Useful notifications
Reminders, availability and important updates sent at the right time.
iOS · Android apps · App Store · Google Play
iOS and Android apps, built for you.
We design the experience, build the app and handle its release. You keep one contact from the first screen to the App Store and Google Play.
8M+
cumulative downloads
70,000+
active users
5+ years
of mobile experience
The right product
When an app is more useful than a mobile website
An app is worth it if your users come back, log in or use features specific to the phone. Otherwise a good website can be simpler and cheaper.
Simple payments
Purchases, subscriptions or bookings with a journey designed for phones.
Accounts and regular use
Personal data, history and services restored every time the app opens.
Phone features
Camera, location, local storage or sync, depending on the need.
Work and experience
Apps used in production
These products cover consumer use, chat, payments, sync and diagnostic interfaces.
Built with YALMA
Memolines
Built from scratch
Digitise children’s drawings and keep them in a gallery for each child.
Photo captureFamily galleries
Built with YALMA
iHoroscope
More than 8 million downloads
iOS and Android app built for a large audience, with in-app purchases and fast daily journeys.
In-app purchasesConsumer app
Built with YALMA
iVoyance
800,000 downloads · 4.5/5
App with live chat, appointment booking and secure payment, published on iOS and Android.
Live chatSecure payment
Built with YALMA
MyCosmo
Skincare diagnosis
Interface redesign and app optimisation to make the diagnosis and recommendations easier to follow.
UX/UI redesignOptimisation
Built with YALMA
Seeed App
Migration and sync
App modernisation and data sync so it works reliably across several devices.
SyncModernisation
Built with YALMA
Natal Chart
iOS and Android app
Audit, bug fixes and store release, with chart calculations and interactive visualisations.
VisualisationStore release
Looking for a React Native developer to build or take over an app? Our React Native page
From idea to the stores, in four steps
- 01
Scoping
We define users, frequent actions and the version really worth launching.
- 02
Journeys and mock-ups
Each screen is designed to make the main actions obvious on a phone.
- 03
Build and tests
We test accounts, payments, notifications and error cases on real devices.
- 04
Release and follow-up
We prepare the stores, follow review and plan the next versions.
Frequently asked questions
Before you build your app
Do you build for iPhone and Android?
Yes. We design apps for iOS and Android and handle their release on the App Store and Google Play.
Can you take over an existing app?
Yes. We start with an audit of the code, the user journeys and user feedback, then propose a targeted takeover, or a rebuild when that is safer.
What drives the budget?
Plan on €10,000 and up for an iOS and Android app. The number of screens, user accounts, payments, chat, notifications, offline mode and connections to your tools then set the final amount.
Do you handle the store release?
Yes. We prepare the builds, the assets Apple and Google ask for, the tests and follow the submission until the app is live.
Your app first has to earn its place on a phone.
Tell us what your users will do, how often and with which tools. We will help you define the first useful version.