Smoke Testing vs Regression Testing — Top 6 Key Differences

Testsigma Inc.
2 min readMay 9, 2024

We can travel through Smoke Testing vs Regression Testing, where the differences between the two can seem as thick as smoke! If you’re looking for the differences between these two tests, you’ve come to the right place. So, light up your favorite testing pipe, and let’s start!

This article provides an in-depth exploration of Smoke Testing vs Regression Testing concepts.

Smoke Testing and Regression Testing

Actually, developers use Smoke testing to assess the stability of an application’s initial build. It is a preliminary test that helps identify significant issues that may prevent the application from being used.

Read More about Smoke Testing

“Regression testing is like trying on the same pair of jeans every time you shop to ensure they still fit!”Technically, Regression Testing verifies that the software performs well after being changed or interfaced with other previously developed and tested software. Confirm that any changes to the existing codebase have not introduced new bugs or regressions.

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Smoke Testing vs Regression Testing: Difference Between Smoke Testing and Regression Testing

Listed below some difference between smoke and regression testing.

Wrapping up

In conclusion, Smoke Testing and Regression Testing may have some key differences, but they have the same end goal: ensuring the software you use works as expected. Some points to remember:

  1. Smoke Testing is essential for quickly detecting major defects at the early stages of development.
  2. Regression Testing is essential for ensuring that all changes have been successfully implemented and that there are no unexpected errors in previously stable features before the changes.



Testsigma Inc.

Testsigma is a completely cloud-based codeless test automation tool that lets you create stable and reliable tests for web, mobile & APIs — all from one place.