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OnTime - Presentation Timer vs Ontime: catalog facts
OnTime - Presentation Timer	Ontime
Free Free and open source under the GPL-3.0-or-later licence.	Freemium The self-run app is free and open source; Ontime Cloud and PRO are paid hosted options.
Android	Windows, macOS, Linux, Web
Full-screen colour signal is readable from a distance Two configurable warning points	Many purpose-built views for stage, backstage, operators and studio clocks Runs locally on Windows, macOS and Linux
Single-purpose timer with few other features Small project with a limited contributor base	Specialised for live events rather than general scheduling Real-time collaboration features are part of the paid cloud offering
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License: GPL-3.0-or-later	License not stated
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 2, 2026

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