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