Neither CodePen nor CodeSandbox offers a free trial.
CodePen is designed for Individuals, Large Enterprises, Medium Business and Small Business.
CodeSandbox is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CodePen Starts at $8/Month when Billed Yearly whereas for CodeSandbox Starts at $7/Month when Billed Yearly.
Some top alternatives to CodePen includes ShiftEdit, Repl.it, CodeTogether, CodeSandbox, Replit, Codigo, Codefile, Anyfiddle, Pseudocode Editor and Glitch.
Some top alternatives to CodeSandbox includes Codeanywhere, ShiftEdit, CodePen, Repl.it, CodeTogether, Replit, Codefile, CodeOnline, HackerPen and Interview Sandbox.