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Tonfotos vs Fotocx: catalog facts
Tonfotos	Fotocx
Freemium Free download for Windows, macOS and Linux, with a paid version available.	Free Free and open source under the GPL version 3.
Windows, macOS, Linux, Android	Linux
Face recognition that learns from photos you have tagged Treats PC, drives and NAS as one archive	Editor and collection manager in one program No tracking or advertisements
Not open source Some features require the paid version	Linux only Small, single-developer project
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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