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GeoGebra vs ArityCalc: catalog facts
GeoGebra	ArityCalc
Best for: Students and teachers exploring graphs, geometry and algebra interactively	Best for: Students and engineers who want a graphing scientific calculator on Android
Free The math tools are free to use.	Free Free and open source under the Apache 2.0 licence.
Android, iOS, Web	Android
Graphing, geometry, 3D and scientific calculators in one family Dynamic geometry constructions you can drag and explore All 4 strengths for GeoGebra Graphing, geometry, 3D and scientific calculators in one family Dynamic geometry constructions you can drag and explore Large library of classroom resources Runs in the browser with no install	Complex number support 2D graphing of multiple functions and their derivatives All 4 strengths for ArityCalc Complex number support 2D graphing of multiple functions and their derivatives Animated 3D graphs Binary, octal and hexadecimal input
Many separate apps and features can be confusing at first Not open source	Developer says it will stop working on certified Android devices once Google's verification rule applies Android only
Downloadable app, Web application	Downloadable app
Not open source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for GeoGebra geogebra.org play.google.com/store/apps/details apps.apple.com/us/app/geogebra-calculator-suite/id1504416652 Catalog checked September 23, 2026	Official website Full listing and sources Sources for ArityCalc github.com/woheller69/Arity f-droid.org/packages/org.woheller69.arity Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.