CZEN
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Services

Mobile app design for iOS and Android

I design apps that people use often and gladly, from onboarding to the design system. Moje Makro and Moje METRO have more than 300,000 downloads.

Request a designApp examples
  • Reply within 24 hours
  • 300,000+ app downloads
  • iOS and Android
Examples of mobile apps

When I can help

How I can help

  1. 01

    People delete the app

    The first minutes decide. I design onboarding that shows the value right away.

  2. 02

    Too few active users

    Rewards, loyalty features and notifications that make sense and do not annoy.

  3. 03

    Two platforms, one product

    A design system for iOS and Android that respects the conventions of both.

What you get

What the design includes

Everything from the first call to launch. No hidden items.

  • User journey mapping
  • Onboarding and activation
  • UI for iOS and Android
  • Design system and component library
  • Custom illustrations and icons
  • Clickable prototype for testing
  • Developer handoff
  • Support after launch

Package

Tailored collaboration

From a single feature to a whole app. We start with an analysis, then I send scope, price and timeline.

  • Goal and user analysis
  • Design in stages
  • Design system in Figma
  • App Store and Google Play assets

I work with

  • iOS
  • Android
  • Figma
  • Design systems

Mobile app

On request

Price depends on scope. I will send an estimate within 24 hours.

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The Moje Makro app

Case study

Moje Makro and Moje METRO

Eight years of designing B2B shopping apps for Makro CZ and METRO SK. One design system for two countries, 300,000+ downloads and a 4.5/5 rating.

View the case study

Process

How we work together

  1. 01

    Discovery

    Goals, users and competitors. Where the app loses people.

  2. 02

    User journeys

    Onboarding, main flows and edge cases.

  3. 03

    UI and design system

    Components for iOS and Android, illustrations and micro-interactions.

  4. 04

    Handover

    Developer handoff, support during implementation and after launch.

Testimonials

“We got a complete company identity, from graphics and the logo to a modern, clear website. Above all, I appreciate the creative approach, the eye for detail, the willingness to work in feedback and the excellent communication throughout the whole process. The result exceeded our expectations.”
Projasni.czTanning and red light therapy studioReview on Google
“Jan always reliably met the agreed deadlines and in many cases worked very proactively.”
Tomáš KronerCEO, Appelis a.s.
“Top-notch collaboration. Everything worked out exactly as we imagined and, above all, with the real needs of our business in mind. A professional approach, I can only recommend it!”
Zdeněk CermanDarka CompanyReview on Google

FAQ

Frequently asked questions

Answers about mobile app design. More on the FAQ page.

All questions

Do you design for iOS and Android?

Yes. One design system that respects the conventions of both platforms.

How much does app design cost?

It depends on scope. After a short analysis, I send an estimate of scope, price and timeline within 24 hours.

Can you do gamification?

Yes. I designed rewards, streaks and level unlocking for Mathman and the Olive Online loyalty programme.

Who owns the design?

You do. Once paid, you get the Figma files with full access, the design system and all source materials. No dependence on me.

More services

What else I can help with

01

Websites that sell

From CZK 20,000 by scope. Design, SEO and turnkey build.

02

SaaS and apps

UX, UI and a design system that keeps up with growth.

03

UX audit

Where your product loses people, why and what to do.

04

Identity and illustration

A logo, a system and rules you can actually use.

Want to design an app?

I will get back to you within 24 hours. With an estimate of scope and price, not a sales pitch.

Request a design