Mobile app Development services
We’re a mobile app development company building native iOS and Android apps, plus cross-platform apps in Flutter and React Native, for European businesses and startups. Strategy, design, build, launch and the bit most forget — keeping it alive after release. GDPR handled, EU-resident delivery, fixed-price where the scope is clear.
Why Choose Emizentech for Mobile App Development
We design, build and ship mobile apps that hold up in the real world — clean code, proper testing, a launch that doesn’t fall over, and support that doesn’t disappear the week after release.
Native and cross-platform, your call
Swift and Kotlin when you need full native power; Flutter or React Native when one codebase makes more sense. We help you pick — and we’ll tell you honestly which your project actually needs.
Tested on real devices, not just the emulator
Android’s device sprawl and Apple’s review rules trip up a lot of teams. We test across real phones and OS versions so your app ships stable and gets through review first time.
We stick around after launch
An app isn’t done at v1. We handle updates, OS changes, store compliance and the post-launch tuning that decides whether people keep it installed.
150+ apps, 4.6? average
A decade building mobile apps for European startups and enterprises.
Most apps get deleted within a week. Building one isn’t the hard part.
Here’s an uncomfortable number: a big chunk of apps get uninstalled inside the first week. Not because the code was broken — usually because nobody figured out why someone would open it twice. Anyone can build an app these days. Building one people actually keep, use and recommend is a different sport entirely, and it starts long before the first line of code.
That’s where our mobile app development services start too — with the awkward questions. Who’s this really for? What’s the one thing it has to do brilliantly? Is a native app even the right move, or would cross-platform get you to market faster and cheaper? We’d rather have that conversation up front than build you a beautiful app nobody needs. We’ve seen those. They’re expensive.
Then we build it properly — native iOS and Android where it counts, Flutter or React Native where one codebase makes sense, tested on real devices, launched cleanly, and looked after once it’s live. No vanishing act after release.
Everything from idea to a five-star listing.
Full-cycle mobile app development — we cover the whole journey, not just the coding bit in the middle.
iOS app development
Native iOS apps in Swift, built to Apple’s standards — Face ID, Apple Pay, push, the lot. Tested across iPhones and iPads, including the older ones people stubbornly keep, and built to clear App Store review without drama.
Android app development
Native Android apps in Kotlin, tested across the messy reality of Android’s device and OS fragmentation. Material Design done right, Google Play compliance handled, performance that holds up on cheap handsets too.
Cross-platform development
One codebase, both platforms — Flutter or React Native — when it makes sense to move faster and spend less. Near-native performance with a fraction of the duplicated effort. We’ll tell you when this is the smart route and when it isn’t.
UI/UX design
Wireframes, prototypes and design systems that make an app feel obvious to use. We test usability before building, because a confusing app is a deleted app — no matter how clever the engineering underneath.
MVP & product strategy
Got an idea but not a spec? We help shape it — requirements, a lean MVP to test demand, and a roadmap. Validate before you bet the budget on a full build.
Maintenance & support
OS updates break things; stores change rules; users find bugs you didn’t. We keep your app current, compliant and stable long after launch — the part that quietly decides whether it survives.
Got an app idea but not sure if it’s worth building?
That’s a good place to start, actually. Tell us the idea — we’ll give you an honest read on whether it’s viable, roughly what it’d take, and whether native or cross-platform fits. No charge, no hard sell.
Build smarter apps with intelligent automation
We build AI, machine learning, NLP and computer vision straight into mobile apps — not bolted on as a gimmick, but where it actually does something useful. Predictive features, conversational interfaces, smart search, image recognition. The kind of AI that quietly makes an app better to use, rather than a checkbox on a pitch deck.
Build your AI-powered app
AI consulting & strategy
AI features & integration
AI in legacy app modernization
Advanced AI analytics
The full stack behind your mobile app.
We pick technology to fit your app, not the other way round. Here’s the toolkit our developers work across — front end to cloud, plus a quick word on the native-vs-cross-platform call, since it shapes everything else.
Native (Swift / Kotlin)
Separate iOS and Android builds, each in its own language. Best raw performance, full device access, the smoothest feel — at the cost of building twice. The right call for performance-heavy apps, games, or anything leaning hard on hardware.
Cross-platform (Flutter / React Native)
One codebase, both platforms. Faster to build, cheaper to maintain, quicker to market — and the performance is genuinely close to native now. The sensible default for most business apps, MVPs and budget-conscious startups.
For most apps we build, cross-platform is the right answer — it saves real money and time, and Flutter and React Native have come a long way. But not always: if your app lives or dies on raw performance or deep hardware access, native earns its extra cost. We give you the honest recommendation for your app rather than defaulting to whatever we’d rather build.
