Best Istanbul Alternatives in 2026
Updated
20 platforms from test coverage tools ranked against Istanbul on the same published basis.
- 1Istanbul vs Coveralls
- 2Istanbul vs Codecov
- 3Istanbul vs Coverage.py
- 4Istanbul vs JaCoCo
- 5Istanbul vs MozJPEG
- 6Istanbul vs ReportGenerator
- 7Istanbul vs Coverlet
- 8Istanbul vs gofmt
- 9Istanbul vs LLVM llvm-cov
- 10Istanbul vs Microsoft Code Coverage
- 11Istanbul vs OpenClover
- 12Istanbul vs SimpleCov
- 13Istanbul vs gcovr
- 14Istanbul vs Tarpaulin
- 15Istanbul vs gcov
- 16Istanbul vs PHP_CodeCoverage
- 17Istanbul vs c8
- 18Istanbul vs cargo-llvm-cov
- 19Istanbul vs EclEmma
- 21Istanbul vs Kover
Istanbul alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Coveralls | 7.4 | Free plan | $10/mo | API, Linux, self-hosted, Web |
| 2 | Codecov | 7.3 | Free plan | $5/mo | API, Browser, self-hosted, Web |
| 3 | Coverage.py | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | JaCoCo | 7.2 | Free plan | Free | API |
| 5 | MozJPEG | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 6 | ReportGenerator | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 7 | Coverlet | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 8 | gofmt | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 9 | LLVM llvm-cov | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 10 | Microsoft Code Coverage | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 11 | OpenClover | 5.8 | Free plan | Free | Linux, Mac, Web, Windows |
| 12 | SimpleCov | 5.8 | Free plan | Free | Linux, Mac, Web, Windows |
| 13 | gcovr | 5.5 | No | — | Linux, Mac, Windows |
| 14 | Tarpaulin | 5.5 | No | — | Linux, Mac, self-hosted, Windows |
| 15 | gcov | 5.4 | Free plan | Free | Linux, Mac, Windows |
| 16 | PHP_CodeCoverage | 5.4 | No | — | self-hosted |
| 17 | c8 | 5.1 | No | — | — |
| 18 | cargo-llvm-cov | 5.1 | No | — | Windows, Mac, Linux |
| 19 | EclEmma | 5.1 | Free plan | Free | Linux, Mac, Windows |
| 21 | Kover | 5.1 | No | — | — |
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Questions about Istanbul alternatives
What is the best alternative to Istanbul?
Coveralls, number 1 in test coverage tools with a score of 7.4 out of 10. The others here: Codecov, Coverage.py, JaCoCo and 16 more.
What is the best free alternative to Istanbul?
Coveralls is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.