Istanbul vs Kover
| Istanbul | Kover | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | Linux |
| Coverage types | line, statement, function, branch | line, instruction, branch |
| Supported languages | JavaScript, TypeScript | Kotlin, Java |
| Report formats | text, HTML, lcov | HTML, XML, IC |
| Pull-request annotations | No | — |
| Coverage gates | Yes | Yes |
| Free plan | — | Yes |
Both are listed in Best Test Coverage Tools. On Freedom251, Istanbul scores higher on our published basis.