{
  "slug": "fennec-f-droid",
  "category": "browsers",
  "name": "Fennec F-Droid",
  "description": "Build of Firefox for Android published by F-Droid, with proprietary components and telemetry removed. It still connects to some Mozilla services.",
  "website": "https://f-droid.org/packages/org.mozilla.fennec_fdroid/",
  "source": "https://gitlab.com/relan/fennecbuild",
  "license": null,
  "platforms": [
    "android"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "D",
  "score": 57,
  "coverage": 100,
  "summary": "Fennec F-Droid scores 57 out of 100 (grade D) on the browsers criteria. It meets 2 of 8 criteria: open source and no ads or data sales. It partly meets no trackers or telemetry, blocks trackers by default, fingerprinting protection, no calls to big-tech services and timely security updates. It does not meet independent audit.",
  "url": "https://privacyratings.com/browsers/fennec-f-droid/",
  "markdown": "https://privacyratings.com/browsers/fennec-f-droid/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://gitlab.com/relan/fennecbuild/-/blob/master/COPYING",
      "note": "Build scripts are AGPL-3.0, and Firefox code is MPL-2.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "partial",
      "evidence": "https://f-droid.org/packages/org.mozilla.fennec_fdroid/",
      "note": "Telemetry is removed, but F-Droid flags the app for connecting to Mozilla services that can track users."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://gitlab.com/relan/fennecbuild/-/blob/master/fenix-liberate.patch",
      "note": "Sponsored shortcuts and sponsored stories are disabled in the build. Volunteer project."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tracker_blocking": {
      "title": "Blocks trackers by default",
      "weight": 3,
      "answer": "partial",
      "evidence": "https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-android",
      "note": "Uses Firefox Enhanced Tracking Protection in Standard mode, which blocks social trackers and cross-site cookies but not all tracking content."
    },
    "fingerprinting_protection": {
      "title": "Fingerprinting protection",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://support.mozilla.org/en-US/kb/firefox-protection-against-fingerprinting",
      "note": "Known fingerprinters are blocked, but fingerprinting data is only altered in Strict mode or private tabs."
    },
    "no_google_services": {
      "title": "No calls to big-tech services",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://f-droid.org/packages/org.mozilla.fennec_fdroid/",
      "note": "Google Play components are removed, but Firefox's Google Safe Browsing lists and some Mozilla services remain."
    },
    "security_updates": {
      "title": "Timely security updates",
      "weight": 3,
      "answer": "partial",
      "evidence": "https://f-droid.org/packages/org.mozilla.fennec_fdroid/",
      "note": "New Firefox versions usually reach F-Droid within about a week and are installed through an F-Droid client."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": null,
    "tested_at": "2026-10-01T07:02:36.408Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}