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RUNALYZE vs Intervals.icu: catalog facts
RUNALYZE	Intervals.icu
Freemium Free account available, with a paid Premium tier.	Free Free to use.
Web	Web
Works with data from many device makers VO2max estimate and race predictions	Detailed fitness, fatigue and power curve analytics Separate zones and metrics per sport
Requires an account and upload of your data Some features are behind Premium	Web only, requires an account Analytics depth can be a lot for casual users
Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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