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TrainerDay vs Ewoc: catalog facts
TrainerDay	Ewoc
Best for: Cyclists who want structured interval training on a budget	Best for: Indoor cyclists who want structured trainer workouts on Android without a subscription
Free + paid options Free tier available; subscription is $4.99 a month or $3.33 a month billed annually.	Free Free and open source under the GPL-3.0 licence.
Android, iOS	Android
More than 40,000 structured workouts Flexible plan building for indoor and outdoor riding All 4 strengths for TrainerDay More than 40,000 structured workouts Flexible plan building for indoor and outdoor riding Low subscription price Useful free tier without a credit card	Works with FTMS-compatible smart trainers over Bluetooth Imports ZWO workout files All 4 strengths for Ewoc Works with FTMS-compatible smart trainers over Bluetooth Imports ZWO workout files Bluetooth heart-rate sensor support Workouts stored as local files
Full features require a subscription Focused on cycling rather than general fitness	Very new project with few users No tagged releases on GitHub yet
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0-or-later
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 Sources for TrainerDay trainerday.com Catalog checked September 24, 2026	Official website Full listing and sources Sources for Ewoc github.com/Ewoc2026/ewoc f-droid.org/packages/io.github.ewoc2026.ewoc Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.