SERVICE / APPS

Mobile app development for Android and iOS

We design, build and publish apps on the App Store and Google Play. One codebase for both systems when that fits, and native development when the project calls for it.

Flutter React Native Swift Kotlin Firebase App Store Google Play
01 / WHAT YOU GET

From the idea to a published app

We own the whole path, including the boring store paperwork.

01

App design

Screens, flows and states. Before writing code we build a clickable prototype so you can see how it is used and tell us what to cut.

02

Cross-platform app

With Flutter or React Native we keep a single codebase for Android and iOS. Lower development cost and, more importantly, lower maintenance cost over time.

03

Backend and API

If the app needs users, data or payments, we build the server: Node or Python, PostgreSQL, authentication and a documented API.

04

Store releases

Listings, screenshots, privacy policy, Apple and Google review. We handle the back and forth until the app is approved.

05

Notifications and analytics

Segmented push, usage events and reports. Knowing which screen people use and where they drop off beats any opinion voiced in a meeting.

06

Updates and support

Android and iOS change every year. We keep the app current with each new system version so it does not quietly stop working.

02 / HOW WE DECIDE

Native or cross-platform

The question that shows up in the first meeting. Here is how we answer it.

A

Cross-platform

If the app is about content, management, catalogue, bookings or commerce, Flutter or React Native are more than enough. Built once, running on both systems, updated in one place.

B

Native

If you need heavy graphics performance, deep hardware access or features that land on one system first, Swift or Kotlin is the right call. It costs more and we say so beforehand.

C

Installable web app

Sometimes you do not need an app at all. A PWA installs from the browser, does not depend on store approval and costs a fraction. When that is the better option, we tell you, even though it pays us less.

03 / STACK

What we build with

A stack proven on projects that are published and in use, not on lab experiments.

Flutter React Native Swift Kotlin Firebase Node Python PostgreSQL Docker AWS Stripe OneSignal
04 / QUESTIONS

What people always ask

How much does it cost to build an app?

It depends on how many screens it has and whether it needs its own server. A catalogue app with login is a very different project from one with payments, geolocation and chat. We send the fixed quote within 48 hours of the first call.

How long does it take?

Between 6 and 12 weeks for a first published version, depending on scope. Every two weeks you get a build you can install on your phone and actually use.

Is the app registered under my name?

Yes. The Apple and Google developer accounts belong to your company and you own them. We publish with delegated access, so the day you want to continue with another team, you are not tied to us.

Do I have to pay Apple and Google?

Yes, and those are their costs, not ours: Apple charges an annual developer subscription and Google a one-time registration fee. We tell you the current amounts before we start.

Can we launch on Android first?

You can, and sometimes you should. Google Play approves faster and costs less to register, so it works well to validate with real users before facing Apple review.

What if I need changes later?

Projects continue with a monthly maintenance agreement or with blocks of hours. You pick whichever fits the pace of change your app has.

05 / SERVICES

The other things Mtools does

Almost no project fits one category only. These are the other fronts we cover.

Web development

Corporate sites, landing pages and online stores that actually ship.

Automation

We connect your systems and take the manual work out of the middle.

Tell us what app you need

Two or three lines about what you want to build is enough for us to come back with scope, timeline and price.

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