Planet Computers continues to develop applications for Planet devices - specifically designed for productivity on the Gemini PDA and Cosmo Communicator, and optimised for landscape orientation and keyboard use.


Our signature application for highly productive calendaring and to-do list activity. Featuring Day View, Week View, Month View, Year View, To-Do Lists View, Anniversary View and Timeline View for ultimate calendaring.

Compatible with all Android calendaring sources including Google accounts.



Data is a mobile database application for everyday users. It allows creation of databases, which you may find useful everyday - for work or home. Data has import and export features, allowing it to use existing data sources on the move.


Planet’s note taking and dictation app. Allows you to write simple notes or dictate them. Notes can include text, images, videos, voice recordings and camera shots. Notes can be sent to various Android apps.

Allows note dictation using Gemini’s Voice Assist button.



Coming Soon. Airmail® was the first ever mobile email for GSM phones.
We are bringing it back for Planet Devices.