Yes, both Cronitor and Qualified offer a Free Trial.
Cronitor is designed for Large Enterprises, Medium Business and Small Business.
Qualified is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Cronitor begins at $21/Month when Billed Yearly, while pricing details for Qualified are unavailable.
Some top alternatives to Cronitor includes Uptime, CHEQ.ONLINE, Uptime Robot, Better Uptime, WebSitePulse, UpTime.onl, Monitis, Uptrends, SolarWinds Pingdom and Pingt.io.
Some top alternatives to Qualified includes CodeScan, AnalyticsVerse, eSkill, Codejudge, CoderPad, DevSkiller, DoSelect, HackerRank and KillerCoder.io.