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TrustyTodo vs Planify: catalog facts
TrustyTodo	Planify
Free Free to download from Flathub; the listing does not specify a charge.	Free Free and open source.
Linux	Linux
Works with CalDAV task servers Supports recurring tasks	Syncs with Todoist, Nextcloud and CalDAV Native GNOME design
Requires a CalDAV server	Linux only Designed around GNOME, so it looks out of place on other desktops
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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