When comparing Ideone vs CoderPad, the Slant community recommends CoderPad for most people. In the question“What are the best online collaborative programming editors?” CoderPad is ranked 5th while Ideone is ranked 10th. The most important reason people chose CoderPad is:
It's possible to check out the editor without creating an account.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can execute code against custom input
Pro Supports many languages
Supports languages missing in other similar systems. For example Groovy, Objective-C, SQLite, etc. Shows specific version it supports.
Pro Try without signing up
It's possible to check out the editor without creating an account.
Pro Video conferencing support
CoderPad integrates with Google Hangouts to provide voice and video chat.
Pro View playback history
It's possible to see revision history step by step.
Pro Customizable tab options
Pro Run code in the app
Cons
Con Supports relatively old versions of the languages
For example now after Kotlin 1.3.10 is released it still offers only 1.0.6
Latest Groovy 3.4, but they support only 2.4.7
etc.
Con Not meant for large projects
There is no way to organize files beyond tabs. Thus anything that requires a folder structure won't work.