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solidtime vs Harvest: catalog facts
solidtime	Harvest
Free Free and open source to self-host; a hosted cloud version is also offered.	Paid Paid subscription with a free 30-day trial and no credit card needed to start.
Web, Self-hosted, Browser extension	Windows, macOS, Android, iOS, Web, Browser extension
Clean, modern interface Flexible billable rates	Timers, timesheets and calendar-based time entry Invoices generated from tracked time
No invoicing described in its feature list Self-hosting requires following separate guides	Paid after the trial period Hosted service; data lives on Harvest's servers
Downloadable app, Self-hosted, Hosted service, Browser extension	Downloadable app, Web application, Browser extension
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is 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 September 24, 2026

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