You cannot fix Buster on the default Google Chrome browser because Google does not allow extensions on its mobile app. The "fix" is switching to a browser that supports the WebExtension API.

Here are the three best Android browsers to apply the Buster fix:

If the audio Captcha downloads but no sound plays, Android’s media focus might be hijacked.

If Buster is not working on your Android phone, run through this checklist:

Once you have Firefox installed, you cannot just install Buster like a normal app. You must install it as an Add-on.

  • Confirm the installation.

    • Published: April 19, 2026
    Reading Time: 4 minutes

    If you’ve landed here, you’re probably tired of clicking through blurry buses, crosswalks, or fire hydrants. On desktop, the Buster: Captcha Solver for Humans extension is a lifesaver—it uses speech-to-text to solve audio captchas in seconds.

    But on Android? Things get messy. The official Buster extension doesn’t work perfectly out of the box on mobile browsers. Pop-ups freeze, audio loops fail, or nothing happens when you click the puzzle piece.

    Don’t worry. This guide will walk you through the exact fixes to get Buster working on Android.

    ⚠️ Disclaimer: Buster solves audio captchas only. It does not bypass Google’s image recognition. It is designed to assist humans with accessibility, not to automate bots. Use responsibly and only on sites you own or have permission to test.