Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard
Tech riderRev. 30 Sept 2026

SimpleCov

Ch 057.2of 26 Test Coverage Tools
  1. 1Runs onLinux, Mac, Web, Windows
  2. 2CostsFree plan
  3. 3Coverage typesline, branch, method, oneshot-line, eval
  4. 4Supported languagesRuby
  5. 5Report formatsHTML, JSON
  6. 6Historical trendsYes
  7. 7Coverage gatesYes
7 lines stated Written from the maker's own pages: github.com
Visit site Alternatives
The SimpleCov homepage

Overview

SimpleCov is ranked #5 of 26 in test coverage tools on Specifiction. It runs on Linux, macOS, Web, Windows. There is a free plan.

SimpleCov plans and pricing

All plans
SimpleCov Free Ruby code coverage · MIT licensed github.com · 30 Sept 2026

Compared on test coverage tools

Free plan
Yesgithub.com
Coverage types
line, branch, method, oneshot-line, evalgithub.com
Supported languages
Rubygithub.com
Report formats
HTML, JSONgithub.com
Historical trends
Yesgithub.com
Coverage gates
Yesgithub.com

Facts

Purpose
SimpleCov analyzes Ruby code coverage using Ruby’s built-in Coverage library.github.com · 30 Sept 2026
Reports
It includes HTML and JSON formatters and can merge coverage results across test suites.github.com · 30 Sept 2026
Configuration
Configuration supports filters, groups, profiles, line and branch coverage, and coverage thresholds.github.com · 30 Sept 2026
Test mapping
Opt-in test tracking can show which RSpec examples or Minitest tests cover a line.github.com · 30 Sept 2026
Production usage
Oneshot coverage can record production code usage for identifying code that tests or live traffic do not touch.github.com · 30 Sept 2026
Change coverage
The CLI can calculate coverage for changed lines and use a minimum threshold as a gate.github.com · 30 Sept 2026
View templates
With the Rails profile, it can include ERB, Haml, and Slim templates in coverage reports.github.com · 30 Sept 2026
CLI
The command line includes report viewing, test selection, patch coverage, history, status, and badge commands.github.com · 30 Sept 2026
Integrations
The README points to open source formatter and integration plugins, editor integrations, and hosted commercial services.github.com · 30 Sept 2026
Compatibility
The project says it is built in CI on Ruby 3.2+ and JRuby 10+; JRuby supports line coverage only.github.com · 30 Sept 2026
Setup constraint
SimpleCov must start before application code is required to track those files.github.com · 30 Sept 2026
Support
The project directs users to its issue tracker for code and bug reports and its Google Groups mailing list for discussion and announcements.github.com · 30 Sept 2026
License
The repository identifies SimpleCov as MIT licensed.github.com · 30 Sept 2026
Security and compliance
The repository page shows a Security and quality section but states no security certification or compliance standard in the README.github.com · 30 Sept 2026

Best SimpleCov alternatives

See all 20
All accessCh 01 Coveralls Free planFree trialAPI from $10/mo7.6 All accessCh 02 ReportGenerator Free planFree trialLinux Free to start7.6 All accessCh 03 Codecov Free planFree trialAPI from $5/mo7.3 All accessCh 04 OpenClover Free planLinuxMac Free to start7.3 All accessCh 06 Coverage.py Free planAPILinux Free to start7.1 All accessCh 07 gofmt Free planLinuxMac Free to start7.1

Where it ranks on Specifiction

Is SimpleCov yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote SimpleCov

Sources