Mobile app development

From UX/UI design to store release: we build iOS and Android apps and keep developing them after launch.

Services in: Mobile apps

iOS and Android apps

When an app must be as smooth as possible and use everything the phone offers, we build it natively, separately for each platform.

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React Native apps

One codebase for iOS and Android. You reach users on both platforms faster, and maintenance is usually simpler and cheaper.

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What we can do for you

UX/UI design

An interface users understand without instructions, in line with both platforms' guidelines.

iOS and Android apps

One or two platforms, native or cross-platform.

Backend and API

Server, push notifications, payments and integrations with your systems.

Release and maintenance

Preparation for the App Store and Google Play, updates and support.

About this service

Mobile app development covers UX/UI design, an iOS and Android app, backend and API, push notifications and publishing in the App Store and Google Play. Depending on the project we choose native apps in Swift and Kotlin or a cross-platform solution in React Native.

We treat a mobile app as part of a larger system: we connect it to the server, admin panel and other company services, and after launch we provide updates and support.

The power of creation. See what our projects look like

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Why Cormo

Store know-how

We know what App Store and Google Play reviewers require and plan time for fixes.

One team for everything

App, server and admin panel from a single contractor.

Transparent process

Prototypes and test builds for review at every stage.

Technologies

Experience you can rely on

We build mobile apps and prepare them for publication in the App Store and Google Play. We work in React Native and native technologies, and build the app together with its backend and admin panel.

+100Projects
+10Years on the market
+10People on the team
27001ISO/IEC standard, information security

Our work

Let’s go Eat! by Sodexo

Check your favorite Sodexo restaurant’s menu. Enjoy special discounts!

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Cormo Mobile Guide

Mobile Guides. Explore with ease!

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See our projects

We work in line with ISO/IEC 27001

Data security is part of our process, not an add-on at the end of a project.

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How we work

  1. 01

    Meeting

    We learn the business goal, the users and the project constraints.

  2. 02

    Estimate

    We settle the scope, a first estimate and a schedule.

  3. 03

    Delivery

    We design, build and test in short iterations.

  4. 04

    Support

    We deploy, monitor and evolve the solution after launch.

Estimate calculator

Estimate your project in 2 minutes

Answer a few questions and we will prepare a first estimate and send it to your email. No strings attached.

Frequently asked questions

What does mobile app development with you include?

It covers the full cycle: UX/UI design, an app for one or two platforms, a backend with an API, push notifications and payments, publishing to the App Store and Google Play, and further development. We can build natively in Swift and Kotlin or with React Native, depending on your needs. On the server side we work with Laravel, Node.js, Python and PostgreSQL. You own the code and documentation.

What is the process of building a mobile app and how long does it take?

We start with a workshop to set goals, users and key features. Then come UX/UI design, a first version (MVP), testing on devices and store publication. We work iteratively, so you regularly get working builds to try. Timing depends on the number of features, platforms and integrations, and on store review, which we do not control. We give a schedule after the analysis.

What drives the cost of a mobile app and how do you estimate it?

The biggest factors are the number of screens and features, the technology choice (native or cross-platform), the number of platforms, and the need for a backend, login, payments, offline mode and integrations with your systems. The level of interface polish matters too. We estimate from a feature description split into stages, and we often recommend starting with an MVP of key features and adding the rest once you see what users actually use.

How do you protect user data in the app and what does store publishing involve?

We protect data with encrypted API communication, secure authentication and limited permissions, and our working processes follow practices aligned with ISO/IEC 27001. We also prepare the required privacy descriptions and consents. For App Store and Google Play we guide you through developer accounts, materials and review. Stores can reject an app, so we plan time for fixes.

What happens to the app after release and who develops it?

After release we monitor errors and reviews, and since operating systems change requirements every year, an app needs updates. The code, designs and store accounts belong to you. We can keep developing features, fixing bugs and adapting the app to new iOS and Android versions under ongoing support. If you prefer your own team, we hand over documentation and project knowledge.

Get in touch

Tell us about your idea

Describe what you need. We will reply with a proposal for the next steps.