GLASSI PHONE is a free Android application developed by It Tech It Services. It allows users to check the compatibility of their phone's protection glass with other glasses in two categories: Ordinary Glass or 11D/9D glasses. The app also allows users to collaborate and submit proposals for new smartphones, brands, or relationships to be integrated into the app's database.

The app's interface is simple and user-friendly. The home screen displays two categories: Ordinary Glass and 11D/9D glasses. Users can select the appropriate category and then choose their phone's brand and model.

GLASSI PHONE's database is regularly updated with new smartphones and protection glasses, ensuring that users can access the most up-to-date information. The app's collaboration feature also allows users to contribute their knowledge and experience to improve the app's utility for everyone.