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

Smart Silence

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 · Utility

Fake Call Scheduler

Schedule a realistic incoming call from 1 to 30 minutes away — complete with system ringtone, vibration, custom caller ID, and a live call timer after answering.

  • Exact alarm scheduling — fires precisely even in doze mode
  • Realistic incoming call UI that shows over the lock screen
  • Custom caller name and phone number
  • Live call timer and one-tap end call
Kotlin AlarmManager Full Screen Intent RingtoneManager

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

About

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.

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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