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App Development in Berlin for mobile applications and websites – KNGURU

Are you looking for a dedicated app agency in Berlin that professionally supports you with the customized development and maintenance of your app project? With our extensive experience, we help companies of all sizes – from small startups to established corporations.

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Our Projects

Over 200+ design projects

300.000+
App Downloads for projects we have managed.
5.0
50+ Reviews

Not just developers, but true consultants for your app!

In over 7 years, we've learned what truly makes apps successful. That's why we don't just develop; we also support you with concept, design, and marketing – as a team by your side.

Team Vera image
Team Ivan image
50+
Designers

With our extensive experience, we help companies of all sizes – from small startups to established corporations. We understand the needs of the target audience and offer customized solutions that clearly stand out from other offerings.

Successful software development requires a holistic approach. Through close collaboration within our team, we ensure a seamless user experience – from conception to implementation. That's why we rely not only on app developers but also on our own designers and marketing professionals. We use modern technologies like Flutter to agilely develop cross-platform apps and handle regular maintenance to ensure your apps always remain up-to-date and performant.

This is what structured product design looks like in practice.

From the initial product idea to sophisticated interfaces and scalable systems – our projects demonstrate how thoughtful development and consistent design create real business value.

Our own startup
30,000+ users

The app for anyone who loves cars and motorsport!

DeepDays is the app for car events, community voting, and digital ticketing. From the initial idea to UX UI design and technical implementation, we developed the product entirely ourselves and quickly scaled it to over 30,000 users.

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A festival that lets you play along.

For the Glücksgefühle Festival, we developed an app that offers 200,000 visitors interactive experiences – from ticketing and gamification to live communication.

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UX/UI Design
Web App
Our Own Startup
10,000+ Users

Club Management for Leipzig's Night Owls

Clubkit is our white-label solution for smart ticketing. We built it to work like the best bouncer in town.

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clubkit logo
UX/UI Design
Mobile App
Web App

The platform for pet owners and pet professionals

With PetPlanner, pet owners can find suitable service providers nearby, book appointments online, and keep track of their pet's health data, appointments, and important information at all times.

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Recruiting Software on Autopilot

Recruiting is often chaotic and manual. With Funellab, we built a platform that automatically filters, organizes, and perfectly matches applicants.

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Web design
Artificial Intelligence

Energy that adapts to your life.

Clever-PV wanted more than just an app – they wanted to give households control over their energy. Our task: a UX and UI design that makes data clear, intuitive, and understandable. 

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Clever pv logo

Complex CAD workflows made simple & intuitive.

Mensch und Maschine stands for CAD and BIM software. We have developed an intuitive solution that simplifies complex processes and seamlessly connects teams.

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mensch und maschine logo
UX/UI Design
Product Refresh

Cook along with your favorite creators

Scoops connects food creators with their community in a new way. Influencers share their recipes directly in the app, and their followers can unlock them via a subscription, cook them, and become part of an active food community.

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From a UI dinosaur to a modern management hub.

Avviso manages parking violations and reminders – but its UX/UI still looked like Windows 98. We streamlined the user experience and brought the software into 2024.

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avviso logo
UX/UI Design
Product Refresh

Clearly manage thousands of vehicles

Smartmove needed a solution for efficient vehicle fleet management. We developed an intuitive interface with smart automations – understandable in just 10 seconds.

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UX/UI Design
Website Design
Web App

App Development in Berlin: From Design to Marketing

Developing a powerful app for your company doesn't have to be an opaque undertaking. Our proven process creates clarity – from the initial idea to go-live

01

Conception Phase

Concept development, user experience design, and prototype creation

Before we start app programming in Berlin, a well-thought-out concept is crucial. This ensures that your corporate identity and the target audience's requirements are incorporated into the development process. We actively involve you from the very beginning: Together, we analyze the best ideas, our UI/UX team handles the frontend design, and we create an MVP that you can thoroughly test and also make available to external testers.

free
02

Platform-Specific Development

App development in Berlin for Android and iOS

Once you are satisfied with the current status, we begin implementation. We guarantee that the application will function smoothly on all devices. You won't need to finance the development of multiple apps – we rely on proven frameworks for parallel development for iOS and Android, allowing you to focus your budget specifically on the most important aspects.

