Yes, both Codidate and CoderPad offer a Free Trial.
Codidate is designed for Individuals, Freelancers, Medium Business and Small Business.
CoderPad is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Codidate Starts at $49/Month whereas for CoderPad Starts at $1,500/Month.
Some top alternatives to Codidate includes LeetCode Interview, CodingView.io, Qualified, Workvivo, ViewCoder, HackerPen, CoderPad, Interview Sandbox, HackerRank, KillerCoder.io and IFTTT.
Some top alternatives to CoderPad includes LeetCode Interview, CodingView.io, Codility, Codejudge, HackerEarth, SkillRobo, HackerRank, KillerCoder.io, Codidate and CodeSignal.