Jcounting
Accounting tools designed to help small businesses keep track of their numbers.
View on Google Play ↗Independent app developer
Apps made useful.
Ideas made real.
ThreeJ creates practical Android apps for productivity, learning and everyday entertainment. Explore our apps and find the tools that fit your life.
Explore our apps ↘Made by ThreeJ
Our apps
A growing collection of Android apps and games. Select an app to view its Google Play listing.
ThreeJ Media
Compress photos and videos to help save storage space and make sharing easier.
View on Google Play ↗
Han Learning
Chinese learning tools with character drawing recognition and Chinese–English dictionary features.
View on Google Play ↗
HanPDF
PDF tools to help you work with documents on your Android device.
View on Google Play ↗
XanCalc
A calculator app built for everyday calculations.
View on Google Play ↗
Break the Crystal
An arcade game about bouncing balls, breaking crystals and progressing through levels.
View on Google Play ↗
ThreeJ Bible
Bible reading with notes, bookmarks, search and audio playback.
View on Google Play ↗Who we are
Built with curiosity.
Made for everyday use.
ThreeJ is an independent app brand focused on creating useful mobile experiences—from business and productivity tools to learning apps and casual games. We keep exploring ideas and improving our apps based on user feedback.
Our focus
- Practical Android apps
- Simple, approachable experiences
- Continuous improvement
- Tools and games for different needs
Get in touch
Questions or feedback?
For app support, suggestions or business enquiries, contact the ThreeJ team.
Email: johnecheah@gmail.com