03

Robust Backend Architecture

Scalable and powerful backend solutions for your app

In addition to the app, you often need a backend. It's crucial to store and synchronize access data and other information to integrate them into your workflows. Thanks to our extensive expertise in software development, we also manage this area internally – our backend developers work closely with app developers in dedicated teams to prevent any coordination problems.

04

Targeted Marketing

First-class marketing for your native apps and web applications

Once the native apps are published in the Apple App Store and Google Play Store, the marketing phase begins. As an app development agency in Berlin, we actively support you here too. We handle web design and marketing, ensuring our team is always well-acquainted with your project and can present it optimally.

Louis Nell

CEO

Louis was never one to do things by halves. As a developer at the railway company, he programmed software that revolutionized the system – and was quickly scrapped precisely for that reason. Frustration turned into opportunity: he quit and founded KNGURU. Today, Louis and his team develop digital products that offer real value – and aren't hindered by corporate politics.

Team Louis image

Ivan Prosic

Lead designer

Four years ago, KNGURU was looking for a designer. Ivan responded on Reddit, participated in a design challenge despite a packed schedule – and prevailed. Today, he's our Lead Designer and, according to him, can even operate Figma in his sleep. He has a knack for pixels – and incredible patience for clients who "just want a quick tweak."

Team Ivan image

Vera Grosse

Project Manager

Vera came as an intern – and simply never left. Today, she juggles clients, projects, and designers simultaneously (and still finds time for a shisha). She's the only person on the team who voluntarily opens Excel spreadsheets – and even with enthusiasm. Plus, Vera can implement project plans faster than Ivan can swim (which he reluctantly admits).

Team Vera image

Strahinja Nikolic

Graphic and Product designer

Strahinja is not just a designer, but a true go-getter. He builds his own businesses on the side, thinks like a founder, and knows exactly how UX becomes not just beautiful, but profitable. With KNGURU for years, indispensable for years. Always by his side: his dog Bebba, our unofficial team mascot (no, that's not Bebba in the photo).

Team Strahinja image

+ more Kngurus, 
when you need them.

Lean or XXL? We scale with you. If your project needs more power, we bring in specialists. Developers, strategists, motion designers – all ready when you need them. Kngurus on demand!

Founders & Companies, who have entrusted us with their ideas & apps.

Good UX/UI design is not just about the outcome, but also about the collaboration that leads to it. Read here how our clients experienced their journey with us.

5.0
1200+ reviews
Davide Faga

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Planning an app project in Berlin? Get in touch with us for a no-obligation chat!

Wondering if we're the right fit for your project? Schedule a free consultation with us – your app developer in Berlin!
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Why is app development an important step for your project?

Developing mobile solutions empowers businesses to create innovative products that optimally support their objectives. Tailored approaches and cutting-edge technologies ensure projects are implemented efficiently and are future-proof.

What are the advantages of an in-house app agency?

A dedicated team of experts ensures your project is seamlessly managed. This approach fosters clear communication, rapid adjustments, and a long-term partnership that simplifies regular updates and future developments.

Why is React Native programming so popular?

This technology enables the development of cross-platform applications that run seamlessly across various devices. It streamlines the development process, delivering high performance and a consistent user experience.

How does an app agency differ from a freelancer?

An experienced team covers all project aspects, from concept to technical implementation. Unlike freelancers, a specialized agency provides comprehensive support and guarantees professional execution at every stage.

How do you ensure your app's success?

Experienced professionals prioritize user-centric design and robust technologies. Leveraging proven development processes and a clear focus on the target audience's needs, we create solutions that deliver lasting impact.

How much does your app cost?

The more features your app needs, the higher the costs will naturally be. Therefore, we always recommend developing the app as compactly as possible initially and expanding it incrementally later.

Start your estimate

Answer a few quick questions and get an estimate for your app's cost in under 2 minutes.

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1/6
What category would you place your app in?

To estimate an app's cost, the underlying idea is particularly crucial for defining its scope.

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2/6
How many different
screens does your app need?

The number of screens your app will include provides a good basis for estimating development costs.

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3/6
Can users register in your app?

User profiles and their interactions often account for a significant portion of the development effort

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Do you already have a design for your app?

