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Intervals.icu vs GoldenCheetah: catalog facts
Intervals.icu	GoldenCheetah
Free Free to use.	Free Free and open source.
Web	Windows, macOS, Linux
Detailed fitness, fatigue and power curve analytics Separate zones and metrics per sport	Reads data directly from many power meters and bike computers Extensive power analysis tools
Web only, requires an account Analytics depth can be a lot for casual users	Interface is dense for newcomers Aimed mainly at cyclists and triathletes
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	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.