iOS · android · cross
Grey matters,
code delivers
From concept to App Store — clean architecture, sharp design, and full-cycle development. Monochrome thinking, full‑color results.
▸ 50+ apps▸ since 2018
iPhone 15◉ iOS
black / white
iPad ProUI/UX
Wear OS
SwiftUIKotlinReact NativeFlutterNode.jsGraphQLFirebasePostgreSQLFigma
what we do
End‑to‑end development
Every card includes a detailed view — click to learn more.
iOS & watchOS
Swift, SwiftUI, Widgets, Live Activities. Clean architecture.
App Store & TestFlight
In‑app purchases, CoreML
Android
Kotlin, Jetpack Compose, Material. Phones, tablets, foldables.
Google Play, Firebase
In‑app billing
Cross‑platform
React Native, Flutter — one codebase, two stores.
Reusable components
Native performance
Backend & APIs
Node.js, GraphQL, REST, cloud infrastructure.
AWS / Firebase / Supabase
Real‑time data
UI/UX & prototyping
Figma, wireframes, design systems, user testing.
High‑fidelity mockups
Accessibility (WCAG)
ASO & launch
Keyword optimization, release management, analytics.
A/B testing metadata
Crash reporting & retention
how we work
From zero to app store
1. Discovery
Requirements, user stories, tech feasibility.
2. Design
Wireframes, interactive prototypes, visual design.
3. Development
Agile, code reviews, CI/CD, internal builds.
4. Launch & iterate
Store deployment, ASO, monitoring, updates.