The design is the blueprint for every app. If you don't have a design ready yet, we'd be happy to help you with that too.

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5/6
Do you need a dashboard?

With your own dashboard, you always have all your app's data in view and can also create and manage content yourself.

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6/6

Book your free initial consultation now.

Based on similar projects we've supported in the past, we estimate your project will fall within a price range of approximately 65.000€ to 85.000€

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Get a free initial consultation now.

65.000€ - 85.000€ 

Want to discuss the possibilities for your app with us?
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App Agency Berlin- Innovative App Development for all Platforms

progressive web apps

A Combination of Website and App

In app development in Berlin, we place great emphasis on tailored solutions. Our goal is to provide our clients with the best possible support so they can stand out from the competition – something we can only achieve with unique approaches.

Every process begins with thorough consultation. Together, we analyze competitor offerings and identify areas for improvement. Based on this, we develop creative solutions with strong USPs – combined with a design that delights even the most demanding users.

cross-platform apps

An App for All Devices

After the go-live, the real work often begins in our mobile app development in Berlin. The app requires regular updates, and it's important to respond to feedback from the app stores.

To ensure that new team members don't constantly need to be onboarded, not only our project managers are permanently employed, but also the entire development team. This way, developers can support your project long-term – and nothing gets lost.

Programming and App Development in Berlin: KNGURU - your specialist for custom apps

Tailored Digital Applications

In app development in Berlin, we place great emphasis on tailored solutions. Our goal is to provide our clients with the best possible support so they can stand out from the competition – something we can only achieve with unique approaches.

Every process begins with thorough consultation. Together, we analyze competitor offerings and identify areas for improvement. Based on this, we develop creative solutions with strong USPs – combined with a design that delights even the most demanding users.

Long-term Support and Further Development

After the go-live, the real work often begins in our mobile app development in Berlin. The app requires regular updates, and it's important to respond to feedback from the app stores.

To ensure that new team members don't constantly need to be onboarded, not only our project managers are permanently employed, but also the entire development team. This way, developers can support your project long-term – and nothing gets lost.

Digital Transformation as a Strategic Advantage

For the successful implementation of a digital project, it's crucial to have expertise not just in the core area. Otherwise, you would be forced to outsource many aspects to external partners who are not involved in the project in the same way.

As a full-service app agency, we offer a wide range of in-house expertise – whether it's backend and app development, marketing, or design. We bring all experts together under one roof so they can collaborate efficiently and pursue common goals.

Efficient App Development: The Technologies Behind Our Apps

Compelling Mockups with Figma

To ensure the mobile app meets its original goals, it's important to involve customers early in the development process. Clickable prototypes prove particularly useful in this regard.

We rely on Figma to create our prototypes – fast, cost-efficient, and intuitively testable. In the end, we export the design as HTML, which we use directly for further development, without detours or duplicate work.

React.js for boundless app development

Once you are satisfied with the prototype, we move into the implementation phase. We use solutions from the React ecosystem: React.js for comprehensive functionalities, Next.js for server-side rendering, and React Native for standalone cross-platform mobile apps. Working within a unified ecosystem ensures that the codebase does not need to be rewritten as requirements increase.

Reliable Backend with AWS and Firebase

The data generated by your app project after launch must be stored securely – ensuring the backend remains stable even with great success. To reduce the effort for managing your own servers, we use platforms like AWS and Firebase.

These offer sufficient capacity even during peak demand and largely handle backups and data security – so you can fully concentrate on further developing your app.

App development with React Native and cloud technologies.

We use state-of-the-art technologies in app development to ensure your app can withstand large user numbers.

Front-end
React Native
React
Next.JS
Back-end & Infrastructure
Firebase
Node.JS
Supabase
Railway
Integrations
RevenueCat
Stripe
Google APIs
Github
Design & Prototyping
Figma
FigJam
Illustrator
After Effects
AI Integrations
Gemini
Claude
ChatGPT

Your 30-minute meeting with real experts.

Whether it's an idea or an existing app – we'll tell you honestly where you stand. All of this is free, based on experience from over 100 projects and our own app with 30,000 users. Book your meeting now and get to know us!

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Planned budget
Legal matters
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The first step is complete!

We have received your inquiries and will get back to you as soon as possible with more details. All the best, your KNGURU Team!

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