Vibe Testing: How to Test Software by Feel

Vibe testing AI and human collaboration for better software experience

You know, testing software isn’t just about ticking boxes or running scripts. Some of the sneaky bugs hide where your test cases can’t see. That’s where vibe testing comes in. I like to think of it as intuition-based testing—you’re combining your gut feel with AI to catch issues that traditional QA might miss.

f you want to compare traditional QA with modern automation, check out our guide on best automation tools for testing


What Is Vibe Testing?

Imagine walking into a new café. You could check all the reviews, see the menu online, watch cooking videos—but nothing tells you if it feels right like stepping in yourself. Vibe testing works the same way for apps.

Instead of only relying on rigid scripts, AI interprets your instructions in plain English and runs tests like a real user would. You might type: “Check the login process feels smooth even on a slow network.” The AI then clicks, types, scrolls, and even hesitates—basically acting human.

This approach is sometimes called experience-driven QA or testing by feel, and honestly, I think it’s one of the most practical ways to catch the little things that frustrate users.

You can explore more about vibe testing on TestSigma’s official blog


Why You Should Use Vibe Testing

Here’s why it matters for your workflow:

  • It catches the subtle bugs: Small UI quirks, awkward flows, or delays that scripted tests often miss.
  • Saves time: AI generates many scenarios quickly, so you don’t have to write endless test cases.
  • Keeps you in control: AI helps, but you decide what’s important.
  • Broad coverage: You don’t need to imagine every user action—AI covers a lot of that for you.

Honestly, it’s like having a tester who never sleeps but still listens to you. You get scale without losing intuition.


How Vibe Testing Actually Works

  1. Describe the vibe
    You tell the AI in plain language what you want tested. Example: “Make sure checkout feels smooth even if the user enters wrong info.”
  2. AI runs real-world scenarios
    It clicks, scrolls, types—basically simulating how users interact with your app.
  3. Review feedback
    The AI flags anything that feels off—maybe a button loads slowly or an error message doesn’t appear.
  4. Refine & repeat
    You tweak instructions, rerun tests, and gradually train the AI to understand your expectations.

It’s kind of like teaching a friend your coffee order. At first, it’s wrong, but after a few tries, they nail it.


Tools for Vibe Testing (or AI-Driven QA)

Several platforms make vibe testing easier:

  • TestSigma – Type instructions in plain English. The AI converts them into tests.
  • Appvance AIQ – Automatically generates and self-heals test scripts from natural language prompts.
  • Testkube – Chat with AI to build test flows fast.

In my experience, you don’t need all of them. Pick one that fits your workflow, start small, and see how it feels.


Vibe Testing vs Traditional QA

AspectTraditional QAVibe Testing / Intuition-Based Testing
Test CreationManual scripts, technicalNatural language, intuitive
MaintenanceBreaks with UI changesAI adapts, self-healing
CoverageLimited by human bandwidthBroad, experience-driven QA
SpeedSlowFast and iterative
Your RoleExecutorGuide and observer

So, with human + AI testing, you’re not just checking for bugs—you’re shaping the user experience.


Tips to Get Started

  • Start with critical flows like login, checkout, or onboarding.
  • Write plain English prompts describing how it should feel.
  • Run AI tests and look for subtle UX issues.
  • Refine your instructions and repeat.
  • Mix in some traditional tests for full coverage.

My Take

I think vibe testing isn’t meant to replace standard QA. It’s more like a supercharged helper. It finds what you’d probably miss and gives you insights faster. Plus, it’s kinda fun—like playing detective with an AI partner who never complains.

That said, don’t blindly trust it. Keep reviewing results, tweak your prompts, and combine it with manual checks. That way, you get the best of both worlds.


Bottom Line

Vibe testing—or AI-driven, intuition-based testing—gives you a sixth sense for your software. It helps you catch hidden issues and makes sure your app feels right to real users. If your goal is better user experience and faster testing, trying it is worth it—even if it feels a bit weird at first.


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