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 ReportGenerator
- 3Istanbul vs Codecov
- 4Istanbul vs OpenClover
- 5Istanbul vs cargo-llvm-cov
- 6Istanbul vs Coverage.py
- 7Istanbul vs Microsoft Code Coverage
- 8Istanbul vs EclEmma
- 9Istanbul vs gcov
- 10Istanbul vs gofmt
- 11Istanbul vs Kover
- 12Istanbul vs MozJPEG
- 13Istanbul vs SimpleCov
- 14Istanbul vs Coverlet
- 15Istanbul vs LLVM llvm-cov
- 16Istanbul vs JaCoCo
- 17Istanbul vs LCOV
- 18Istanbul vs Testwell CTC++
- 19Istanbul vs c8
- 20Istanbul vs gcovr
Istanbul alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Coveralls | 7.8 | Free plan | $10/mo | API, Linux, self-hosted, Web |
| 2 | ReportGenerator | 7.8 | Free plan | Free | Linux, Mac, Windows |
| 3 | Codecov | 7.6 | Free plan | $5/mo | API, Browser, self-hosted, Web |
| 4 | OpenClover | 7.2 | Free plan | Free | Linux, Mac, Web, Windows |
| 5 | cargo-llvm-cov | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 6 | Coverage.py | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 7 | Microsoft Code Coverage | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 8 | EclEmma | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 9 | gcov | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 10 | gofmt | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 11 | Kover | 6.9 | Free plan | Free | Linux |
| 12 | MozJPEG | 6.9 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 13 | SimpleCov | 6.9 | Free plan | Free | Linux, Mac, Web, Windows |
| 14 | Coverlet | 6.8 | Free plan | Free | Linux, Mac, Windows |
| 15 | LLVM llvm-cov | 6.8 | Free plan | Free | Linux, Mac, Windows |
| 16 | JaCoCo | 6.7 | Free plan | Free | API |
| 17 | LCOV | 6.7 | Free plan | Free | Linux, self-hosted |
| 18 | Testwell CTC++ | 6.7 | No | — | Linux, Mac, self-hosted, Windows |
| 19 | c8 | 6.6 | Free plan | Free | Linux |
| 20 | gcovr | 6.6 | No | — | Linux, Mac, Windows |
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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 7.8 out of 10. The others here: ReportGenerator, Codecov, OpenClover and 16 more.
What is the best free alternative to Istanbul?
Coveralls is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.