Compare software

Digital Calculator vs Fossify Calculator: catalog facts
Digital Calculator	Fossify Calculator
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0 licence, with no ads.
Android	Android
Works with an external Bluetooth keyboard Dark theme that follows the system setting	No internet permission, ads or tracking Calculation history
Basic arithmetic calculator rather than a scientific one Development is infrequent	Not a full scientific or graphing calculator Android only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.