Flex vs LiftTrace

Comparing two open source alternatives to Hevy and Strong and FitNotes and Fitbod and JEFIT. Use the comparison below to decide which one fits your needs.

Flex

MIT

Offline-first workout tracker for strength training and cardio with progress graphs, background rest timers and a local database.

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LiftTrace

AGPL-3.0

LiftTrace is a self-hosted weightlifting tracker that runs in a single Docker container. AGPL-3.0, no telemetry, no cloud sync — your lifting data stays on your own hardware.

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Side-by-side comparison

	Flex	LiftTrace
License	MIT	AGPL-3.0
Self-hostable	No	Yes
GitHub Stars	453	122
Forks	50	16
Open Issues	4	12
Last Commit	Nov 1, 2026	Oct 31, 2026
First Released	Feb 26, 2024	May 24, 2026
Categories	Fitness tracking Tools	Fitness tracking Tools
Tags	#fitness #workout-tracker #gym #weightlifting #strength-training	#fitness #workout-tracker #weightlifting #pwa #self hosted

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