Side by side

Codecov vs Coveralls

Both stand on test coverage tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Codecov

Free plan Open source APIExtensionLinux+3

Codecov combines coverage reporting with pull-request controls, test analytics, and bundle analysis. A free tier and 14-day trial are listed, with paid plans from $5/user/mo.

Visit Codecov

Coveralls connects coverage history and detail with pull-request reporting and merge criteria. Open-source and public repositories are free; teams with private repositories should check plan limits and file-coverage retention.

Visit Coveralls

The facts

	Codecov	Coveralls
Free plan	Yes	Yes
Open source	Yes	Not published
Runs on	API, Extension, Linux, Mac, Self-hosted, Web	API, Linux, Self-hosted, Web
Lowest paid plan	Team: $5 per user a month	Starter: $10 a month
Plans published	4	10
Maker	Not published	Not published
Website	about.codecov.io	coveralls.io
On test coverage tools	#2 of 27	#6 of 27

Codecov: what it does well

Reports line, branch, project, and patch coverage.
Coverage gates can block underperforming pull requests.
Test Analytics detects flaky tests.
Offers a command-line interface and VS Code extension.
Self-hosted option is listed.

What to know first

Developer plan limits private users to one for open-source or unlimited for private.
Team plan allows up to 10 users.
Enterprise pricing is custom.

Coveralls: what it does well

Coverage views reach individual code lines.
Pull-request reports can apply coverage criteria to merges.
Supports line and branch coverage.
Works with any CI service, according to Coveralls.
Self-hosted enterprise option can run without outbound network access.

What to know first

Starter covers one private repository.
Detailed file coverage is retained for 12 months on paid repositories.
Starter costs $10 a month.

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