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GanttPRO vs OmniPlan: catalog facts
GanttPRO	OmniPlan
Paid Paid plans with a 14-day free trial of premium features.	Paid Bought once or by subscription, with a free 14-day trial.
Android, iOS, Web	macOS, iOS
Critical path and dependency support Work breakdown structure planning	Interval and effort tracking with customizable resources Multi-project dashboards across a portfolio
Premium features require a paid plan after the trial Centred on Gantt planning rather than general task boards	Apple platforms only Paid after the trial
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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.