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Desmos vs Photomath: catalog facts
Desmos	Photomath
Free The calculators are free to use.	Freemium Basic tier is free; a paid plan billed annually adds extra help.
Web	Android, iOS
Graphing, scientific, geometry and 3D calculators in one place Runs in the browser with nothing to install	Camera scanning of printed problems, including word problems Step-by-step explanations in the free tier
Web-based, so it needs a browser and connection Not open source	Mobile only, with no desktop version Some explanations and tips require the paid plan
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.