App-Entwicklung: App UX/UI Design

App UX/UIDesign

Thoughtful UX/UI design determines whether users love your app or delete it in frustration. We craft interfaces that are intuitive to navigate, carry your brand consistently, and guide users through their tasks efficiently – from first sketch to final pixel. Design is not the last step in our process; it is the starting point for all technical decisions.

Challenges you'll recognise

  • Your app has all the features but users get lost and abandon it in frustration.
  • Design and development are misaligned – screens look finished until implementation reveals what was missing.
  • Your app design looks inconsistent and fails to carry your brand – every screen looks slightly different.

User Research

Great app design starts with understanding your users. We analyse target audiences, usage contexts, and typical tasks before designing a single screen. This foundation prevents design decisions based on assumptions rather than real user behaviour – and reduces costly post-launch corrections.

Interaction Design

Every gesture, transition, and piece of feedback from the app shapes how using it feels. We define interaction patterns that build on iOS and Android conventions while consistently expressing your brand identity. The result is an app that feels familiar yet distinctly yours.

Visual Design

Colours, typography, spacing, and iconography follow a consistent system that works across all screen sizes. We deliver a complete visual design that carries your branding, meets accessibility requirements, and lays the groundwork for a reusable design system.

Developer Handoff

A great design loses its value if it gets lost in implementation. We hand off cleanly specified designs with spacing tokens, component descriptions, and interaction definitions – so developers never have to guess, and the end result matches the design.

Good to know

  • Design as a Process

    UX/UI design is not a one-off step but an iterative process. Early prototypes enable feedback before development costs arise – the most efficient path to a product users actually want.

  • Platform Conventions

    iOS and Android users have different expectations for navigation, gestures, and system elements. We respect those conventions without sacrificing brand consistency.

  • Handoff Without Losses

    Clean design handoffs with tokens, component documentation, and interaction specs prevent good designs from being watered down during development.

Frequently asked questions

How early in the process should UX/UI design begin?
As early as possible – ideally before a single line of code is written. Early design decisions influence architecture. Leaving design until after development means you either build the wrong thing or face expensive rework.
Do you deliver designs for both platforms?
Yes. We design platform-specific variants where conventions require it, and use a shared component library for elements that should stay consistent across iOS and Android.
Can I iterate on the design before development starts?
Absolutely – that is the point. We create clickable prototypes you can test with real users. Corrections at the design stage cost a fraction of what corrections in finished code cost.

Related articles from our blog

Why nextlevels

Success you can measure

With us you're always one step ahead technologically and tap directly into our extensive app development expertise. We take a close look at your app idea, identify key success factors and create tailor-made applications. Your visions and goals are at the heart of our joint project work.

  1. Expert knowledge in app technologies

    React Native, Flutter, native iOS and Android — we pick the stack to fit your project, not our preference.

  2. Comprehensive user experience know-how

    Intuitive operation and seamless interactions decide ratings and how long users stay in the app.

  3. Proven track record

    Published apps in the App Store and Play Store — from MVP to mature platform.

  4. Versatile team

    Concept, design, development and backend from one hand — no friction at the interfaces.

  5. Long-term partnerships

    We stay after launch and keep evolving your app with maintenance and updates.

READY FOR YOUR APP THAT SETS NEW STANDARDS?

Whether you want to optimize an existing app or bring a new vision to life – we'd love to meet you. A no-obligation conversation is always a great start.

Profile picture of Paul Kalisch, Executive Partner
Paul Kalisch
Executive Partner

Related services