Custom Mobile App Development Services for iOS & Android
Whether you are validating an MVP or scaling an established product, our dedicated mobile development team delivers custom iOS and Android apps built for performance, usability and reliable growth.
Trusted by clients across the globe.














Trusted by clients across the globe.















Eric Zuley
CEO eZWay Network

We have worked with Webermelon now for close to a year and they have exceeded our expectations in all categories. We know we can always depend on them.

Florian
ManRoof GmbH

I’ve been working already many times with Webermelon on different web projects. Fully customized PDF generating application, WordPress websites and customization. The work was always professional and very satisfying and on time. Looking forward to work on new projects again. Thanks!
What We Build
Custom Mobile App Development Across Every Major Platform
From cross-platform consumer apps to complex enterprise solutions, we deliver mobile experiences designed around your users, business goals and technical requirements.
Cross-Platform App Development
One codebase. Two platforms. We develop high-performance React Native and Flutter apps that provide a smooth, native-like experience on iOS and Android while reducing development time and costs.
Native iOS Development
When performance and access to Apple's ecosystem matter, we build native iOS applications with Swift. Each app follows modern iOS standards and is designed for a smooth user experience and reliable App Store performance.
Native Android Development
We develop native Android apps using Kotlin, making full use of the Android SDK and Material Design guidelines. Every application is built to meet Google Play requirements and deliver reliable performance across devices.
MVP App Development
Turn your idea into a working product. We plan, design and develop focused mobile MVPs with the core features needed to test your concept, gather user feedback and reach the market faster.
API Integration & Backend Connectivity
We connect mobile applications with existing backends, third-party APIs and cloud services. Our work covers authentication, real-time data synchronisation, push notifications and offline-first functionality.
App Maintenance & Iteration
Your app needs attention after launch. We provide ongoing support that covers OS updates, performance monitoring, crash fixes, feature improvements and App Store management to keep your application running smoothly.
CASE STUDIES
Here is our most successful case studies
Cluu – UI/UX Design Agency Website
Cluu is a UI/UX design agency that approached us with a website concept focused on advanced animations and presenting its projects through an engaging, visually appealing experience.
Why Webermelon
A Custom Mobile App Development Partner That Thinks Beyond the Build
UX-First Engineering
Every app starts with the people who will use it. Our designers and developers work together from the beginning, ensuring the user interface and technical architecture support the same goals.
Cross-Platform Without Compromise
We use React Native and Flutter to build apps that feel right on each platform. Platform-specific interfaces, gesture controls and performance optimisation help deliver a consistent experience across iOS and Android.
Scalable Architecture from Day One
We build applications with future growth in mind. Clean state management, modular components and well-planned API layers help your app handle new features and users without costly structural changes.
App Store Submission Handled
We manage the App Store and Google Play submission process, including certificates, provisioning profiles, metadata, screenshots and review requirements. This helps reduce avoidable delays and submission issues.

Transparent Delivery, Every Sprint
Daily updates and weekly sprint demonstrations keep you informed throughout development. You can review working features at the end of each sprint instead of relying only on progress reports.
How It Works
How We Deliver Your Custom Mobile App
We follow a clear development process, from understanding your requirements to preparing your app for the App Store. You stay informed and involved at every stage.
Engagement Models
Choose the Right Model
for Your App
MVP Sprint
A focused, time-limited engagement to build and launch your app's core features. It helps you reach the market sooner, collect user feedback and test your product idea.
- Fixed scope and timeline
- Core features included to keep development focused
- UX design and development included
- App Store submission managed
- Post-launch improvements available
Dedicated App Team (Most Popular)
Get a complete mobile development team working on your product. Your team includes iOS or Android engineers, a UX designer and QA support, working together from discovery through launch.
- Mobile engineers, designer and QA support
- Dedicated project manager
- Agile sprints with weekly demonstrations
- App Store submission managed
- Team size adjusted as your needs change
Managed Project
Share your requirements and let us manage the full development process. We handle UX, architecture, development, testing and submission with clear milestones and one point of contact.
- Full project management from start to finish
- Fixed-scope or agile delivery
- Clear milestones and progress reports
- Post-launch support included
- Transparent and competitive pricing
Tools we use
A Team Skilled Across the Entire Modern Stack
Our development teams bring focused experience across modern tools and technologies. Each developer is selected for their area of expertise, giving your project the skills it needs at every stage.
Figma
Create user-focused designs that support a consistent brand experience and help turn your product ideas into clear, usable interfaces.
What Clients Say

Nico Oesch
Coople (Schweiz) AG
On Coople we worked with webermelon on our new website. They implemented great designs and we were always happy with the service. Quality, quick reaction time and timely delivery what makes webermelon stand out. Definitely going to work with them in the future.

Florian
ManRoof GmbH
I’ve been working already many times with Webermelon on different web projects. Fully customized PDF generating application, WordPress websites and customization. The work was always professional and very satisfying and on time. Looking forward to work on new projects again. Thanks!

Vilem Arbeit
CEO - SHARKANI
"Professional team of developers. We've been working with Webermelon on two custom projects and they delivered very satisfying results for a very reasonable price. Any glitches found were always fixed almost immediately at no extra cost."
Need more info?
Frequently Asked Questions
Find answers to common questions about our custom mobile app development services before starting your project.
1. How long does custom mobile app development take?
A focused MVP typically takes 8 to 12 weeks from the approved brief to App Store submission. A full-featured product with complex integrations may take 16 to 24 weeks. We provide a project timeline during scoping so you understand the expected delivery schedule before work begins.
2. Should I build a native app or a cross-platform app?
The right option depends on your product and business goals. Cross-platform development with React Native or Flutter supports iOS and Android from one codebase, making it faster and more cost-effective for many projects. Native Swift or Kotlin is suitable when you need deeper platform integration, higher performance or specific hardware features. We help you choose during discovery.
3. Do you handle App Store and Google Play submission?
Yes. We manage the submission process for both the Apple App Store and Google Play. This includes certificates, provisioning profiles, metadata, screenshots and privacy requirements. We also help address review feedback and manage resubmissions when needed.
4. Can you build the backend and API for my mobile app as well?
Yes. We can develop both the mobile frontend and backend API as part of one project. If you already have a backend, we can connect your app to it instead. Our backend developers use technologies such as Node.js, Laravel and Firebase based on your project’s requirements.
5. What does the mobile app design process look like?
Our design process begins before development. We create wireframes followed by high-fidelity Figma prototypes that cover key screens and user journeys. You can review and approve the experience before coding starts, helping reduce design changes and delays during development.
6. Do you offer post-launch mobile app support?
Yes. Our post-launch support covers operating system compatibility, crash monitoring, bug fixes, performance improvements and new feature development. You can choose monthly support or individual development sprints based on your application’s ongoing needs.
7. Can you take over an existing mobile app that another team built?
Yes. We can review and continue development on an existing mobile application. First, our team audits the codebase, records technical issues and prepares a clear improvement plan. This helps us understand the current application and agree on the next steps before development resumes.
8. Do you sign NDAs for custom mobile app projects?
Yes. Our team members sign NDAs before working on client projects, and we can sign project-specific confidentiality agreements. These cover areas such as intellectual property, source code and business information. You retain ownership of the code and assets delivered under the agreed terms.
Ready to Build Your Custom Mobile App?
Tell us about your app idea. We will review your requirements, recommend the right platform and prepare your development team to get started within 48 hours, with a clear plan and no unnecessary delays.