Yes, both CheckDuck and aliveDomain offer a Free Trial.
CheckDuck is designed for Large Enterprises, Medium Business and Small Business.
aliveDomain is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CheckDuck Starts at $9.99/Month whereas for aliveDomain Starts at $3.99/Month.
Some top alternatives to CheckDuck includes Netpeak Spider, Screpy, Domain Monitor, Qualified, yesterday's Domains, Workvivo, aliveDomain, DomainWatch, Xpired, IFTTT and Domain Scout.
Some top alternatives to aliveDomain includes UpTime.onl, Nodeify, R2DTools, Nodown, Domain Monitor, Qualified, yesterday's Domains, Workvivo, DomainWatch, CheckDuck, IFTTT and Domain Scout.