Both are hosted services that watch SSL/TLS certificates and email before they expire. Neither is an uptime monitor.
| CertAvert | TrackSSL | |
|---|---|---|
| Main product | Certificate and domain monitor | Certificate monitor |
| How it runs | Hosted, nothing to install | Hosted |
| Free | 15 domains | 2 certificates |
| Paid plans | Starter 25, $50 a year; Plus 50, $100 a year; Pro 100, $150 a year (domains) | Starter 20, $19 a month; Growth 80, $39; Complete 200, $79; Scale 500, $149 (a month free paid yearly) |
| Billing | Yearly | Monthly or yearly |
| Users per account | 1 | 1 to 5, by plan |
| How often it checks | Twice a day | Not found |
| Expiry alert days | 30 and on expiry (Free); 30, 14, 7 and on expiry (Starter); your own days (Plus, Pro) | You choose |
| Short-lived certificates | Alerts at a quarter of the lifetime (under 80 days) | Not found |
| Ports other than 443 | Any port | Not found |
| Untrusted certificate or wrong name | Shown with the reason; emailed on paid plans | Not found |
| Chain check (missing intermediates) | Yes | Not found |
| Revocation check | Yes OCSP or CRL | Not found |
| Renewal window (ARI) | Yes | Not found |
| Post-quantum key exchange | Yes | Not found |
| Certificate change alerts | Shown on every plan; emailed on paid plans | Yes |
| Certificate Transparency logs | Lists other names under your domains; no alert for new ones | New-certificate alerts "Coming soon" |
| Domain name expiry | Registration dates on every plan; reminder emails on paid plans | Not found |
| Alert channels | Email, Slack, Discord, Teams | Email, Slack, SMS; Teams from Growth; webhooks on Complete and Scale |
| API | No | Growth and up |
| Status pages | No | Not found |
| Internal certificates | No the free certavert-scan runs on your own network | Complete and Scale, in beta |
| Audit report | Pro (PDF and CSV, checked at /verify) | Not found |
"Not found": we couldn't find it on TrackSSL's pages, which doesn't mean it isn't there. TrackSSL is a trademark of its owner; CertAvert isn't affiliated with it.
TrackSSL fits better if you need SMS, webhooks, an API, several users or internal certificates. CertAvert fits better for more domains free or on a cheaper yearly plan, and for chain, revocation, renewal window and post-quantum checks.
Sources: trackssl.com, trackssl.com/pricing, trackssl.com/internal-ssl-certificate-monitoring
We check each product's own pages and do our best to keep this right, but mistakes are possible and products change. Something wrong or out of date? Write to support@certavert.com.