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Tonfotos vs KPhotoAlbum: catalog facts
Tonfotos	KPhotoAlbum
Freemium Free download for Windows, macOS and Linux, with a paid version available.	Free Free KDE community software.
Windows, macOS, Linux, Android	Linux
Face recognition that learns from photos you have tagged Treats PC, drives and NAS as one archive	Fast tagging workflow for large batches of photos Searches combine people, places and custom categories
Not open source Some features require the paid version	Organizes photos rather than editing them Tagging a large archive still takes up-front effort
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
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.