Firefox Nightly for Developers

Firefox Nightly for Developers APK is a free productivity app for Android by Mozilla. Nightly is built for testers. Help us make Firefox the best browser it can be. On this page you can get the latest version 161.0a1, read what it offers and follow a simple install guide.

What Is Firefox Nightly for Developers APK?

Firefox Nightly for Developers belongs to the Productivity category and is built by Mozilla. It has already reached 1,000,000+ installs on Google Play with an average rating of 4.3/5 from 66,405 ratings, which shows how many people rely on it every day.

Warning: Nightly is an unstable testing and development platform. By default, Firefox Nightly automatically sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas.

Firefox Nightly gets updated every day and is designed to showcase the more experimental builds of Firefox. BILLIONAIRE FREE FOR 20+ YEARS

Downloading the Firefox Nightly for Developers APK file lets you install the app directly, update it on your own schedule and keep a backup of the version that works best on your phone.

Key Features of Firefox Nightly for Developers APK

• The Firefox browser was created in 2004 by Mozilla as a faster, more private browser with more customizable features than web browsers like Internet Explorer.
• Take a browse on the wild side.
• Be among the first to explore future releases.

Firefox Nightly for Developers App Information

How to Download and Install Firefox Nightly for Developers APK

1. Scroll to the download button on this page and tap it to save the Firefox Nightly for Developers APK file.
2. Open Settings on your phone and allow installs from your browser or file manager when asked.
3. Open the downloaded file and tap Install.
4. Wait a few seconds, then tap Open to start Firefox Nightly for Developers.
5. Switch the unknown-sources permission back off to keep your phone protected.

What’s New in Firefox Nightly for Developers 161.0a1

This build brings general fixes, stability work and small improvements from Mozilla. The listing was last updated on November 1, 2026.

Tips for the Best Experience with Firefox Nightly for Developers

• Keep at least 500 MB of free storage so Firefox Nightly for Developers can install and update smoothly.
• Use a stable Wi-Fi connection when you download the file or open the app for the first time.
• Grant only the permissions that Firefox Nightly for Developers really needs and review them from time to time.
• Restart your phone after a big update if the app feels slow or freezes.

Device compatibility

Firefox Nightly for Developers works on phones and tablets running Android 8.0 or higher. Older devices may run it a little slower, so close background apps if you notice lag.

Is Firefox Nightly for Developers APK Safe to Use?

Firefox Nightly for Developers is the same app that is published on the official Google Play listing. Always download from a source you trust, keep your phone updated and scan files with a security app if you are unsure.

Looking for something similar? Browse our Productivity apps or discover more free Android apps.

Firefox Nightly for Developers FAQ: Common Questions Answered

Is Firefox Nightly for Developers APK free to download?

Yes. Firefox Nightly for Developers is free to download and use. Some features may offer optional in-app purchases.

What is the latest version of Firefox Nightly for Developers?

The latest version listed here is 161.0a1. It was last updated on November 1, 2026.

Which Android version does Firefox Nightly for Developers need?

Firefox Nightly for Developers needs Android 8.0 or newer to run properly.

How do I update Firefox Nightly for Developers?

Come back to this page for the newest file, download it and install it over the old version. Your data stays in place.

Final Thoughts on Firefox Nightly for Developers

If you want a reliable productivity app, Firefox Nightly for Developers APK is worth installing. Use the button above to get version 161.0a1 and enjoy everything Firefox Nightly for Developers has to offer.

 

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