Yes, both OnWebChange and WebForce Uptime offer a Free Trial.
OnWebChange is designed for Large Enterprises, Medium Business and Small Business.
WebForce Uptime is designed for Medium Business and Small Business.
The starting price of WebForce Uptime begins at $6/Month, while pricing details for OnWebChange are unavailable.
Some top alternatives to OnWebChange includes Distill, Super Monitoring, PageCheck, Pagescreen, Dotcom Monitor, Uptrends, Visualping, PageCrawl, LinkUpdater and PageWatch.
Some top alternatives to WebForce Uptime includes Uptime, Uptime Robot, Better Uptime, UpTime.onl, SiteUptime, Uptrends, 66uptime, Pingt.io and 4Uptime.