Azure DevOps is the cheapest verified alternative to Travis CI: Azure DevOps Basic costs $72 a year against the $165 Travis CI Usage Based costs, so $93 stays in your account. 6 options below, ranked by yearly cost, each with its own verified cancellation guide.
Travis CI Travis CI Usage Based Ranked by yearly cost, cheapest first. Each one links to our own verified guide, so you can see how hard it is to leave later.
CircleCI CircleCI Performance plan From $15 / month 
Depot Depot Developer plan $20 / month 
Buildkite Buildkite Pro plan $30 / user / month 
Dagger Cloud Dagger Cloud Team plan $50 / month 
Bitrise Bitrise Starter plan $99 / month No one pays for a spot here - the cheapest option simply goes first, the Switch button goes straight to the provider, and every card links to our own verified guide.
Every price and cancellation route on this page is checked against the provider's own pricing page, terms and support documentation - then dated, so you can see how fresh it is.