
Dotcom-Monitor
8.3#1 in website monitoring softwareFrom $13.33 a monthFree planAndroidiOSWebAPI
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Dotcom-Monitor suits teams that need website or server monitoring, keyword checks, or SSL expiry alerts across multiple targets. Its free plan is an option for those who can work within its listed target, location, alert, and retention limits; larger monitoring needs can look at subscription or enterprise plans.
Sitewatch suits agencies, freelancers, business owners, and teams responsible for one or more websites. Its deploy checks and alert channels may fit teams that want monitoring tied to deployment workflows.