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App development.From sketch to store.

We build apps that go beyond functionality: user-friendly, scalable, and designed to grow. From idea to evolution, we deliver apps that make an impact.

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For iOS and Android.Tailored to your needs.

At Forge, we build apps that fit your brand and your users. For iOS and Android, tailored to the experience you want to deliver.

We work with a range of technologies like Kotlin Multiplatform, Flutter and fully native. We always choose the approach that best fits your challenge, balancing speed, flexibility and performance.

The backend matters too. We connect apps to CRM systems, payment platforms, inventory and logistics. Integrations with external APIs such as maps, chat, analytics or identity providers are standard. Everything to streamline processes and keep your app future-ready.

Whether it’s a consumer app or an internal tool, we combine design and engineering into an experience that feels smooth and intuitive. With room for animations, interactions and details that elevate the experience.

One app.A thousand possibilities.

iOS

iOS

We develop native iOS apps with Swift. Always aligned with Apple’s guidelines and optimized for performance and usability.

Android

Android

From smartphones to tablets: our Android apps are built with Kotlin and seamlessly integrate with Google’s ecosystem.

Flutter

Flutter

With Flutter we create apps that use a single codebase while delivering the same smooth experience across all platforms. Efficient and consistent.

Kotlin Multiplatform

Kotlin Multiplatform

Kotlin Multiplatform enables code sharing between iOS and Android without sacrificing native look and feel. Flexible and scalable.

Our development services.
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Our development services.

We provide app development services from concept to release. Hire our developers for scalable apps, solid code and future-proof technology.

Get in touch

Clear steps.Strong results.

1

Scope

We define the goals, functionality, and technical requirements. Together, we determine what needs to be built and why.

2

Build

Based on the scope, we design and develop the app. Scalable, maintainable, and fully tailored to your needs.

3

Optimize

After launch we keep optimizing: monitoring app performance, improving speed and stability, and releasing iterative updates for the best user experience.

Your questions.Our answers.

How long does it take to develop an app?

The development time of an app depends on the desired features, chosen technology, and overall complexity. Some apps can be built quite quickly—for example, an MVP can be live within a few weeks. Larger apps with multiple integrations may take several months. The pace is strongly influenced by your requirements. Want an estimate for your idea? Get in touch and we’ll create a tailored timeline.

How much does it cost to develop an app?

The cost depends on the same factors as the duration: functionality, technology, and complexity. A simple app requires less investment than a platform with advanced features or integrations. We provide transparent estimates per phase, so you know what to expect upfront. Contact us to share your requirements and receive a clear cost overview.

What is a hybrid app?

A hybrid app technically runs in a type of ‘webview’ and often feels less native. Think of it as a website wrapped in an app shell. While this may seem quick and inexpensive, user experience and performance usually suffer. That’s why we generally don’t recommend hybrid solutions. Instead, we advise modern cross-platform technologies: one codebase for iOS and Android, with the speed and feel of a native app.

What is a cross-platform app?

A cross-platform app is developed from a single codebase and deployed to both iOS and Android. This saves time and makes maintenance more efficient. We build these using Flutter or Kotlin Multiplatform. The result: an app that looks great and feels native on both platforms—without double the effort.

How does maintenance and support work after launch?

Apple and Google regularly release updates, which can sometimes cause app features to break or require adjustments. For an experienced developer, these are often small fixes—but they do need to be done. That’s why we offer service level agreements (SLAs) tailored to the complexity of your app. This way, your app stays secure, stable, and up to date—without you having to worry about it.

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Get your project started.