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CalcYou vs Calculator M3: catalog facts
CalcYou	Calculator M3
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GPL 3.0, with no ads.
Android	Android
Scientific calculator, unit converter and grapher in one app No ads or trackers	No data collection or network use for calculations Scientific functions and calculation history
Currency rates only update with app releases Android only	Android only On-device AI models need extra storage and a capable phone
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
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.