Best Istanbul Alternatives in 2026
Updated
20 apps from test coverage tools ranked against Istanbul on the same published basis.
- 1Istanbul vs OpenClover
- 2Istanbul vs SimpleCov
- 3Istanbul vs Coverage.py
- 4Istanbul vs Coveralls
- 5Istanbul vs Coverlet
- 6Istanbul vs gofmt
- 7Istanbul vs LLVM llvm-cov
- 8Istanbul vs Microsoft Code Coverage
- 9Istanbul vs ReportGenerator
- 10Istanbul vs Codecov
- 11Istanbul vs JaCoCo
- 12Istanbul vs gcovr
- 13Istanbul vs gcov
- 14Istanbul vs Tarpaulin
- 15Istanbul vs cargo-llvm-cov
- 16Istanbul vs EclEmma
- 17Istanbul vs LCOV
- 18Istanbul vs MozJPEG
- 19Istanbul vs PHP_CodeCoverage
- 20Istanbul vs c8
Istanbul alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OpenClover | 6.6 | Free plan | Free | Linux, Mac, Web, Windows |
| 2 | SimpleCov | 6.6 | Free plan | Free | Linux, Mac, Web, Windows |
| 3 | Coverage.py | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Coveralls | 6.5 | Free plan | $10/mo | API, Linux, self-hosted, Web |
| 5 | Coverlet | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | gofmt | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 7 | LLVM llvm-cov | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 8 | Microsoft Code Coverage | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 9 | ReportGenerator | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 10 | Codecov | 6.4 | Free plan | $5/mo | API, Browser, self-hosted, Web |
| 11 | JaCoCo | 6.2 | Free plan | Free | API |
| 12 | gcovr | 5.6 | No | — | Linux, Mac, Windows |
| 13 | gcov | 5.5 | Free plan | Free | Linux, Mac, Windows |
| 14 | Tarpaulin | 5.5 | No | — | Linux, Mac, self-hosted, Windows |
| 15 | cargo-llvm-cov | 5.3 | No | — | Windows, Mac, Linux |
| 16 | EclEmma | 5.3 | No | — | Windows, Mac, Linux |
| 17 | LCOV | 5.2 | No | — | Linux |
| 18 | MozJPEG | 5.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 19 | PHP_CodeCoverage | 5.2 | No | — | self-hosted |
| 20 | c8 | 5.1 | No | — | — |
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Questions about Istanbul alternatives
What is the best alternative to Istanbul?
OpenClover, number 1 in test coverage tools with a score of 6.6 out of 10. The others here: SimpleCov, Coverage.py, Coveralls and 16 more.
What is the best free alternative to Istanbul?
OpenClover is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.