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JEFIT vs Fast N Fitness: catalog facts
JEFIT	Fast N Fitness
Freemium Free to start, with paid plans and features.	Free Free and open source under the BSD-3-Clause licence.
Android, iOS	Android
Detailed custom plans with supersets, rest times and equipment Logging from phone or watch	Tracks both cardio and strength training Custom machines and exercises
Some features sit behind paid plans Proprietary app	Android only No releases published on GitHub
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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