Google Play / communication / FIREFOX FAST & PRIVATE BROWSER
REVIEW
Firefox on Android is the only major browser that still runs uBlock Origin.
Mozilla's mobile browser is slower than Chrome, less polished than Safari, and the only realistic way to take real extensions with you off the desktop. That tradeoff is the whole pitch.
BY THE APP COMRADE DESK · MAY 11, 2026 · 3 MIN READ
Firefox Fast & Private Browser
MOZILLA
OUR SCORE
8.2
GOOGLE PLAY
★ 4.6
PRICE
Free
Firefox on Android is not the fastest browser on your phone. Chrome is, and Chrome will keep being, because Google employs more engineers on the Blink rendering engine than Mozilla employs in total. That is the structural fact of the modern browser market and pretending otherwise would be dishonest. What Firefox on Android is, instead, is the only mainstream mobile browser with a working extension store — and the only one where uBlock Origin runs as the same uBlock Origin you have on your laptop, with the same filter lists and the same per-site rules.
That is a real differentiator. It has been the case since 2020, when Mozilla rebuilt the Android app on the GeckoView architecture, and it has not been matched by any other major browser since. Chrome on Android has no extension support at all. Brave blocks ads at the network layer, but that is not the same product. Safari on iOS allows content blockers but those are not extensions in the desktop sense.
The honest review acknowledges what this costs. Firefox is slower than Chrome on heavy JavaScript workloads. The Mozilla-Google search deal is the awkward funding fact that the company’s privacy positioning has to live alongside. Container tabs, the desktop Firefox feature most power users would want, has not made it to Android. Those are real caveats, and they push the score down from where pure feature-comparison would land it. But for the user who wants a real ad blocker, real tracking protection by default, and an extension ecosystem on their phone, this is still the only realistic choice in 2026.
Firefox on Android is not the fastest browser on your phone. It's the only one with an extension store that matters.
FEATURES
Firefox for Android is Mozilla's Gecko-engine browser, rebuilt in 2020 on the GeckoView architecture that finally made extension support viable on mobile. It is the only mainstream Android browser with a real add-on store — uBlock Origin, Dark Reader, Bitwarden, Tampermonkey, Privacy Badger, and a few dozen others install with one tap and run the same way they do on the desktop.
The privacy defaults are tighter than Chrome's by design. Enhanced Tracking Protection ships on "Standard" out of the box and blocks social trackers, cross-site cookies, and crypto-miners; switching it to "Strict" adds fingerprinting protection at the cost of breaking a handful of sites. Total Cookie Protection isolates cookies per site so a Facebook embed on a news article can't read the Facebook cookies from your earlier session.
Sync is Mozilla's own — bookmarks, history, tabs, and passwords move across Firefox on Android, iOS, macOS, Windows, and Linux without going through a Google account. Account creation is free. The browser is free. Mozilla's revenue still comes mostly from the Google search default deal, which is the awkward fact at the bottom of every Firefox conversation.
MISSION ACCOMPLISHED
Extension support is the whole story. uBlock Origin on mobile is not a "Lite" variant — it is the full extension, with the full filter lists, the element picker, and the per-site toggles. No other major Android browser offers that. Brave blocks ads at the network layer, which is good, but it is not user-configurable filter lists with custom rules. Chrome offers nothing.
The privacy posture is genuine rather than positioned. Mozilla is structurally a non-profit foundation with a for-profit subsidiary, and the browser's defaults reflect that — telemetry is opt-out, third-party cookies are blocked by default, and the company ships a separate hardened variant, Firefox Focus, for users who want a session-less private browser with no account at all.
Reader view, picture-in-picture for any video, and the address-bar-on-the-bottom layout (toggleable to the top) are small editorial wins that hold up under daily use.
ROOM TO IMPROVE
Performance is the honest weakness. JavaScript-heavy sites — Google Docs, Notion, Figma, modern Gmail — render measurably slower on Firefox than on Chrome. Gecko's engineering team is smaller than Blink's by an order of magnitude and it shows on the heaviest sites. For casual browsing the gap is invisible; for power users running web apps it is not.
Battery use under sustained video is also worse than Chrome's, which matters on long flights and worse on older devices. And the Mozilla-Google search deal is the structural awkwardness — Mozilla's privacy story is real but the funding underneath it depends on the company whose tracking model Firefox exists to refuse.
The Android app has also shed features the desktop version keeps. Container tabs, the Firefox feature most desktop power users would want on mobile, are not available; vertical tabs, ditto.
CONCLUSION
Install Firefox on Android if you want uBlock Origin on your phone — that is the entire case and it is a strong one. Install it also if you want a browser whose defaults are tilted toward your privacy rather than its maker's ad business. Skip it if your daily use is heavy on Google Docs or Figma, where the speed gap against Chrome is real. Watch for whether Mozilla can hold the Google search deal through its next renewal, because the rest of the company's runway depends on it.