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Calculator M3 vs ArityCalc: catalog facts
Calculator M3	ArityCalc
Free Free and open source under the GPL 3.0, with no ads.	Free Free and open source under the Apache 2.0 licence.
Android	Android
No data collection or network use for calculations Scientific functions and calculation history	Complex number support 2D graphing of multiple functions and their derivatives
Android only On-device AI models need extra storage and a capable phone	Developer says it will stop working on certified Android devices once Google's verification rule applies Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
No account needed	Not stated if an account is needed
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.