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Custom software

Mobile app development for startups and growing businesses

We build apps for phones with Flutter, React Native, native code or as installable web apps, and the back end and API behind them.

Tell us what you need See our work

At a glance

Best for
Startups and businesses that need an app for customers or staff
We build with
Flutter, React Native, Java, native code and PWA
Includes
The app, the back end and the API
How we start
A call about the users and what the first version must do

Routes to a phone

Three ways to get your app onto a phone

The right route depends on your users and your budget. We tell you which one fits before we build.

01

Installable web app (PWA)

One web app that installs on a phone. A good first version when you do not need the app stores yet.

  • PWA
  • One code base

02

Cross-platform app

One code base for iPhone and Android, built with Flutter or React Native.

  • Flutter
  • React Native

03

Native app

An app written for one platform, when the product needs the full features or speed of the phone.

  • Java
  • Native

What you get

The app, and everything behind it

A phone app needs a back end. We build both, so one team looks after the whole product.

Tell us what you need
  • App design and buildScreens, navigation and the app itself, in the route we agree with you.
  • Back end and APIThe server, database and API your app talks to.
  • Payments and sign-inStripe payments and subscriptions, and secure sign-in with OAuth.
  • Real-time featuresChat, notifications and video calls where your product needs them.
  • Tests where it mattersSmall, reviewable changes, and tests on the parts that are expensive to break.

Process

From first call to launch

  1. 01

    Tell us the idea

    A call about your users and what the first version must do.

  2. 02

    Choose the route

    We agree PWA, cross-platform or native, and what goes into the first version.

  3. 03

    Build and review

    Small steps you can see and review as we go.

  4. 04

    Launch and grow

    We launch it, and keep building as your users grow.

Related work

An installable web app we built

PayToAsk is a paid messaging and video-call marketplace for experts. We built the MVP as an installable web app, with Stripe Connect payouts, real-time chat and WebRTC video.

Read the caseAll our work →
PayToAsk
PayToAsk home page

Questions

Mobile app development questions

Should I choose a PWA, a cross-platform app or a native app?

A PWA is a good first version when you do not need the app stores. A cross-platform app, built with Flutter or React Native, gives you one code base for iPhone and Android. A native app is for products that need the full features or speed of the phone. We help you choose before we build.

Do you build the back end and API as well?

Yes. We build the server, database and API that your app talks to.

How much does a mobile app cost?

It depends on the scope and the route. Tell us what you need and we will come back with a plan and a price for the first version.

Where do we start?

With a call about your users and what the first version must do.

Need software for a computer?

We also build Windows desktop apps

With .NET and Electron, including software that works offline.

See desktop apps

Start here

Tell us about your app idea

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