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I will be your german android and ios mobile app developer for app development
Jean App Dev
Top Rated
1 order in queue
5.0
5.0
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!
mirivankniri
Germany
Ich bin sehr zufrieden mit der Zusammenarbeit! Jean hat alle Änderungswünsche zuverlässig und geduldig umgesetzt - auch bei kleineren Details war er sehr genau...
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!
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, Web App Expert
Top Rated
- FromGermany
- Member sinceJun 2020
- Avg. response time4 hours
- Last delivery3 days
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
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
111 reviews for this Gig
| (109) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Y yildizcagatay
Repeat Client
Germany
We have been working on a project for over a month and it has been nothing but a pleasure to work with him: bug-free, on-time delivery; really understandable code that meets our needs; agile iterations to make the project go fast. It's been great!
$400-$600
Price
1 day
Duration
Helpful?Y 
yourcamsound
Repeat Client
Germany
I 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...
$2,000-$3,000
Price
3 weeks
Duration
Helpful?Y yildizcagatay
Repeat Client
Germany
Jean's done strong work again on our second project. As before, he communicates clearly, understands what we need, and takes real initiative - like when he independently set up testing across multiple devices without being asked. Everything came in on time.
$400-$600
Price
3 days
Duration
Helpful?Y yildizcagatay
Repeat Client
Germany
I was a great experience working with him again! He continues to deliver fantastic code, right on time. Thanks a lot, Jean!
$400-$600
Price
1 day
Duration
Helpful?B benjo12
Germany
It was really great to have tackled this project with Jean. Not only does he bring a deep understanding for the topic, but he also instinctively gets to grips with the processes, offers constructive criticism and suggests solutions. Many changes and requests were taken on board, and the end result is...
$1,000-$1,500
Price
13 days
Duration
Helpful?
Reviews
111 reviews for this Gig
| (109) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Y yildizcagatay
Repeat Client
Germany
We have been working on a project for over a month and it has been nothing but a pleasure to work with him: bug-free, on-time delivery; really understandable code that meets our needs; agile iterations to make the project go fast. It's been great!
$400-$600
Price
1 day
Duration
Helpful?Y yourcamsound
Repeat Client
Germany
I 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...
$2,000-$3,000
Price
3 weeks
Duration
Helpful?Y yildizcagatay
Repeat Client
Germany
Jean's done strong work again on our second project. As before, he communicates clearly, understands what we need, and takes real initiative - like when he independently set up testing across multiple devices without being asked. Everything came in on time.
$400-$600
Price
3 days
Duration
Helpful?Y yildizcagatay
Repeat Client
Germany
I was a great experience working with him again! He continues to deliver fantastic code, right on time. Thanks a lot, Jean!
$400-$600
Price
1 day
Duration
Helpful?B benjo12
Germany
It was really great to have tackled this project with Jean. Not only does he bring a deep understanding for the topic, but he also instinctively gets to grips with the processes, offers constructive criticism and suggests solutions. Many changes and requests were taken on board, and the end result is...
$1,000-$1,500
Price
13 days
Duration
Helpful?
