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What's new in Firefox Focus: No Fuss Browser 4.1

- Improved user experience when other apps opening Focus as the default browser
- Provide additional information when browsing secure websites (lock icon in address bar)
- Bug fixes and stability improvements

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About Firefox Focus: No Fuss Browser 4.1

Browse like no one’s watching. The new Firefox Focus automatically blocks a wide range of online trackers — from the moment you launch it to the second you leave it. Easily erase your history, passwords and cookies, so you won’t get followed by things like unwanted ads.

“Private browsing” on most browsers isn’t comprehensive or easy to use. Focus is next-level privacy that’s free, always on and always on your side — because it’s backed by Mozilla, the non-profit that fights for your rights on the Web.

AUTOMATIC PRIVACY
• Blocks a wide range of common Web trackers without any settings to set
• Easily erases your history — no passwords, no cookies, no trackers

BROWSE FASTER
• By removing trackers and ads, Web pages may require less data and load faster

MADE BY MOZILLA
• We believe everyone should have control over their lives online. That’s what we’ve been fighting for since 1998.

Firefox Focus: No Fuss Browser 4.1 Play Store screenshots (14)

Screenshots from version 159.0

Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1Firefox Focus: No Fuss Browser 4.1

Download Firefox Focus: No Fuss Browser 4.1

This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
4.1 APK 1
20811502
March 24, 2018
noarch
Android 5.0+
nodpi
All Releases
Firefox Focus: No Fuss Browser 159.0
October 25, 2026

Version:159.0

Uploaded:October 25, 2026 at 5:01PM UTC

File size:37.11 MB

Downloads:38

Firefox Focus: No Fuss Browser 158.0.2
October 21, 2026

Version:158.0.2

Uploaded:October 21, 2026 at 8:32AM UTC

File size:38.70 MB

Downloads:174

Firefox Focus: No Fuss Browser 158.0.1
October 20, 2026

Version:158.0.1

Uploaded:October 20, 2026 at 9:39PM UTC

File size:38.70 MB

Downloads:63

Firefox Focus: No Fuss Browser 158.0
October 17, 2026

Version:158.0

Uploaded:October 17, 2026 at 3:58PM UTC

File size:38.77 MB

Downloads:480

Firefox Focus: No Fuss Browser 157.0.1
October 7, 2026

Version:157.0.1

Uploaded:October 7, 2026 at 7:14PM UTC

File size:38.63 MB

Downloads:321

Firefox Focus: No Fuss Browser 157.0
October 1, 2026

Version:157.0

Uploaded:October 1, 2026 at 5:39AM UTC

File size:38.63 MB

Downloads:279

Firefox Focus: No Fuss Browser 156.0.1
September 24, 2026

Version:156.0.1

Uploaded:September 24, 2026 at 8:44PM UTC

File size:38.64 MB

Downloads:208

Firefox Focus: No Fuss Browser 156.0
September 20, 2026

Version:156.0

Uploaded:September 20, 2026 at 3:06AM UTC

File size:38.62 MB

Downloads:209

Firefox Focus: No Fuss Browser 155.0.1
September 12, 2026

Version:155.0.1

Uploaded:September 12, 2026 at 4:06PM UTC

File size:38.51 MB

Downloads:450

Firefox Focus: No Fuss Browser 155.0
August 28, 2026

Version:155.0

Uploaded:August 28, 2026 at 10:20PM UTC

File size:38.51 MB

Downloads:350

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