Comparison
HetrixTools is popular in the hosting world: a generous free plan, 1-minute checks and blacklist monitoring as its specialty. Clesk Uptime focuses on a German contract partner, euro end prices and signed check logs. The factual comparison.
Details about HetrixTools: as of July 2026, based on publicly available vendor information. Please verify there.
No, deliberately not. Clesk Uptime focuses on availability, SSL, keywords and cron jobs. If you need DNSBL monitoring for mail servers, specialist services like HetrixTools are the right tool.
The free plan is meant for getting to know the product permanently, not as a race for free limits. On Pro, Clesk Uptime checks every 60 seconds, for €79 per year including VAT.
Your account and monitors keep running and alerts keep arriving; there is no 90-day login requirement. Only a free account unused for more than twelve months may be deleted after an email notice with a grace period.
Three monitors free forever, set up in two minutes.
Monitor for free