Mobile App Development (iOS & Android)

We build mobile apps that users actually keep—fast, polished, and engineered for real-world conditions (bad internet included).

Overview

Mobile is where UX expectations go to the gym. Users expect smooth, instant, reliable experiences — and they uninstall fast when apps feel clunky.

DEVLEGION builds mobile apps with strong foundations: thoughtful UX, offline-ready patterns when needed, stable state management, and a backend that supports growth.

Whether you’re launching a new product or modernizing an existing app, we help you ship confidently and improve continuously.

Key Features

Everything you need to succeed

Cross-platform without compromises

React Native/Flutter delivery with native-grade UX patterns where it matters.

Performance + stability

Avoid common bottlenecks (render storms, memory leaks, slow startup) and keep crash rates low.

Push notifications done right

Event-driven notifications, segmentation, and rate-limiting—so users don’t mute you forever.

App store readiness

Release process, environments, versioning, and production hardening.

Technology Stack

Cutting-edge technologies and tools we use to deliver exceptional results

React Native
Flutter
TypeScript
Dart
Firebase
NestJS
PostgreSQL
MongoDB
Redis
Messaging Queues
AWS
gcp
Hetzner

Our Process

A proven methodology that delivers results

1

App scope & UX

Define key flows, screens, and app behavior under edge conditions.

2

Foundation & architecture

Navigation, state, API strategy, analytics, and release setup.

3

Build in increments

Ship features in slices with frequent demos.

4

Release & improve

Launch, monitor crashes/performance, and iterate based on real usage.

Transform Your Business

Let's discuss how we can help transform your business with our mobile app development (ios & android) services.

Contact Us