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Exist vs Track & Graph: catalog facts
Exist	Track & Graph
Paid Subscription service with a free trial.	Free Free and open source under the GPL-3.0 or later.
Web	Android
Combines automatic syncing with manual tracking Finds correlations between habits and outcomes	Track any kind of personal data you define Custom graphs for spotting patterns
Paid after the trial Relies on connecting third-party services	Android only You design your own trackers and graphs, which takes some setup
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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