Captain vs Mergify

Captain8.8Visit Mergify8.5Visit

Higher score Captain #5 in Test Flakiness Management Software 8.8/10 Free plan Free plan✓ 3 of 5 features Visit Captain

vs

Mergify #8 in Test Flakiness Management Software 8.5/10 Free plan · 14-day trial Free planFree trial✓ 0 of 5 features Visit Mergify

• Captain fits best

  Open-source teams seeking low-cost flake analytics

• Mergify fits best

  GitHub-centric teams wanting flake and merge workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Captain 8.8/10 Visit ↗	Mergify 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#5 in Test Flakiness Management Software	#8 in Test Flakiness Management Software
Best for	Open-source teams seeking low-cost flake analytics	GitHub-centric teams wanting flake and merge workflows
Pricing model	Free plan + paid	Free plan + paid
Starting price	$10/unit usage-based	$21/seat/mo
Free plan	✓	✓
Free trial	—	14 days
Deployment	Cloud	Cloud, Self-hosted
Platforms	Web, macOS, Linux	Web
Support	Email, Live chat, Community, Docs	Email, Community, Docs, Tickets · 24/7
Compliance	SOC 2	SOC 2, SSO/SAML
Integrations	5 integrations	35+ integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Captain 3/5 · Mergify 0/5
Flake detection	✓ (best)	Not checked yet
Quarantine workflow	✓ (best)	Not checked yet
Failure clustering	Not checked yet	Not checked yet
Rerun policies	✓ (best)	Not checked yet
Issue tracker links	Not checked yet	Not checked yet
Specs
Supported frameworks	xUnit, ExUnit, Ginkgo, go test, Bun, Cucumber, Cypress, Jest, Karma, Mocha, Playwright, TestCafe, Vitest, PHPUnit, pytest, unittest, Ruby Cucumber, minitest, RSpec	Jest, pytest, Cypress, RSpec, Go, Rust, JUnit, PHPUnit, Playwright, Vitest, NUnit, MSTest, minitest, Pest, TestNG
Our review
Pros	Open-source mode includes detection, quarantine, retries, and partitioning Pro adds flaky-test analytics and 90-day performance retention Supports major CI platforms and a broad range of test frameworks	Free plan includes Test Insights, quarantine, merge queues and CI insights Supports GitHub plus 14 CI and development integrations Combines flaky-test analysis with reruns, auto-retry and merge protections
Cons	Integration coverage is narrower than some category alternatives Automatic partition rebalancing is limited to the Pro plan Advanced cloud analytics require paid usage-based pricing	Test data retention is 30 days The product is broader than standalone test analytics tools 24/7 premium support is limited to the Max plan
Our verdict	Captain is an open-source command-line tool and cloud service for software engineering teams managing unreliable test suites. It detects flaky tests, retries failed and flaky tests, supports quarantine workflows, partitions test suites… Read the review →	Mergify is a cloud platform for engineering teams that combines test reliability workflows with pull-request merge automation. Test Insights detects flaky and broken tests, classifies test health, analyzes failures, tracks historical… Read the review →

Strengths and trade-offs

• Captain — where it wins

  • Open-source mode includes detection, quarantine, retries, and partitioning
  • Pro adds flaky-test analytics and 90-day performance retention
  • Supports major CI platforms and a broad range of test frameworks

  Where it doesn't

  • Integration coverage is narrower than some category alternatives
  • Automatic partition rebalancing is limited to the Pro plan
  • Advanced cloud analytics require paid usage-based pricing

• Mergify — where it wins

  • Free plan includes Test Insights, quarantine, merge queues and CI insights
  • Supports GitHub plus 14 CI and development integrations
  • Combines flaky-test analysis with reruns, auto-retry and merge protections

  Where it doesn't

  • Test data retention is 30 days
  • The product is broader than standalone test analytics tools
  • 24/7 premium support is limited to the Max plan

• Captain8.8/10 · Free plan

  A low-cost option for open-source teams needing flake detection and CI test controls.

  Visit CaptainFull verdict →
• Mergify8.5/10 · Free plan · 14-day trial

  A GitHub-centric platform combining flake management with merge queues and CI automation.

  Visit MergifyFull verdict →