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Instagantt vs GanttPRO: catalog facts
Instagantt	GanttPRO
Freemium Free plan available, with paid plans for more features.	Paid Paid plans with a 14-day free trial of premium features.
Web	Android, iOS, Web
Drag-and-drop Gantt scheduling with dependencies Baselines and milestones	Critical path and dependency support Work breakdown structure planning
Focused on timelines rather than full work management Hosted only	Premium features require a paid plan after the trial Centred on Gantt planning rather than general task boards
Web application, Hosted service	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	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.