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ArityCalc vs CalcYou: catalog facts
ArityCalc	CalcYou
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the GPL-3.0, with no ads.
Android	Android
Complex number support 2D graphing of multiple functions and their derivatives	Scientific calculator, unit converter and grapher in one app No ads or trackers
Developer says it will stop working on certified Android devices once Google's verification rule applies Android only	Currency rates only update with app releases Android only
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is 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.