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Head-to-head · Test Flakiness Management Software

Flakiness.io vs Captain

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Flakiness.io #1 in Test Flakiness Management Software 9.4/10 Free plan Free plan✓ 0 of 5 features Visit Flakiness.io
Captain #5 in Test Flakiness Management Software 8.8/10 Free plan Free plan✓ 3 of 5 features Visit Captain

Flakiness.io leads on 0 checks, Captain on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFlakiness.io · 9.4/10
  • Free planboth
  • Most featuresCaptain · 3 of 5

Flakiness.io scores higher on our rubric for test flakiness management software: 9.4 against 8.8 out of 10; our editors rank them #1 and #5.

Flakiness.io is the better fit for teams wanting broad flake analytics with a free plan. Captain is the better fit for open-source teams seeking low-cost flake analytics.

  • Flakiness.io fits best

    Teams wanting broad flake analytics with a free plan

  • Captain fits best

    Open-source teams seeking low-cost flake analytics

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 Flakiness.io 9.4/10 Visit ↗ Captain 8.8/10 Visit ↗
At a glance
Editor score 9.4 8.8
Ranking #1 in Test Flakiness Management Software #5 in Test Flakiness Management Software
Best for Teams wanting broad flake analytics with a free plan Open-source teams seeking low-cost flake analytics
Pricing model Free plan + paid Free plan + paid
Starting price $49/mo $10/unit usage-based
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Web Web, macOS, Linux
Support Email, Docs Email, Live chat, Community, Docs
Integrations 13 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Flakiness.io 0/5 · Captain 3/5
Flake detection Not checked yet ✓ (best)
Quarantine workflow Not checked yet ✓ (best)
Failure clustering Not checked yet Not checked yet
Rerun policies Not checked yet ✓ (best)
Issue tracker links Not checked yet Not checked yet
Specs
Supported frameworks Playwright, Pytest, Vitest, Jest, CucumberJS, Bun, Rust, JUnit XML xUnit, ExUnit, Ginkgo, go test, Bun, Cucumber, Cypress, Jest, Karma, Mocha, Playwright, TestCafe, Vitest, PHPUnit, pytest, unittest, Ruby Cucumber, minitest, RSpec
Our review
Pros
  • Classifies regressions and flakes by commit and environment
  • Combines failure analysis, telemetry, and artifact viewers
  • Offers unlimited test runs and users on the Free plan
  • 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
Cons
  • The stated workflow centers on GitHub and GitLab repositories
  • The listed plan highlights do not distinguish paid tiers
  • Historical retention is 180 days
  • 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
Our verdict

Flakiness.io is a test analytics service for engineering teams using GitHub or GitLab. It connects test results with commits and environments to separate regressions from flaky failures, then presents test history, execution trends,…

Read the review →

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 →
  1. Flakiness.ioTest Flakiness Management Software 9.4Free plan
  2. CaptainTest Flakiness Management Software 8.8Free plan

Strengths and trade-offs

  • Flakiness.io — where it wins

    • Classifies regressions and flakes by commit and environment
    • Combines failure analysis, telemetry, and artifact viewers
    • Offers unlimited test runs and users on the Free plan

    Where it doesn't

    • The stated workflow centers on GitHub and GitLab repositories
    • The listed plan highlights do not distinguish paid tiers
    • Historical retention is 180 days

  • 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

More comparisons

All test flakiness management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update