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Trayzero vs OmniFocus: catalog facts
Trayzero	OmniFocus
Free Free and open source under the GPL 3.0.	Paid One-time purchase or subscription, with a 14-day free trial.
Android	macOS, iOS, Web
Designed around the GTD workflow Capture button on every screen and capture from the share menu	Deep integration with Apple devices Quick capture to an Inbox from anywhere
Android only No mention of sync between devices	Native apps only for Apple platforms Paid after the trial
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
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 September 23, 2026

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