FLEX vs Ruby debug
| FLEX | Ruby debug | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | iOS | — |
| Free plan | Yes | — |
| Supported languages | Objective-C, Swift | Ruby (MRI) 2.7 and later |
| Target platforms | iOS Simulator, physical iOS devices | — |
| Remote debugging | No | Yes |
| Conditional breakpoints | — | Yes |
| Exception breakpoints | — | Yes |
| Time-travel debugging | — | Yes |
Both are listed in Best Debuggers. On Samsung Mobile US Press, FLEX scores higher on our published basis.