iOS app development for iPhone & iPad
From the first idea through UI/UX and development to the App Store launch, we support your iOS app end-to-end.
Native with Swift and SwiftUI or cross-platform with Flutter: together we choose the approach that fits your product – for apps that feel 100% Apple.
Why iOS development?
The App Store is the highest-grossing market for mobile apps – and iOS users expect quality. We build iPhone and iPad apps that live up to that expectation.
Premium user experience: Swift and SwiftUI deliver smooth animations, short loading times and an interface that feels exactly like Apple.
High-value audience: on average, iOS users spend significantly more on apps and in-app purchases – ideal for premium and subscription models.
Security & privacy: Keychain, Face ID and strict sandboxing – essential wherever sensitive data is processed, for example in health and MedTech.
Proven in production: from PAGOPACE to the e-prescription integration to Piening Connect – our apps are used by tens of thousands of iOS users every day.
Our iOS services
From concept to operation: we cover the complete lifecycle of your iOS app – or strengthen your existing team with our expertise.
iOS app development
API & backend integration
UI/UX the Apple way
iPad, Apple Watch & widgets
Testing & App Store launch
iOS consulting & team extension
The advantages of native iOS apps
iOS stands for quality, security and an exceptionally loyal user base. These four advantages make the case for the Apple platform:
Premium user experience
Native iOS apps are fast, smooth and feel exactly the way Apple users expect. That pays directly into ratings, retention and conversion.
High-value audience
On average, iOS users spend significantly more on apps, subscriptions and in-app purchases than on other platforms – ideal for premium products.
Security & privacy
Face ID, Keychain and a strict sandboxing model protect sensitive data – the foundation of trust, especially in regulated markets.
Deep system integration
Siri, widgets, HealthKit, NFC and CarPlay: we use Apple's frameworks so your app can do more than live on its own island.
Native with Swift or the same quality in less time with cross-platform Flutter app development?
In a free initial consultation we will assess together which approach is right for your project – technologically and economically.
Success stories
with measurable results
GUTEFRAGE.NET / HIGHFIVVE
Anyone looking for an app development agency will be delighted with Johnny Bytes. We held a workshop with gutefrage.net on the topic of apps and app SDKs and had a very in-depth and detailed exchange. The knowledge and experience that Johnny Bytes brings to the table is remarkable.
Nepomuk Seiler
JUST HEALTH GMBH
Johnny Bytes was a complete game-changer for our digital health app. Their expertise is outstanding; they got up to speed in record time and drove our development forward with decisive technical insights. We absolutely recommend them for any complex app project.
Maximilian Roederstein
EMPOWER GMBH
In the development of our software suite, we faced complex challenges. Johnny Bytes provided more than just strategic advice; they actively supported our development process and were decisive in its successful execution.
Stephan Kuhnert
APOTHEKE LUX 99
We wanted more than just an off-the-shelf e-prescription app; we needed a solution perfectly tailored to our pharmacy's specific workflows. Johnny Bytes' expertise in digital health was clear as they understood and executed our vision in perfect detail. The result is our very own app, which is a tremendous asset for both our customers and our team. For anyone seeking a truly custom solution, you've come to the right place.
Tobias Loder
READFY
With Readfy, up to half a million users regularly read over 130,000 ebooks for free. Johnny Bytes took over the apps for iOS and Android from our previous nearshore partner and not only brought them and the backend up to date in a very short time, but also ensured that in-app sales increased by 500%.
Philipp Ortmaier
PAGOPACE
We were already able to offer our customers good hardware with our payment ring. However, Johnny Bytes helped us to build the perfect complementary software to take our product to the next level. We were kept up to date at every stage of the app development and were able to make requests immediately. With the new app, we can also sell our rings in retail stores, as customers can link their rings directly to their payment card on their cell phone.
Steffen Kirilmaz
FIRST AVENUE
Johnny Bytes has taken over the development and support of our guest information system TIPPTHEK and migrated it to a modern and sustainable architecture in a very short time. This allows us to install TIPPTHEK in thousands of South Tyrolean accommodations and provide up to 35,000 tourists a day with personalized information about their accommodation and the surrounding area.
Michael Hölzl
STAZZLE
An agile team for whom customer satisfaction is just as important as quality, the Johnny Bytes team understands communication and requirements, asks the right questions, has a sense of humor and adheres perfectly to schedules. A strong partner that we recommend without reservation. Thank you for your support!
Tasso Mitsarakis
KOOPERATIONEN MIT HOCHSCHULEN
Together with Johnny Bytes, FH Aachen regularly conducts practice-oriented research projects as part of the Digital Lab. Most recently, prototypes for Alexa skills and AI-supported tourism solutions were created in this context. These projects are always an enrichment for our students, the university and the company.
Prof. Dr. Mathias Eggert
Start your app project
with Johnny Bytes
Discuss your app idea in a non-binding and free strategy meeting.
Get clarity on feasibility, costs, and timeframe - and start your project with experts.
