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Hacker's Diet Offline vs trale: catalog facts
Hacker's Diet Offline	trale
Free Free and open source under the GPL-2.0-or-later license.	Free Free and open source under the AGPL-3.0 or later, with no ads.
Android	Android
Tracks weight and exercise Uses a weighted moving average to show weight trends	No ads or trackers Custom themes, dark mode and several units
Android only Online synchronization is optional and uses Hacker's Diet Online	Android only Focused on body weight alone
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: AGPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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