Speed up your tests with optimal test suite parallelisation.

Automatically distribute your Ruby and JavaScript tests evenly across parallel CI nodes and save time.

Get faster feedback from CI server

  • catch errors earlier
  • save time & money
  • deliver features faster

Introduction to Knapsack Pro

How much can I save with faster tests?


Monthly you can save hours
and up to $
on faster development cycle.

Features that make your tests perform better

  • Queue mode

    Dynamic tests allocation across CI nodes. Autobalance tests to get optimal test suite split betweeen CI nodes. See video

  • Regular mode

    Test suite split based on time execution. Generates subset of test suite per CI node before running tests. See video

  • Fallback mode

    Network issues? Not a problem, run tests always! Auto switch to the fallback mode to not depend on Knapsack Pro API.

  • Supported test runners

    Ruby: RSpec, Minitest, Test::Unit, Cucumber, Spinach, Turnip.

    JavaScript: Cypress.io

    Do you use different programming language or test runner? Let us know in the poll

Discover all Knapsack's features

Trusted solution

Join the teams optimizing their tests with Knapsack Pro.

We've been really enjoying Knapsack Pro, it's been saving us a ton of time.

Devin Brown Software Engineer at Pivotal

This is a fantastic product, it's been a total game-changer for us.

Geoff Harcourt CTO at CommonLit

Knapsack Pro has helped us build an insanely fast and scaleable build pipeline with almost no setup or maintenance.

Tim Lucas Co-founder of buildkite.com

Knapsack Pro saves us hours of engineer waiting time every week, and is the best solution for keeping our tests load balanced that we've used to date.

Michael Amygdalidis Senior Software Engineer at Popular Pays

I just logged into my account expecting it to say that I needed to add a credit card and was so surprised and delighted to see the trial doesn't count usage by calendar days but by testing days! This is incredible! I love it!!!

I just wanted to say that I really appreciate that small but very huge feature. Thank you for being so thoughtful :)

Shannon Baffoni Senior Software Engineer
at Blue Bottle Coffee

See more testimonials

Start using Knapsack Pro

Generate API token speed up your tests.