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CalcYou vs OpenCalc: catalog facts
CalcYou	OpenCalc
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Scientific calculator, unit converter and grapher in one app No ads or trackers	Small download with no unnecessary permissions Scientific mode and calculation history
Currency rates only update with app releases Android only	Android only No releases published on the GitHub repository
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	Not stated if it 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.