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Mathcha vs Platen: catalog facts
Mathcha	Platen
Free Used in the browser at no charge.	Free Free and open source under the GPL-3.0.
Web	Linux
Visual equation editing without memorising LaTeX syntax Diagrams drawn in the same document	Typst input with LaTeX translation Pasteback recovers the formula from pasted equations
Browser-based, so it depends on the online service Exported LaTeX may need tidying for strict templates	Linux only, distributed through Flathub Google Slides export is experimental
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
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 1, 2026

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