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SparkyFitnessvsUnderstudy

Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

SparkyFitnessUnderstudy
Score66/10048/100
Rank in category#2 of 11 in Fitness Tracker#110 of 209 in AI Agents
GitHub stars6 504465
Stars, last 30 days+393+0
Stable releases, 12 months270
Latest releasev1.10.0 · 29 Oct 2026—
SetupModerateModerate
Official Docker imageYesNo
LicenseOtherMIT
Main languageTypescriptTypescript

Which one should you pick?

SparkyFitness scores 66/100 against 48/100 for Understudy, so it is the safer default.

SparkyFitness ships more often: 27 stable releases in the past year, against 0 for Understudy.

SparkyFitness is growing faster right now (+393 stars in 30 days).

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