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TrainerDay vs FulGaz: catalog facts
TrainerDay	FulGaz
Best for: Cyclists who want structured interval training on a budget	Best for: Indoor cyclists who prefer real road video to virtual worlds
Free + paid options Free tier available; subscription is $4.99 a month or $3.33 a month billed annually.	Paid A$21.99 monthly or A$14.99 per month billed annually, after a 14-day free trial.
Android, iOS	Windows, macOS, Android, iOS
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	More than 2,000 real-world rides from over 60 countries Trainer control that simulates the terrain All 4 strengths for FulGaz More than 2,000 real-world rides from over 60 countries Trainer control that simulates the terrain Works with other training platforms Annual plan includes a free account for a family member
Full features require a subscription Focused on cycling rather than general fitness	Paid subscription after the trial Needs a supported smart trainer for resistance control
Downloadable app	Downloadable app
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 FulGaz fulgaz.com play.google.com/store/apps/details apps.apple.com/us/app/fulgaz-indoor-cycling-app/id913407169 Catalog checked September 23, 2026

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