficient, consistent cross-device experiences.
Integration & Backend
Expert in mobile app development with a strong focus on API integration, third-party service integration, and scalable database management. I build robust backends to ensure your app runs smoothly and efficiently.
My approach combines personalized service, transparent communication, and an unwavering commitment to excellence.
Ready to turn your vision into a powerful app? Lets connect and bring your mobile app development project to life!
Get to know Jean App Dev
Jean App Dev
German Mobile App Development, Website Expert
Top Rated
- FromGermany
- Member sinceJun 2020
- Avg. response time1 hour
- Last deliveryabout 22 hours
Languages
English, German
Hello, I’m Jean — a German mobile app developer with 7+ years of experience in mobile app development, website development, Flutter apps, Supabase backnds, and SaaS platforms. I help startups and agencies turn ideas into secure, scalable MVPs and store-ready digital products. My work covers app architecture, UI/UX planning, API integrations, authentication, subscriptions, admin dashboards, automation, and AI-driven features. As a CTO-level freelancer, I focus on clean code, reliable performance, and European quality standards from concept to launch and post-launch support.
My Portfolio
FAQ
For which platform I will get an app?
You will get an app for both iOS and Android.
What do you need from me to start the app development?
1- A complete written description of the app
From how much I can get app and play store accounts?
Apple app developer account (99$/year) Google Play developer account ( 25$ one-time payment)
Will you publish the app on apple and android stores?
Yes, you will provide us with the app and play store developer accounts and we will publish it there for you, we will create all the resources and screenshots for your app too.
What is a ball-park quote for an app?
Each app has its own features, complexity, and required time to complete so app development can start from 100 USD to $1, 00,000 USD or more entirely depending on the required functionalities. To get your ballpark cost you can drop message on our gig & we will provide an estimated price for the app.
Reviews
128 reviews for this Gig
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| (2) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Y 
yourcamsound
Germany
Ongoing collaborationI can highly recommend Jean as a programmer without any hesitation! The collaboration went perfectly from start to finish — everything was handled in a very professional manner, delivered reliably, and always on time. I’d especially like to highlight how friendly and pleasant the communication was. Jean...
$1,000-$2,500
Price
3 weeks
Duration
Helpful?J 
jesko_web
Germany
Ongoing collaborationWir sind immer sehr zufrieden mit Jean, da ihm auch immer wichtig ist jedes Projekt sehr gut abzuschließen.
$400-$600
Price
1 day
Duration
Helpful?M 
mathias_aux
Germany
Ongoing collaborationWie jedesmal alles Perfekt und sauber
$1,000-$2,500
Price
1 day
Duration
Helpful?C cathara_officia
Germany
Ongoing collaborationAlles top!
$1,000-$2,500
Price
9 days
Duration
Helpful?L leutschacher
Germany
Ongoing collaborationWenn Kompetenz auf Sympathie und Engagement trifft :-) Die erste Erfahrung mit Jean war durchweg positiv und ich freue mich schon auf die weitere Zusammenarbeit!
$1,000-$2,500
Price
3 days
Duration
Helpful?
Reviews
128 reviews for this Gig
| (126) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Y yourcamsound
Germany
Ongoing collaborationI can highly recommend Jean as a programmer without any hesitation! The collaboration went perfectly from start to finish — everything was handled in a very professional manner, delivered reliably, and always on time. I’d especially like to highlight how friendly and pleasant the communication was. Jean...
$1,000-$2,500
Price
3 weeks
Duration
Helpful?J jesko_web
Germany
Ongoing collaborationWir sind immer sehr zufrieden mit Jean, da ihm auch immer wichtig ist jedes Projekt sehr gut abzuschließen.
$400-$600
Price
1 day
Duration
Helpful?M mathias_aux
Germany
Ongoing collaborationWie jedesmal alles Perfekt und sauber
$1,000-$2,500
Price
1 day
Duration
Helpful?C cathara_officia
Germany
Ongoing collaborationAlles top!
$1,000-$2,500
Price
9 days
Duration
Helpful?L leutschacher
Germany
Ongoing collaborationWenn Kompetenz auf Sympathie und Engagement trifft :-) Die erste Erfahrung mit Jean war durchweg positiv und ich freue mich schon auf die weitere Zusammenarbeit!
$1,000-$2,500
Price
3 days
Duration
Helpful?
