Mobile App Development Company for iOS and Android
A mobile app puts your business on your customers' home screen. Pixiilab designs and develops iOS and Android apps for startups and growing businesses — from consumer apps to companion apps for e-commerce brands and tools for field teams.
We usually build cross-platform, so one codebase serves both iPhone and Android, which lowers cost and keeps features in sync.
- Next.js
- React
- React Native
- Node.js
- Supabase
- Shopify
- WordPress
- Webflow
- Figma
- Vercel
- AWS
- Google Cloud
Problems a well-built mobile app solves
If you have typed any of these into Google, you are in the right place.
Apps that get installed and deleted
We design around one core job, make onboarding effortless and test with real users before launch, so people keep the app.
Two platforms, double the budget
Cross-platform development with React Native: one codebase, both stores, lower cost and features that stay in sync.
An idea but no technical team
One team covers design, backend, store submission and support, and explains every trade-off in plain language.
Stuck in app store review
We prepare listings, handle submission and review under your developer accounts, and fix whatever the stores ask for.
Updates that break things
Automated testing on real devices, crash monitoring and over-the-air updates, so releases are safe and fast.
What's included
Every engagement is scoped to your goals — here's where we typically start.
Cross-platform apps
One codebase for iPhone and Android, so you launch on both stores at a lower cost.
App UI/UX design
Native-feeling interfaces designed and prototyped before development starts.
Backend & APIs
The server, database and admin panel your app needs to run.
Launch & support
App Store and Google Play submission, analytics, crash monitoring and updates.
Mobile platforms
Cross-platform apps that ship to both stores from one codebase.
Apps people keep using
Most apps are deleted soon after they're installed. The ones that stay solve a clear problem quickly. We design around one core job, make onboarding effortless and test with real users before launch.
We handle everything around the app too: the backend and admin panel, push notifications, analytics, crash reporting and the App Store and Google Play submission process.
What you get
- App strategy and feature scope
- Mobile UX/UI design and prototype
- Cross-platform iOS and Android development
- Backend, APIs and admin panel
- Push notifications, analytics and crash reporting
- App Store and Google Play submission and updates
Our mobile app development process
Discovery
Users, core features, platforms and integrations defined into a scoped plan.
UX/UI design
App flows and screens designed and tested as an interactive prototype.
Development
Cross-platform app, backend and admin built and tested on real devices.
Launch & support
Store submission, analytics, monitoring and ongoing updates.
Mobile app development tech stack for iOS and Android
What we build apps with, from the cross-platform codebase to the back end, payments and the two app stores.
React Native & Expo
One codebase for iPhone and Android
Swift & Kotlin
Native modules when a feature needs them
TypeScript
Typed, testable app code
Supabase & Firebase
Auth, database, storage and realtime
Push notifications
APNs and FCM with scheduling and deep links
In-app payments
Stripe, Apple Pay and Google Pay
App Store & Google Play
Listings, review, releases and over-the-air updates
Analytics & crash reporting
Usage events, funnels and stability monitoring
Mobile App Development questions, answered
Native or cross-platform — which is better?
For most business apps, cross-platform gives near-native performance from one codebase at a lower cost. Native development makes sense for apps with heavy device-specific features or graphics. We'll recommend the right approach for yours.
How much does it cost to build an app?
It depends on features, integrations and whether you need a custom backend. Discovery gives you a scoped estimate before development starts.
Do you publish the app to the App Store and Google Play?
Yes. We prepare store listings, handle submission and review, and publish under your developer accounts.
Can you add an app to our existing website or store?
Yes. We can connect the app to your existing Shopify store, website or backend through APIs.
Who maintains the app after launch?
We offer ongoing support for OS updates, bug fixes and new features, or a full handover to your team.
Guides to read before you brief us
- How Much Does It Cost to Build an App in 2026?App development quotes range from a few thousand dollars to several hundred thousand. Here is what drives the cost of a mobile or web app in 2026, what an MVP should cost, and how to keep the budget under control.