Frontend (mobile)
- Flutter
- React Native
- Swift (iOS)
- SwiftUI
- Kotlin
- Jetpack Compose
- Xamarin
- Ionic
Database
- MySQL
- PostgreSQL
- MongoDB
- Firebase Firestore
- SQLite
- Redis
Cloud & DevOps
- AWS
- Microsoft Azure
- Google Cloud (GCP)
- Docker
- Kubernetes
- Jenkins
- GitHub Actions
Cloud & DevOps
- AWS
- Microsoft Azure
- Google Cloud (GCP)
- Docker
- Kubernetes
- Jenkins
- GitHub Actions
APIs & integrations
- REST API
- GraphQL
- Firebase
- Stripe
- PayPal
- Twilio
- Google Maps API
Analytics & monitoring
- Firebase Analytics
- Google Analytics
- Crashlytics
- Mixpanel
- Appsflyer
AI & emerging tech
- OpenAI
- TensorFlow
- Dialogflow
- Azure AI Services
- Google Vertex AI
The engineering depth behind custom mobile apps.
We build for where things are going, not just where they are. These are the areas we bring into mobile builds when they earn their place — for performance, scale and a security posture that holds up at enterprise size.
Generative AI & LLMs
Conversational interfaces, smart assistants and content generation built on OpenAI, Vertex AI and on-device models — applied where they genuinely help, not for show.
Computer Vision
Image recognition, document scanning, OCR and AR overlays using TensorFlow and native vision frameworks. Turning the camera into a real input, not just a photo button.
Cloud-Native & Serverless
Kubernetes for orchestration and serverless functions (AWS Lambda, Azure Functions) to absorb traffic spikes without babysitting servers — with caching and multi-region scaling for low latency.
Big Data & Analytics
Event pipelines, behavioural analytics and dashboards that turn app usage into decisions. Knowing what users actually do, not what you hope they do.
IoT & Edge Computing
Apps that talk to devices, wearables and sensors, with edge processing for speed and offline resilience when the connection drops.
Spatial Computing (AR/VR)
ARKit and ARCore experiences — virtual try-on, spatial navigation, immersive product views — for the use cases where AR is the feature, not a gimmick.
Cybersecurity
Encryption at rest and in transit, secure storage, threat monitoring and penetration testing. The boring work that keeps an app off the news for the wrong reasons.
Blockchain & Web3
Wallet integration, smart contracts and tokenisation for the projects that genuinely need a decentralised approach — and honesty about when they don’t.
Must-have features for serious mobile apps.
Enterprise apps have to do more than look good — they have to be secure, integrate with what you already run, and survive an audit. Here’s the kind of thing we build in when the project calls for it.
What we build
Apps across industries and use cases.
A decade of mobile work across these sectors means we usually know the regulations, the integrations and the user habits before you spell them out.
Fintech & Banking
Secure mobile banking, payments and wallets, built with the encryption, compliance and care money apps demand.
Healthcare
Patient apps, telehealth and wellness, built with the data handling GDPR Article 9 requires for health information.
Retail & eCommerce
Shopping apps with smooth checkout, loyalty and personalisation, tied into the systems you already run.
Logistics & On-Demand
Delivery, tracking and field-service apps with maps, real-time updates and offline modes for spotty signal.
Media & Social
Streaming, content and community apps built to stay quick and stable as your user base grows.
Enterprise & B2B
Internal apps, field tools and enterprise mobility that connect to your existing back-end and keep data secure.
App stuck in development limbo with another team?
Happens more than people admit. We take over half-built apps — audit the code, tell you honestly what’s salvageable, and get it finished and launched. No blame, just a way to the store.
From idea to App Store, without the chaos.
App projects drift when discovery is rushed and testing is an afterthought. We run ours in sprints, with something you can hold in your hand early.
Discovery & strategy
We work out what the app’s really for, who it’s for, and whether native or cross-platform fits. The thinking that stops you building the wrong thing beautifully.
Design & prototype
Wireframes and a clickable prototype you can react to before a line of code is written. Usability tested early, when changes are cheap.
Build in sprints
Two-week sprints with working builds you can install and try. No big reveal at the end — you see it grow, and steer as it does.
Test on real devices
Real phones, real OS versions, real network conditions. We catch the bugs the emulator hides, so your launch reviews aren’t one-star.
Launch & look after it
We handle App Store and Google Play submission and compliance, then support updates, OS changes and improvements after release.
Apps we’ll happily walk you through.
Three recent ones with a clear before and after. Real outcomes, not numbers tidied up for a slide.
A banking app on one Flutter codebase
A French fintech needed iOS and Android fast, on a startup budget. We built both on a single Flutter codebase with bank-grade security and biometric login — launched in months, not the year native would’ve cost.
A camera app that needed real native power
A Dutch media startup’s app leaned hard on the camera and on-device processing — a clear native case. We built it in Swift, squeezing performance cross-platform couldn’t have matched.
A grocery app rescued and relaunched
A German retailer’s app had stalled with a previous agency. We took over the React Native codebase, fixed the worst of it, finished the build and got it live — ratings climbing since.
Reviews we didn’t get to edit.
From Clutch and G2, where clients write their own words and we don’t get a vote.
4.9
The questions we get before signing.
Let’s build an app people keep.
Tell us your idea — a fresh concept, an MVP to validate, or a stalled project that needs rescuing. You’ll get a straight assessment within one business day, an honest native-vs-cross-platform steer, and a fixed-price option wherever the scope allows.