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App Development in Hamburg for the development of mobile applications and websites – KNGURU

Are you looking for an experienced app agency in Hamburg that innovatively and professionally implements your idea? We develop iOS and Android apps with expertise and passion – from the initial concept to a successful launch.

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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 many years of experience, we support companies of all sizes – from aspiring startups to established businesses in Hamburg. Every process begins with a detailed consultation: Together, we analyze competitor offerings, identify areas for improvement, and develop creative solutions with compelling USPs.

Successful implementation of a digital project requires expertise in all areas. As a full-service app agency, we offer all competencies in-house – whether backend development, marketing, or design. All our experts work under one roof to collaborate efficiently and achieve common goals.

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 Hamburg: From Design to Marketing

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

01

Conception Phase

Concept Development, User Experience Design, and Prototype Creation

Before we begin app development in Hamburg, we place great importance on a well-thought-out concept. This ensures that your brand identity and the needs of your target audience are integrated into the development process. We actively involve you from the very beginning: Together, we evaluate the best ideas, while our UI/UX team designs the frontend. The result is an MVP that you can thoroughly test and also make available to external testers.

free
02

Platform-Specific Development

App development in Hamburg for Android and iOS

Once you are satisfied with the current status, we begin implementation. We ensure that the application functions smoothly on all devices to appeal to a broad user base. Using proven frameworks and technologies, we enable parallel development for iOS and Android – you don't have to finance the development of multiple apps and can focus your budget specifically on the most important aspects.

03

Robust Backend Architecture

Scalable and high-performance backend solutions for your app

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

04

Targeted Marketing

Premium marketing for your native apps and web applications

Once the apps are published in the Apple App Store and Google Play Store, the marketing phase begins. We handle web design and marketing, ensuring our team is always thoroughly familiar with your project and can present it optimally – for a strong launch and sustainable growth in Hamburg.

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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Are you planning an app project in Hamburg? Talk to us now without obligation!

Are you wondering if we are the right choice for your project? Schedule a free consultation with us – your app developer in Hamburg!
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What distinguishes app development in Hamburg?


This creative and technically sound approach makes it possible to create mobile applications precisely tailored to business goals. Innovative ideas and a focus on quality guarantee sustainable success.

Why choose a web agency for app development?

An experienced web agency offers comprehensive services – from conception and technical implementation to marketing. Clients benefit from an experienced team that manages all aspects of the project.

What are the advantages of developing Android apps in Hamburg?

The targeted creation of applications enables companies to reach a broad user base. By using modern technologies, it is ensured that the solutions are both stable and user-friendly.

What do web designers contribute to app development?

In close collaboration with developers, web designers create interfaces that are intuitive to use and visually appealing. The design is individually tailored to the company's brand identity to ensure an optimal user experience.

Why is professional app development important?

A meticulous and future-oriented approach ensures that mobile applications remain high-performing and stable in the long term. Regular updates and support guarantee that the app always meets current requirements.

What does your app cost?

The more features your app is intended to have, the higher the costs will naturally be. Therefore, we always recommend developing the app as compactly as possible first and then 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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4/6
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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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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Next step

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 Hamburg - Innovative App Development for All Platforms

progressive web apps

A Combination of Website and App

A cost-effective solution for simpler projects is the Progressive Web App (PWA). These apps are based on traditional web applications and use special JavaScript functions to be available offline – launchable like a conventional app via a shortcut.

PWAs cannot be published in app stores and often do not achieve the design and user experience of a native app. However, they cover all platforms simultaneously, can be developed cost-effectively from existing websites, and function on PCs like regular websites. For Hamburg-based companies that want to provide their customers with a dashboard or an ordering platform, a PWA is often sufficient. If the need grows, the codebase can be converted into a full-fledged hybrid app.

cross-platform apps

One App for All Devices

If your app should offer the experience of a native application without you having to invest in each platform individually, cross-platform apps are the perfect solution. They make it possible to serve all mobile operating systems with just one codebase.

Our agency relies on this approach and generally does not use native single solutions. Thanks to modern frameworks like React Native, cross-platform apps do not have to hide behind native counterparts in terms of design, performance, and functionality.

Programming and App Development in Hamburg: KNGURU - Your Specialist for Custom Apps

Tailored Digital Applications

For mobile app development in Hamburg, we focus on tailored solutions. Our goal is to provide our clients with the best possible support so they can stand out from the competition – and that can only be achieved with unique approaches.

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

Long-term Support and Further Development

The real work often begins after the go-live. The app requires regular updates, and it's crucial 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 but also our entire development team are permanently employed. This way, developers can support your project long-term – and everything stays on track.

Digital Transformation as a Strategic Advantage

A successful implementation of a digital project requires expertise in all core areas. Otherwise, many aspects would have to be outsourced to external partners who are not as closely integrated into the project.

As a full-service app agency, we offer all necessary expertise in-house. Whether it's backend and app development, marketing, or design – at KNGURU, all experts work under one roof to collaborate efficiently and achieve common goals.

Efficient App Development: The Technologies Behind Our Apps

Compelling Mockups with Figma

To ensure that the mobile app meets its original goals, it is important to involve clients early in the development process. Clickable prototypes are particularly helpful in this regard.

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

React.js for boundless app development

Once you are satisfied with the prototype, we enter the implementation phase. We rely on solutions from the React ecosystem: from React.js with comprehensive functionality, to Next.js for server-side rendering, and React Native for independently running cross-platform apps. Collaboration within a unified ecosystem ensures that the codebase does not need to be rebuilt as requirements grow.

Reliable Backend with AWS and Firebase

To securely store the data your app project generates after launch and to ensure a stable backend even with great success, we rely on proven solutions.

To minimize the effort for your own servers, we use platforms like AWS and Firebase. These providers 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 rely on state-of-the-art technologies in app development to ensure your app remains stable even with high 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
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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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