📱 Independent Mobile Developer

Apps built
with intention

iOS & Android apps crafted for productivity, privacy, and brain training. Sharing knowledge through our developer blog.

5
Published Apps
iOS + Android
Cross-platform
EN / VI
Bilingual Blog
Products

Our Apps

Five apps, built from scratch. Each one solving a real problem.

AI Keyboard icon
AI Keyboard
Grammar Fix, Tone & Translate

Write smarter. Sound better. Your personal AI writing assistant built right into your keyboard — every app, every message.

  • Rewrite text in Casual, Friendly, or Professional tone instantly
  • AI-generated smart replies in the tone you choose
  • Grammar fix — catch and correct errors as you type
  • Translate text into any language, instantly
AI Keyboard screenshot
AI Keyboard screenshot
VaultKeep icon
VaultKeep
Store IDs, Passport & Papers

Your secure digital document vault. Store, organise, and protect all important personal documents — always at your fingertips.

  • 12 document categories: ID, passport, health, finance & more
  • Expiry reminders with customizable notifications
  • Manage documents for the whole family in one place
  • Biometric auth & on-device storage for maximum privacy
VaultKeep screenshot
VaultKeep screenshot
Focus Timer icon
Focus Timer
Pomodoro · Tasks · Deep Work

Boost productivity with the proven Pomodoro technique. Focus deeper, finish tasks faster, and track your progress over time.

  • Pomodoro timer with 25/5 sessions and auto-start breaks
  • Smart task management with priorities and deadlines
  • Session stats and productivity trends
  • Live coworking rooms with real-time team sync
Focus Timer screenshot
Focus Timer screenshot
BrainIQ icon
BrainIQ — Train Your Brain
IQ Tests & Brain Games

Challenge your mind with stimulating IQ tests and brain teasers. Designed to measure and enhance cognitive abilities through daily training.

  • Captivating brain games that challenge your mental faculties
  • Math practice focused on real problem-solving skills
  • Daily training sessions to cultivate long-term intelligence
  • Suitable for all ages and expertise levels
BrainIQ screenshot
BrainIQ screenshot
BrainIQ v2 icon
BrainIQ — Logic Brain Games
Puzzles & Logic Challenges

The ultimate IQ puzzle game. Train logic, memory, and problem-solving with a diverse collection of addictive brain teasers.

  • Knight Tour — chess-based spatial reasoning challenge
  • River Crossing — classic transport logic puzzle
  • N-Queens — strategic chess board puzzle
  • Light Off, Beer Pouring, Coin Flip & more
BrainIQ Logic screenshot
BrainIQ Logic screenshot