Yes, both CoderPad and HackerEarth offer a Free Trial.
CoderPad is designed for Large Enterprises, Medium Business and Small Business.
HackerEarth is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CoderPad Starts at $1,500/Month whereas for HackerEarth Starts at $119/Month.
Some top alternatives to CoderPad includes LeetCode Interview, CodingView.io, Codility, Codejudge, HackerEarth, SkillRobo, HackerRank, KillerCoder.io, Codidate and CodeSignal.
Some top alternatives to HackerEarth includes DevScreen, Qualified, Workvivo, eSkill, Codility, Codejudge, TalScale, CoderPad, HackerRank, KillerCoder.io and Codidate.