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I will be your german android and ios mobile app developer for german app development
Lena S
5.0
5.0
About this gig
Your app idea shouldn't look like another copy-paste app; it deserves more than a half-finished prototype. As a German Android and iOS mobile app developer, I build modern, intuitive, and reliable mobile applications for startups, businesses, and entrepreneurs using Flutter, Firebase, API integration, AI features, payment systems, authentication, booking, maps, chat, and more, turning your concept into a real product built for real users.
My approach to app development combines clean UI, smooth UX, solid backend architecture, strong performance, and functionality that makes sense. With my experience in app development, I can take your app from idea and UI implementation through development, testing, optimization, and launch preparation. Whether you need a new Android and iOS app, a Flutter mobile app, an MVP, an app redesign, or a complex mobile application, I focus on creating a professional product that works smoothly and is ready to grow with your business.
If you're searching for a German Android and iOS mobile app developer, you've found the right place. My expertise in German mobile app development allows me to turn ambitious ideas into functional digital products.
Get to know Lena S
Lena S
Website and Mobile App Developer
- FromGermany
- Member sinceSep 2026
- Avg. response time1 hour
- Last delivery2 weeks
Languages
German, English
I’m Lena, a Website & Mobile App Developer helping start-ups, entrepreneurs, and businesses turn ideas into functional digital products. I specialize in custom website development, eCommerce, responsive design, Android & iOS apps, Flutter, Firebase, and API integrations. From building a product from scratch to improving an existing website or app, I focus on clean development, smooth performance, intuitive user experiences, and solutions that are easy to maintain. Have an idea, design, or unfinished project? Contact me and Let’s turn it into something that works.
FAQ
Do you only develop German apps, or can you build apps in English and other languages too?
German is a strong focus, but German app development is not a limitation. I also build English and multilingual Android and iOS mobile apps, with localization structured so additional languages can be added without rebuilding the entire application.
I have the idea, but I’m not sure what technology my app actually needs. Can you help?
That’s exactly where I can help. Instead of forcing your idea into a predefined stack, I look at the features, users, and business goals first, then recommend the right approach for your mobile app development, whether that means Flutter, Firebase, APIs, AI, or custom backend functionality.
Can you build something more complex than a basic business app?
Yes. I work on feature-rich Android app development and iOS app development, including marketplaces, booking platforms, social applications, AI-powered apps, dashboards, payment systems, location-based features, authentication, chat, and custom API integrations.
What if I already have an app but it feels slow, outdated, or unreliable?
You don’t necessarily need to start over. I can review the existing application, identify what is causing the problems, and handle app redesign, Flutter development, bug fixing, API optimization, performance improvements, and backend adjustments where needed.
Will you only deliver the screens, or can you handle the actual functionality too?
The goal is a working product, not a beautiful collection of screenshots. My German mobile app development service cover UI implementation, frontend development, backend integration, databases, APIs, authentication, payments, testing, optimization, and launch preparation for your Android and iOS app
Reviews
2 reviews for this Gig
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L liaherm
Germany
Ongoing collaborationLena hat wieder tolle Arbeit geleistet. Sie hat den gleichen Stil wie beim ersten beibehalten und jetzt fühlt sich alles einheitlich an. Sie hat auch ein paar Details bemerkt, an die ich nicht gedacht hatte, was ich wirklich zu schätzen wusste. Ich bin sehr zufrieden mit der Arbeit! Vielen Dank!
$50
Price
1 day
Duration
B 
Seller's Response
Helpful?L liaherm
Germany
Ongoing collaborationEhrlich gesagt bin ich wirklich sehr zufrieden damit, wie das geworden ist. Ich war mir nicht zu 100 % sicher, wie der Screen aussehen sollte, aber Lena hat verstanden, was ich meinte, und alles wirklich schön zusammengebracht. Die Kommunikation mit ihr war unkompliziert und sie hat sogar ein paar kleine...
$50
Price
1 day
Duration
B Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
L liaherm
Germany
Ongoing collaborationLena hat wieder tolle Arbeit geleistet. Sie hat den gleichen Stil wie beim ersten beibehalten und jetzt fühlt sich alles einheitlich an. Sie hat auch ein paar Details bemerkt, an die ich nicht gedacht hatte, was ich wirklich zu schätzen wusste. Ich bin sehr zufrieden mit der Arbeit! Vielen Dank!
$50
Price
1 day
Duration
B Seller's Response
Helpful?L liaherm
Germany
Ongoing collaborationEhrlich gesagt bin ich wirklich sehr zufrieden damit, wie das geworden ist. Ich war mir nicht zu 100 % sicher, wie der Screen aussehen sollte, aber Lena hat verstanden, was ich meinte, und alles wirklich schön zusammengebracht. Die Kommunikation mit ihr war unkompliziert und sie hat sogar ein paar kleine...
$50
Price
1 day
Duration
B Seller's Response
Helpful?
