A mobile app your customers want to open again.
We design and build modern iOS and Android apps that deliver an outstanding user experience, run fast, and grow alongside your business.
Hi,
Matti
24
Orders
142
Customers
Why a mobile app?
An app is the most direct channel to your customer.
Customers spend 5+ hours a day on their phone
A mobile app puts you right where your customers already are — in their pocket.
Push notifications bring customers back
Compared to email marketing, push notification open rates can be up to 4× higher.
A better experience than the browser version
A native app is faster, smoother, and responds instantly — no page loads.
Works even without a connection
Offline support lets people use the app on the train, underground, or wherever coverage is poor.
Stronger security
Face ID, Touch ID, and biometric authentication keep your customers' accounts safe.
Grows with your business
Add features and users without a full rebuild.
What you get from us
Everything from design to launch.
App
- Native iOS (Swift)
- Native Android (Kotlin)
- React Native
- Modern UI/UX
- Responsive interface
Functionality
- Push notifications
- Sign-in (Face ID)
- Offline support
- Payments
- Camera & GPS
Integrations
- REST API & GraphQL
- CRM & ERP
- Stripe payments
- Firebase / Supabase
- Analytics
Use cases
A mobile app fits nearly every industry.
E-commerce
A smoother mobile shopping experience
Restaurants
Orders and loyalty programs
Logistics
Tracking and route optimization
Healthcare
Appointments and patient records
Memberships
Classes, cards, and check-ins
Bookings
Calendar and reminders
Customer portal
Messaging and support requests
Online courses
Learning, progress, and certificates
Features
Everything a modern mobile app needs.
Push notifications
Reach customers at exactly the right moment
GPS
Location, maps, and route optimization
Camera
Photos, scanning, and AR
Payments
Stripe, Apple Pay, Google Pay
Offline
Works even without an internet connection
Sign-in
Face ID, Touch ID, Google Sign-in
Dashboard
Real-time stats and reports
Favorites
A personalized user experience
Technologies
The best technologies for iOS and Android.
React Native
Swift
Kotlin
Flutter
React
Next.js
Node.js
PostgreSQL
Firebase
Supabase
Docker
CloudflareProcess
Your app, step by step, from idea to launch.
Get in touch
Tell us your app idea — via the form, email, or a phone call.
Free consultation
A 30-minute call covering the idea, target audience, features, and timeline.
UX/UI design
We design wireframes and the visual design in Figma.
Prototype
We build a clickable prototype and validate it with you.
Development
Development runs in sprints — we show progress every week.
Testing
We test on real devices, with beta users, and with automated tests.
Launch
Final polish, performance optimization, and store assets.
App Store & Google Play
We handle the launch for you — review process and metadata included.
Support and ongoing development
We monitor analytics and keep improving the app based on real data.
Free consultation
Let's start with a 30-minute call.
Tell us your app idea — we'll handle the rest. The consultation is free with no obligation. You'll get a clear recommendation on technology, timeline, and cost.
What we'll cover in the call
- Walk through your app idea
- Map out your target audience
- Define the must-have features
- Choose the right technology (native or React Native)
- Estimate the timeline
- Give you a preliminary cost estimate
- Plan the launch process
- No obligation — completely free
Why Apex Site?
A partner who builds your app — and keeps it up to date.
Modern design
Following Apple's Human Interface Guidelines and Material Design — familiar, yet distinctly yours.
Fast performance
60fps animations and sub-second load times. A native app with no compromises.
Native quality
No hybrid-app feel. The experience is exactly what your customers expect.
Secure by design
Secure authentication, encrypted data transfer, and GDPR-compliant implementation.
Ongoing support
We don't disappear after launch — updates, analytics, and support are always available.
A scalable solution
Add users and features without rebuilding the architecture.
FAQ
Answers to common questions.
Let's build a mobile app your customers use every day.
Book a free 30-minute consultation. We'll design an app together that delivers a great user experience and supports your company's growth.