Yes, both KissFront and WatchSumo offer a Free Trial.
KissFront is designed for Medium Business and Small Business.
WatchSumo is designed for Medium Business and Small Business.
The starting price of WatchSumo begins at $7/Month, while pricing details for KissFront are unavailable.
Some top alternatives to KissFront includes PageCheck, Wattspeed, GTmetrix, Uptrends, SolarWinds Pingdom, Hexometer, Pingt.io, Beacon, PageWatch and Speedrank.
Some top alternatives to WatchSumo includes Uptime, Super Monitoring, UpTime.onl, Netumo, Uptrends, pingnow.io, WebForce Uptime, Pingt.io and Statsignal.