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RUNALYZE vs Xert: catalog facts
RUNALYZE	Xert
Freemium Free account available, with a paid Premium tier.	Paid Paid service with a free 30-day trial.
Web	Web
Works with data from many device makers VO2max estimate and race predictions	Estimates fitness without dedicated FTP tests Real-time feedback during training
Requires an account and upload of your data Some features are behind Premium	Requires an account and a paid plan after the trial Proprietary hosted service
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 24, 2026

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