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Cert Spotter vs TrackSSL: catalog facts
Cert Spotter	TrackSSL
Paid Paid monitoring service with a 30-day free trial.	Freemium Free sign-up tier with paid plans for more monitoring.
Web	Web
Alerts on any newly issued certificate for your domains via Certificate Transparency logs Catches expired, revoked and misinstalled certificates	Expiry alerts through email, Slack, SMS and Teams Notifies on certificate changes, useful for checking renewal automation
Paid after the 30-day trial Hosted service only	Focused on certificates rather than general uptime Hosted service only
Web application, Hosted service	Web application, Hosted service
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 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.