Mobile apps for iOS and Android.

From the first version tested on real phones to publishing on the App Store and Google Play, with the technology chosen per project.

An app is worth building when people open it often or need phone features: notifications, camera, location, working offline. For everything else a fast website or an installable web app (PWA) costs less and does the same job. We tell you which one you need.

If the app is justified, we build it with design made for the phone, measured speed and code handed over.

Native, cross-platform or PWA

Cross-platform (React Native with Expo, or Flutter) means one codebase for iOS and Android, a smaller budget and timeline, and an experience very close to native. Native (Swift for iOS, Kotlin for Android) makes sense when the app needs top performance, heavy graphics or features close to the system. A PWA installs from the browser, skips the stores and works when you need quick access rather than advanced features.

For business apps with ordinary screens, cross-platform is usually enough.

What we build

  • Customer apps: account, orders, bookings, loyalty points
  • Team apps: field reports, checklists, photos, signatures
  • Delivery and tracking apps, with maps and notifications
  • Apps with in-app payments, subscriptions or tickets
  • Apps that work offline and sync afterwards
  • Companion apps for a website or store, with the same accounts and orders

What we work with

  • React Native with Expo and TypeScript
  • Flutter, when the design calls for complex animation
  • Swift and SwiftUI for iOS, Kotlin and Jetpack Compose for Android
  • Backend in Node.js with PostgreSQL or Supabase, and Firebase for notifications and analytics
  • Push notifications through Firebase Cloud Messaging and Apple Push Notification service
  • Sign-in with email, phone, Google or Sign in with Apple
  • Payments with Stripe, Apple Pay and Google Pay, where store rules allow it
  • Testing on real phones and test builds through TestFlight and Google Play

Publishing in the stores

To publish you need a developer account: one with Apple, with an annual fee, and one with Google Play, with a one-time fee. The accounts are opened in your company name so the app stays yours. We help you open them.

Apple reviews every version and can ask for changes. The texts, the privacy policy and how you ask for data all count. We prepare these early so the review passes on the first try as often as possible.

What it costs

The price depends on the number of screens, the platforms and the integrations. We do not publish a single price: an app with four screens and one with sign-in, payments and a map are different projects. You get in writing what goes into a first version and what it costs, then what can follow.

On top of development there are developer account fees, the server and payment commissions. We show these separately.

See all prices

How a project runs

  • Brief and the decision: app or PWA
  • Design and a prototype on a phone
  • Development with a test version every few weeks
  • Testing on real phones
  • Publishing, then updates
See the full process

Apps for very different fields

Phone features are used differently in each field. A few examples:

  • Delivery and courier

    Orders, tracking on a map, proof of delivery with a photo.

  • Health and wellness

    Bookings, reminders, history and access to results.

  • Fitness and sport

    Memberships, class bookings, training plans.

  • Hospitality

    Table ordering, reservations, loyalty points.

  • Real estate

    Map search, favourites, viewing bookings.

  • Education

    Lessons, progress, homework notifications, offline work.

  • Field teams

    Reports, checklists, photos and signatures, even without signal.

  • Events and tickets

    QR tickets, schedule, notifications during the event.

  • Retail and stores

    Catalogue, loyalty points, barcode scanning.

  • Agriculture

    Work logs, field maps, working in the field without internet.

See the portfolio

Questions about mobile apps

How much does a mobile app cost?
It depends on the number of screens, the platforms and the integrations. We do not publish a single price. After a brief you get in writing the price of the first version and of the following stages.
How long does it take?
A small first version can be ready in a few months, Apple review included. The timeline is set after the specification and you get it in writing.
Do you need two teams for iOS and Android?
No. With cross-platform we use one codebase for both. For projects that need native we work separately on each system.
Do I need a developer account?
Yes, in your company name. We help you open it and it stays yours.
What happens after publishing?
Operating systems change every year, so the app needs updates. We do them on request or through a monthly plan.
Can I start with a website and move to an app later?
Yes, and it is a good idea. The website and the app can share the same accounts, the same database and the same API.
Flutter or React Native?
React Native has a larger developer community, so the project is easier to continue with other people. Flutter fits when the design calls for complex animation. We choose per project and explain why.
How much does app maintenance cost?
As a common market rule, yearly maintenance is 15-20% of the development cost. It covers updates for new iOS and Android versions, fixes and the server. You get a separate offer.

Other services

  • Web design

    Business websites with custom design, built for phones and for Google. Every page has one job: move the visitor toward a call, a booking or an order.

  • Web development

    We turn the approved design into a fast, secure, easy-to-maintain site written in Next.js and React.

  • Custom software development

    Business apps, APIs, integrations and automations built for how your company works, with tests and code handed over.

  • AI solutions for business

    Document assistants, data extraction, automations and agents with human approval, implemented with measurement and in line with GDPR and the AI Act.

  • Online stores

    Online stores with products, cart, card payment and courier delivery, built to sell and easy to manage.

  • UI/UX design

    We study how people reach you and how they decide, then design the interface that gets them to what they want faster.

  • Brand identity

    Logo, colours, typography and usage rules, so your brand looks the same everywhere: on the site, on social media and on paper.

  • Digital content management and coordination

    We look after what shows up about your business online: your Google Business Profile (formerly Google My Business), social accounts, posting calendar and replies to messages, in one monthly plan.

  • SEO

    Technical audit, keyword research, content and a local profile, measured monthly in Google Search Console.

  • Maintenance and support

    Security updates, backups, monitoring and small changes, in a monthly plan with everything it includes written in the quote.

Tell us what you are building.

Send a short brief and we will come back with a clear quote.