gcov vs Istanbul
| gcov | Istanbul | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | — |
| Free plan | Yes | — |
| Coverage types | line, function, branch, condition, prime-path, basic-block | line, statement, function, branch |
| Supported languages | C, C++, Objective-C, Objective-C++, Fortran, Ada, D, Go | JavaScript, TypeScript |
| Report formats | .gcov text, compressed JSON (.gcov.json.gz) | text, HTML, lcov |
| Self-hosted option | Yes | — |
| Pull-request annotations | — | No |
| Coverage gates | — | Yes |
Both are listed in Best Test Coverage Tools. On Inferse, gcov scores higher on our published basis.