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TrainerDay vs TrainingPeaks: catalog facts
TrainerDay	TrainingPeaks

Best for: Cyclists who want structured interval training on a budget	Best for: Endurance athletes following structured training, and their coaches
Free + paid options Free tier available; subscription is $4.99 a month or $3.33 a month billed annually.	Free + paid options Free sign-up with paid plans for additional features.
Android, iOS	Android, iOS, Web
More than 40,000 structured workouts Flexible plan building for indoor and outdoor riding Low subscription price Useful free tier without a credit card	Built for athletes and coaches working together Structured workouts and plans from coaches Covers running, cycling, triathlon and strength work Syncs workouts from many devices
Full features require a subscription Focused on cycling rather than general fitness	Many features need a paid plan More complex than a simple run tracker
Downloadable app	Downloadable app, Web application
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Account 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 TrainingPeaks trainingpeaks.com play.google.com/store/apps/details apps.apple.com/us/app/trainingpeaks-plan-train-lift/id40804… Catalog checked September 23, 2026

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