Best Test Coverage Tools in 2026
Updated
In short: Coveralls is ranked #1 of 26 as of 4 October 2026, ahead of Codecov and Coverage.py. The best-ranked option with a free plan is Codecov. The lowest first paid tier on this page is Codecov at $5/mo.
Coverage tooling helps you connect test runs to a clearer view of which code paths tests exercise. The ranking starts with Codecov and Coveralls, with ReportGenerator and OpenClover also near the top. Compared on coverage gates, supported languages and coverage types, the entries also differ in pull-request annotations, historical trends and report formats. Those details can help you judge how reports will fit into your review process and which gaps are useful to track over time. Check self-hosted availability alongside free plans and paid starting points, then use the ranking order as a way to structure a closer look at options suited to your repository and workflow.
26 test coverage tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Coverage types | |
|---|---|---|---|---|---|---|---|---|
| 1 | Coveralls | 7.4 | RecognisedAPIDocumented | $10/mo | Yes | 10 /mo | line, branch | View |
| 2 | Codecov | 7.3 | RecognisedAPIDocumented | $5/mo | Yes | — | line, branch, project, patch | View |
| 3 |  Coverage.py | 7.2 | RecognisedAPIDocumented | Free | Yes | — | statement, branch | View |
| 4 |  MozJPEG | 7.0 | RecognisedAPIDocumented | — | Yes | — | line, branch, function | View |
| 5 |  gcovr | 5.9 | RecognisedAPIDocumented | — | Yes | — | line, branch, decision, function, condition, call | View |
| 6 |  ReportGenerator | 5.9 | RecognisedAPIDocumented | Free | Yes | — | line, branch, method, full method, MC/DC | View |
| 7 |  Coverlet | 5.8 | RecognisedAPIDocumented | Free | Yes | — | line, branch, method | View |
| 8 |  gofmt | 5.8 | RecognisedAPIDocumented | Free | Yes | — | statement, function, basic-block | View |
| 9 |  OpenClover | 5.8 | RecognisedAPIDocumented | Free | Yes | — | method, statement, branch, global, per-test | View |
| 10 |  SimpleCov | 5.8 | RecognisedAPIDocumented | Free | Yes | — | line, branch, method, oneshot-line, eval | View |
| 11 |  EclEmma | 5.5 | RecognisedAPIDocumented | — | Yes | — | instruction, branch, line, method, type, cyclomatic complexity | View |
| 12 |  gcov | 5.5 | RecognisedAPIDocumented | — | Yes | — | line, function, branch, condition, prime-path, basic-block | View |
| 13 |  JaCoCo | 5.5 | RecognisedAPIDocumented | — | Yes | — | instruction, branch, complexity, line, method, class | View |
| 14 |  Kover | 5.5 | RecognisedAPIDocumented | — | Yes | — | line, instruction, branch | View |
| 15 |  LLVM llvm-cov | 5.5 | RecognisedAPIDocumented | — | Yes | — | function, instantiation, line, region, branch, MC/DC | View |
| 16 |  c8 | 5.1 | RecognisedAPIDocumented | — | — | — | lines, functions, branches, statements | View |
| 17 |  cargo-llvm-cov | 5.1 | RecognisedAPIDocumented | — | — | — | line, region, function, branch, MC/DC | View |
| 18 |  Istanbul | 5.1 | RecognisedAPIDocumented | — | — | — | line, statement, function, branch | View |
| 19 |  LCOV | 5.1 | RecognisedAPIDocumented | — | — | — | line, function, branch, MC/DC | View |
| 20 |  Tarpaulin | 5.1 | RecognisedAPIDocumented | — | — | — | line | View |
| 21 | Microsoft Code Coverage | 5.0 | RecognisedAPIDocumented | — | — | — | line, block, assembly, class, procedure, managed CLR, unmanaged native | View |
| 22 |  NCover | 5.0 | RecognisedAPIDocumented | — | No | — | sequence point, branch, method, condition, symbol, line, cyclomatic complexity | View |
| 23 |  Testwell CTC++ | 5.0 | RecognisedAPIDocumented | — | No | — | function, statement, line, decision/branch, condition, MC/DC, multicondition | View |
| 24 |  BullseyeCoverage | 4.9 | RecognisedAPIDocumented | — | No | — | function coverage; condition/decision coverage | View |
| 25 | dotCover | 4.9 | RecognisedAPIDocumented | — | No | — | statement, unit-test, application/manual | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which test coverage tool is ranked first on Inferse?
Coveralls is ranked #1 of 26 with a score of 7.4. Codecov is second and Coverage.py third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Codecov has the lowest first paid tier we found: $5/mo.
How is this list 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. Paid placements never change a rank.