iOS and Android apps

Your business in their pocket, built to keep people engaged.

We take mobile products from the first idea through UX, development and release. The finished app feels at home on iOS and Android and stays quick under real use.

One product across both platforms

React Native lets one team ship to iOS and Android while keeping the experience fluid. When the product needs deeper platform access, we use native technology where it counts.

  • A shared codebase for iOS and Android
  • Smooth native-feeling performance at 60 FPS
  • One release process and a leaner maintenance budget

Mobile UX and UI

People should understand the app on first use. We follow Apple Human Interface Guidelines and Material Design, then adapt those patterns to the character of your product.

  • Controls placed for comfortable one-handed use
  • Responsive motion that confirms each action
  • Clear navigation and a short onboarding path

Backend and API included

The screens are only one part of the product. We build the servers, databases, APIs and admin tools that keep the app useful after launch.

  • Custom APIs and third-party integrations
  • Architecture sized for real traffic
  • Secure data handling and GDPR support

App Store and Google Play release

We prepare the store listings, certificates and release builds, then handle the review process with Apple and Google. You get a clean launch and a repeatable path for future updates.

  • Developer account setup
  • App store listing and ASO
  • Support and updates after release

How we build your mobile app

The work moves in visible stages, from product scope and a clickable prototype to tested builds on real phones and release in both app stores.

  1. 01

    Product strategy

    We define the business goal, rank the features and choose the right approach for iOS and Android.

  2. 02

    UI and UX design

    A clickable prototype settles the flow before we create a visual system that fits Apple and Google conventions.

  3. 03

    Development

    We build the app and its API, with regular test releases installed on physical devices throughout the project.

  4. 04

    Store release

    We prepare certificates and listings, submit the builds and guide the app through review in both stores.

How many customers is your old website costing you?
Let us find out.

A free consultation and a practical plan within 24 hours. We take on no more than 3 projects at once, so your work gets our full attention.

Call us

+48 888 202 880

Email us

hello@234.studio

WhatsApp

+48 888 202 880

Common questions

How much does a mobile app cost?
Mobile app projects start at PLN 10,000 net. Apps with advanced features, external APIs or hardware connections are priced after a free consultation.
Will the app work on iOS and Android?
Yes. We usually build with cross-platform technology such as React Native, so one product runs smoothly on both operating systems and costs less to maintain.
How long does it take to build an app?
A production-ready mobile app usually takes 3 to 6 months, including UX and UI design, backend work and release to the app stores. The exact schedule depends on the scope.

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