iOS & Android Development Studio

We Build Apps
People Love

DJCG transforms your ideas into powerful iOS and Android applications. From startup MVPs to enterprise-grade platforms — we deliver excellence at every pixel.

50+
Apps Delivered
5★
Client Rating
7+
Years Experience
9:41
iOS Native
Swift & SwiftUI
Android
Kotlin & Jetpack
Scroll to explore
What We Do

Our Services

From strategy to deployment — comprehensive mobile development services tailored to your goals.

iOS Development

Native iOS apps built with Swift and SwiftUI. Blazing fast performance, beautiful interfaces, and deep integration with Apple's ecosystem.

  • SwiftUI & UIKit
  • App Store Publishing
  • ARKit, CoreML & more

Android Development

Modern Android apps with Kotlin and Jetpack Compose. Clean architecture, Material 3 design, and seamless Google ecosystem integration.

  • Kotlin & Jetpack Compose
  • Google Play Publishing
  • Maps, ML Kit & Firebase

Cross-Platform

One codebase, two platforms. React Native and Flutter solutions that maintain native-like performance while cutting development time.

  • React Native & Flutter
  • Code Sharing ~80%
  • Faster Time-to-Market

UI/UX Design

Research-driven, pixel-perfect design systems. We craft intuitive interfaces that users love and that convert visitors into loyal customers.

  • Figma Prototyping
  • User Research & Testing
  • Design Systems

API & Backend

Scalable server-side infrastructure to power your app. REST & GraphQL APIs, real-time features, and cloud deployment on AWS or GCP.

  • REST & GraphQL APIs
  • AWS / GCP / Firebase
  • Real-time & WebSockets

QA & Maintenance

Rigorous testing across devices, post-launch monitoring, and proactive updates to keep your app running flawlessly long after launch.

  • Automated & Manual Testing
  • Crash Monitoring
  • OS Update Support
How We Work

Our Process

A transparent, agile-driven workflow that keeps you informed and in control every step of the way.

1

Discovery

Deep-dive workshops to understand your vision, users, and business goals. We define scope and craft a solid product strategy.

2

Design

Wireframes, interactive prototypes, and full UI systems. You review and approve every screen before a single line of code is written.

3

Development

Agile sprints with bi-weekly demos. Clean, documented code with CI/CD pipelines ensuring stable, rapid iteration toward your vision.

4

Launch & Scale

Store submission, launch monitoring, and post-release support. We stay with you as your app grows, optimizing and scaling as needed.

Portfolio

Case Studies

Real apps, real results. Here's a glimpse of what we've built for our clients.

Portfolio +24.5%
$48,250
FinTech iOS + Android

WealthTrack Pro

A personal investment tracker with real-time portfolio analytics, AI-driven insights, and bank-grade security. 100K+ downloads in 3 months.

100K+
Downloads
4.9★
App Store
3 mo
Timeline
Heart Rate Normal
72 bpm
HealthTech iOS

VitaSync Health

Holistic health monitoring app integrating Apple Watch, continuous glucose monitors, and AI coaching for personalized wellness plans.

50K+
Active Users
4.8★
App Store
4 mo
Timeline
Your Cart 3 items
$29
$45
Checkout $74
E-Commerce iOS + Android

ShopNow Marketplace

Full-featured marketplace app with AR try-on, AI recommendations, instant checkout, and live-stream shopping events.

$2M+
GMV / Month
4.7★
Play Store
5 mo
Timeline
Our Stack

Technology Expertise

We leverage battle-tested tools and cutting-edge frameworks to build robust, performant mobile experiences.

iOS
Swift SwiftUI UIKit Xcode CoreData ARKit
Android
Kotlin Jetpack Compose Room Coroutines Hilt
Cross-Platform
React Native Flutter Dart TypeScript Expo Redux
Backend & Cloud
Node.js Firebase AWS PostgreSQL GraphQL Docker

Tools & platforms we're certified in

AWS
Firebase
Google Play
App Store
GitHub

Ready to Build Your App?

Let's turn your idea into a product your users will love. Free consultation — no strings attached.

Book a Free Call
Let's Talk

Get in Touch

Have a project in mind? Tell us about it. We respond within 24 hours.

DJ
DJCG
Mobile Development Studio
Location
Żołędowo, Poland
Working Hours
Mon – Fri, 9:00 – 18:00 CET

We typically reply within 24 hours