Mobile · AI · On-device

From idea
to launch

Building intelligent mobile experiences for Android and iOS — powered by on-device AI

See our work Get in touch

What we do

End-to-end mobile development

From your first wireframe to a live app on the store — we handle it all.

Android

Android Development

Native Android apps built in Kotlin — from system-level APIs to polished user interfaces. We specialise in performance, reliability, and real-world device compatibility.

iOS

iOS Development

Clean, native iOS apps built in Swift. Thoughtful UX that feels at home on every iPhone and iPad — from development to App Store submission.

On-device AI

Intelligent features powered by ML Kit and on-device models — no cloud dependency, no latency, no privacy concerns. AI that works offline, instantly.

React Native

Cross-platform

React Native for teams that need Android and iOS from a single codebase — without sacrificing the native feel users expect.


Our work

Products we have built

Real apps solving real everyday problems.

Android · Utility

QuietLock

An Android utility app that gives users precise control over Do Not Disturb — timed from 15 minutes to 12 hours, with biometric security to prevent unauthorised changes.

  • Timed DND automation — phone automatically reverts to normal mode
  • Biometric-gated access using AndroidX BiometricPrompt
  • Session-aware extension logic with re-authentication
  • Graceful fallback for devices without biometric hardware
Kotlin AndroidX BiometricPrompt DND APIs
Android · iOS · Multiplayer Game

Bingola

Classic Tambola (Housie) brought online — play live multiplayer with friends and family in private rooms, or challenge the computer offline in VS Computer mode.

  • Real-time multiplayer with server-authoritative number calling and claim validation
  • Private rooms with deeplink-based joining
  • Offline VS Computer mode with pause support
  • Live audio number announcements and multiple winning patterns
Unity Node.js Socket.io

Technology

Our tech stack

Tools we work with every day — chosen for reliability and real-world performance.

Kotlin Android
Swift iOS
ML Kit On-device AI
React Native Cross-platform
Java Backend
Spring Backend

Built by a developer who ships


Vatsyn Technologies is a mobile-focused technology studio founded by a developer with 16+ years of hands-on experience building Android, iOS, and AI-powered consumer apps. We know what it takes to go from a rough idea to something people actually use every day.

We build with quality at the core — handling edge cases, device compatibility, and security from day one. No shortcuts, no bloat. Just clean, reliable mobile software.

The studio is backed by deep industry experience spanning ride-hailing, e-commerce, and consumer utilities — including Android & iOS apps serving 100K+ users.

Follow us on LinkedIn
16+ Years of mobile development experience
2 Platforms — Android and iOS
AI On-device, offline, private by default
100% Mobile focused — Android, iOS and AI

Contact

Have a project in mind?

Tell us about your idea — we will get back to you within 24 hours.

Whether you have a fully-formed idea or just a rough concept — fill the form or tap the email button below. We typically respond within 24 hours.


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