Istanbul vs MozJPEG
| Istanbul | MozJPEG | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | api, Linux, macOS, self-hosted, Windows |
| Coverage types | line, statement, function, branch | line, branch, function |
| Supported languages | JavaScript, TypeScript | Rust, C, C++, JavaScript, Go, Java, Kotlin |
| Report formats | text, HTML, lcov | LCOV, Coveralls, Coveralls+, covdir JSON, ActiveData-ETL, files, Markdown, HTML, Cobertura XML |
| Pull-request annotations | No | Yes |
| Coverage gates | Yes | — |
| Free plan | — | Yes |
Both are listed in Best Test Coverage Tools. On Samsung Mobile US Press, MozJPEG scores higher on our published basis.