upTom is described as 'Checks your websites every minute or larger intervals according to settings. If the website does not work it alerts you by email. Easy setup – just a simple signup form and then enter the name and URL of your website, then your website will be monitored' and is a Uptime Monitor in the Network & Admin category. There are more than 10 alternatives to upTom, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Chrome OS. Most alternatives are Uptime and Website Monitors. The best alternative is UptimeRobot, which is free. Other great sites and apps similar to upTom are Pingdom (Paid), Freshping (Free), StatusCake (Freemium) and NIXStats (Freemium).
Monitoring for your website or web application is conducted from over 30 locations around the globe. This global network ensures the availability of a monitoring site if there’s a region-specific weather event or other natural disaster.
* Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it.