Yes, both Candum and CHEQ.ONLINE offer a Free Trial.
Candum is designed for Medium Business and Small Business.
CHEQ.ONLINE is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Candum Starts at $9.99/Month whereas for CHEQ.ONLINE Starts at $15/Month when Billed Yearly.
Some top alternatives to Candum includes Uptime, CHEQ.ONLINE, Super Monitoring, DevMonitor.io, UpTime.onl, Monitis, Uptrends, 66uptime, WebForce Uptime and Pingt.io.
Some top alternatives to CHEQ.ONLINE includes Uptime, Uptime Robot, Easyping, DevMonitor.io, UpTime.onl, OffAlerts, SiteUptime, 66uptime and WebForce Uptime.