SERVICE // MOBILE APP DEVELOPMENT

Mobile App Development

Native and cross-platform mobile applications for iOS and Android — designed for performance, built for scale, and shipped to the App Store.

React Native & Expo
iOS & Android Native
Offline-First Architecture
App Store Deployment
React NativeExpo
4.9App Store
iOS + AndroidUnified
PushLive
9:41
Good morning
Dashboard
Active Users
12.4k
↑ 18%
Sessions
48.2k
↑ 24%
Revenue$34.2K
New Order#1847
PaymentStripe
WHY IT MATTERS
NATIVE VS HYBRID
Your users live on mobile.

Over 70% of digital interactions happen on a phone. A dedicated mobile app gives you direct access to your audience — faster engagement, higher retention, and a presence that lives one tap away on their home screen. We build apps that feel native, perform flawlessly, and scale with your business.

Reach Users Everywhere

Be in your customers' pockets on both iOS and Android with a unified, cohesive experience.

Offline-First Capability

Apps that work seamlessly and queue updates locally even without an active internet connection.

Push Notifications & Engagement

Keep users engaged with targeted push notifications, activity alerts, and real-time deep links.

Native Performance

Smooth 60fps animations, instant gesture response, and hardware-accelerated rendering.

OUR MOBILE SERVICES

End-to-end mobile app engineering.

From initial concept and platform selection to app store submission and continuous release cycles — we cover the complete mobile lifecycle.

Mobile App Consulting

Strategic advisory on platform choice, architecture, monetisation models, and roadmap planning — before a single line of code is written.

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Mobile App UI/UX Design

Pixel-perfect, platform-native interface design with interactive prototypes, micro-interactions, and usability testing built into every screen.

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Native App Development

Full-stack iOS (Swift / SwiftUI) and Android (Kotlin / Jetpack Compose) development for maximum performance and platform-specific features.

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Cross-Platform Development

React Native and Flutter apps that share a single codebase across iOS and Android — shipping faster without sacrificing native feel.

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Backend & API Engineering

Scalable backend services, REST/GraphQL APIs, real-time data sync, push notification infrastructure, and cloud-native deployments.

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Maintenance & Support

Post-launch engineering support — OS updates, store compliance, performance monitoring, bug fixes, and feature iterations on a retainer.

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OUR PROCESS
6-PHASE METHODOLOGY
A proven roadmap to App Store success.

Building mobile apps requires meticulous platform compliance and rigorous real-device testing. Our sprint-based process guarantees smooth gestures, offline capability, and 100% store approval.

01
PLAN1 – 2 Weeks

Ideation & Planning

We analyse your market, define user personas, map core features, choose the right platform strategy (native vs. cross-platform), and produce a detailed product brief with scope, milestones, and budget.

02
DESIGN2 – 3 Weeks

UI/UX Design

Wireframes, user flows, and high-fidelity mockups following iOS Human Interface Guidelines and Material Design. Interactive prototypes are tested and iterated before engineering begins.

03
BUILD6 – 12 Weeks

Development & Integration

Modular, strictly-typed code written in weekly sprints. Backend APIs, push notifications, payment gateways, and third-party integrations are built and deployed to staging every sprint.

04
TEST2 – 3 Weeks

Testing & QA

Comprehensive manual and automated testing across real devices — performance profiling, accessibility audits, regression suites, and edge-case coverage before every release.

05
SHIP1 Week

App Store Launch

Full App Store and Google Play submission management — metadata, screenshots, review compliance, staged rollout, and post-launch crash monitoring.

06
EVOLVEOngoing

Support & Maintenance

Ongoing OS compatibility updates, performance optimisation, feature iterations, store listing management, and uptime monitoring on a flexible retainer.

READY TO START?

Let's map out your project together.

Ready to launch on iOS and Android? Let's map your app roadmap.

TECHNOLOGY

Built with proven mobile frameworks.

We use battle-tested mobile frameworks and cloud infrastructure to deliver apps that feel native, perform at 60fps, and scale to millions of users.

React Native
Expo
Flutter
Swift
Kotlin
TypeScript
Firebase
Node.js
React Native
Expo
Flutter
Swift
Kotlin
TypeScript
Firebase
Node.js
PostgreSQL
Redux
GraphQL
Docker
AWS
Git
Figma
Xcode
PostgreSQL
Redux
GraphQL
Docker
AWS
Git
Figma
Xcode
WHY CHOOSE US
10 DIFFERENTIATORS

Built like products, not disposable apps.

We don't build sluggish web wrappers. We engineer native and cross-platform mobile apps with 60 FPS fluid gestures, offline-first reliability, and guaranteed App Store approval.

What you getKlaasOthers
Dedicated Senior Mobile Architect
60 FPS Fluid Native Gestures & Animations
Bi-Weekly TestFlight & Internal Testing Builds
App Store & Google Play Launch Guarantee
True Offline-First Architecture & Sync
Full Source Code & Repository Ownership
Cross-Platform Parity (iOS & Android Shared Core)
Integrated Push Notifications & Deep Links
Post-Launch OS Update & SDK Maintenance
Direct Slack/Teams Communication with Engineers

Ready to launch an app users love? Talk directly with our mobile engineering lead.

SELECTED WORK
Mobile apps we've shipped to production.
ParkSync Mobile — Smart Mobility & IoT
2025
React NativeExpoGo

Seamless parking & access right from the pocket

A cross-platform mobile application with license-plate recognition integration, instant touchless gate clearance, and integrated e-wallet checkout.

85k+
Active drivers
4.9★
App Store rating
FinPulse Pay — FinTech & Digital Banking
2026
FlutterDartFirebase

Next-gen personal finance built for high velocity

A consumer banking and multi-currency transfer app featuring biometric authentication, real-time FX conversions, and sub-100ms push settlement.

140k+
Monthly transactors
4.9★
App Store rating
FitFlow Athletic — Health & Wearable Tech
2025
React NativeExpoHealthKit

Personalized athletic coaching synced with wearables

A cross-platform fitness companion with live biometric telemetry, offline workout caching, and adaptive training algorithms.

50k+
Active athletes
60 FPS
Native gesture rate
ParkSync Mobile — Smart Mobility & IoT
2025
React NativeExpoGo

Seamless parking & access right from the pocket

A cross-platform mobile application with license-plate recognition integration, instant touchless gate clearance, and integrated e-wallet checkout.

85k+
Active drivers
4.9★
App Store rating
FinPulse Pay — FinTech & Digital Banking
2026
FlutterDartFirebase

Next-gen personal finance built for high velocity

A consumer banking and multi-currency transfer app featuring biometric authentication, real-time FX conversions, and sub-100ms push settlement.

140k+
Monthly transactors
4.9★
App Store rating
FitFlow Athletic — Health & Wearable Tech
2025
React NativeExpoHealthKit

Personalized athletic coaching synced with wearables

A cross-platform fitness companion with live biometric telemetry, offline workout caching, and adaptive training algorithms.

50k+
Active athletes
60 FPS
Native gesture rate

Have a mobile app ready to build?

Speak directly with a senior mobile architect. We review your concept, recommend native vs. cross-platform, and provide a sprint-by-sprint release roadmap.