Compare software

CalcYou vs Fossify Calculator: catalog facts
CalcYou	Fossify Calculator
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GPL-3.0 licence, with no ads.
Android	Android
Scientific calculator, unit converter and grapher in one app No ads or trackers	No internet permission, ads or tracking Calculation history
Currency rates only update with app releases Android only	Not a full scientific or graphing calculator Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	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.