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App Development

Apps that people actually use

No app for the sake of an app. We build mobile solutions that solve problems, delight users and grow your business.

Discuss your app idea
Apple & Google certified
50+ apps launched
4.8★ avg. store rating
50+
Apps launched
4.8★
Avg. store rating
2M+
Downloads since 2009
95%
On-time delivery

Most apps fail. Ours don't.

80% of apps aren't opened after 3 days. Not because apps don't work, but because they don't solve a real problem. That's why we don't start with building, but with understanding.

1

You don't know if your app idea is viable

2

Previous apps were delivered too expensive and too late

3

Your app needs to work on iOS and Android without double costs

4

You want an app that users keep using after week 1

5

You don't have a technical background to evaluate vendors

Why Score

Fast time-to-market

From idea to working app in weeks, not months. MVP-first approach to validate quickly.

User-driven

We build what your users need, not what we think is cool. Data and research drive our decisions.

Professionele beveiliging

Encryption, secure authentication, OWASP-compliant. Your user data is safe.

The right technology for your case

In 90% of cases, cross-platform is the smartest choice. One codebase for iOS and Android means faster development, lower costs and easier maintenance.

React Native

One codebase, two platforms. 70% faster development (based on Score Agency projects, 2020-2025).

Flutter

Native performance, pixel-perfect UI for demanding apps.

Swift/Kotlin

When 100% native is truly needed (gaming, AR, etc.).

PWA

Web-first, installable as app. No store needed.

From idea to App Store

01

Discovery

We validate your idea, define the MVP and create a roadmap.

02

Design

UX flows, wireframes and pixel-perfect UI designs.

03

Development

Agile sprints with weekly demos. You see progress.

04

Launch

App Store optimization, release management and monitoring.

Case Study

Logistics app with 100,000+ downloads

Transport company • Logistics

De uitdaging

A transport company wanted to give drivers real-time route updates and offer customers live tracking. Existing solutions were too expensive and not flexible enough.

Onze oplossing

Custom React Native app with real-time GPS tracking, offline-first architecture for areas without coverage, and a customer portal for live shipment tracking.

Resultaten

100K+
Downloads
30%
Efficiency gain
4.7★
Store rating
-40%
Support calls
“Score understood our sector and delivered an app that our drivers actually use daily. The ROI was earned back within 6 months.”

Operations Manager

Transport Company

Score vs. standard app builder

Feature
Score
Others
Cross-platform expertise
Often only native
UX research included
Fixed price possible
Post-launch support
3 months free
Paid immediately
App Store optimization
Backend development
In-house
Often outsourced

Included in every app project

iOS and Android from one codebase
Custom UI/UX design
Backend & API development
Push notifications
Analytics & crash reporting
App Store Optimization (ASO)
Beta testing via TestFlight/Firebase
3 months support after launch
Performance monitoring
Security audit

Our app guarantees

Store approval

We guarantee approval in the App Store and Play Store.

3 months support

Free bug fixes and small adjustments after launch.

Transparent pricing

Fixed price or time & materials - always clear upfront.

Code ownership

The complete source code is yours, without restrictions.

Development partners

Apple Developer
Google Play Developer
React Native Expert
Flutter Certified
Firebase Partner

Frequently asked questions

Related cases

View all cases
JDE Peet's

JDE app development and management

JDE needed a reliable mobile solution with ongoing development and management. Score Agency delivered the app and provided a stable foundation for continuous improvements, maintenance and feature expansion.

Active Continuous delivery
Native Apps Enterprise Multi-market
Medisch Spectrum Twente

Gastvrij MST: 700 iPads at the hospital bedside, the standard for ten years

When the new Medisch Spectrum Twente hospital opened in 2016, every bed got something no Dutch hospital had at that scale: its own iPad running Gastvrij MST, the patient platform we designed and built. Patients watch TV, order food and drinks, browse the web and see their treatment information, their caregivers and even their expected discharge date in a personal dashboard. The launch with 700 iPads made national news, and the platform set the standard for hospitality technology in European hospitals. Ten years on it still runs every single day, including the Apple TV app we built for the televisions.

700 iPads at the bedside
App ontwikkeling Zorg iOS
Deep Radio

Deep Radio – Native radio app for iOS, macOS and Android

Deep Radio has been a leading name in the Dutch dance scene for almost 20 years. It is an online radio station that runs 24 hours a day on energy, beats, shows, classics, new releases and a community that does not just listen to music, but lives it. Score Agency developed a native radio app for Deep Radio that goes far beyond a simple play button. The app brings the full Deep Radio experience to iOS, macOS and Android: high-quality live streaming, instant now-playing information, recently played tracks, a complete weekly schedule and seamless playback through AirPlay or Chromecast. The strength of the app is in the combination of deep technical integration and brand experience. Dynamic Island and Live Activities show what is playing in realtime. Lockscreen and Control Center controls make Deep Radio feel like a natural part of the operating system. Background playback remains stable, network interruptions are handled intelligently and the app works cleanly alongside phone calls and other audio apps. The visual layer also received its own character. Realtime metadata, cover art, a synthesized VU meter and even a DJ scratch effect make the app feel like a true digital extension of the Deep Radio brand instead of a generic radio player. Score Agency did not build one compromised cross-platform app. We built a mature native product line: iOS and macOS with SwiftUI and xcodegen, Android with Kotlin, Jetpack Compose and Material3. The result is fast, reliable and platform-native while keeping the Deep Radio identity consistent everywhere. Deep Radio. We Are Dance.

3 Platforms
Radio Media Entertainment

Ready to build?

Tell us about your app idea. Within 48 hours you'll receive an honest assessment of feasibility, timeline and budget.

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