Yes, both KillerCoder.io and CoderPad offer a Free Trial.
KillerCoder.io is designed for Large Enterprises, Medium Business and Small Business.
CoderPad is designed for Large Enterprises, Medium Business and Small Business.
The starting price of CoderPad begins at $1,500/Month, while pricing details for KillerCoder.io are unavailable.
Some top alternatives to KillerCoder.io includes DevScreen, Qualified, Workvivo, UnbugQA, CoderPad, DevSkiller, Toggl Hire, HackerRank, IFTTT, Online Check Writer and Drag.
Some top alternatives to CoderPad includes LeetCode Interview, CodingView.io, Codility, Codejudge, HackerEarth, SkillRobo, HackerRank, KillerCoder.io, Codidate and CodeSignal.