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Intervals.icu vs TrainerRoad: catalog facts
Intervals.icu	TrainerRoad
Free Free to use.	Paid Plans start at $17.45 per month, with a 30-day money-back guarantee.
Web	Windows, macOS, Android, iOS, Web
Detailed fitness, fatigue and power curve analytics Separate zones and metrics per sport	Adaptive plans that adjust workouts to your results Structured, science-based workouts
Web only, requires an account Analytics depth can be a lot for casual users	Subscription only, with no free tier Built for structured training rather than scenic or social rides
Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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