{
  "slug": "ironfox",
  "category": "browsers",
  "name": "IronFox",
  "description": "Firefox-based browser for Android, a fork of Mull, with telemetry removed, uBlock Origin preinstalled, Strict tracking protection and hardened privacy settings.",
  "website": "https://ironfoxoss.org",
  "source": "https://gitlab.com/ironfox-oss/IronFox",
  "license": null,
  "platforms": [
    "android"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 85,
  "coverage": 100,
  "summary": "IronFox scores 85 out of 100 (grade B) on the browsers criteria. It meets 6 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection and timely security updates. It partly meets no calls to big-tech services. It does not meet independent audit.",
  "url": "https://privacyratings.com/browsers/ironfox/",
  "markdown": "https://privacyratings.com/browsers/ironfox/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://codeberg.org/ironfox-oss/IronFox/src/branch/dev/COPYING",
      "note": "Build scripts are AGPL-3.0, and patches are MPL-2.0 or Apache-2.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://ironfoxoss.org/docs/features/",
      "note": "Telemetry and data collection are disabled at build time, and tracking libraries such as Adjust and Sentry are removed."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://ironfoxoss.org/",
      "note": "Volunteer project. It does not collect, store or sell user data and has no ads."
    },
    "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": "yes",
      "evidence": "https://ironfoxoss.org/docs/features/",
      "note": "Ships uBlock Origin and enables Strict Enhanced Tracking Protection by default."
    },
    "fingerprinting_protection": {
      "title": "Fingerprinting protection",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://ironfoxoss.org/docs/features/",
      "note": "Enables Firefox's fingerprinting protection by default, which alters fingerprinting data."
    },
    "no_google_services": {
      "title": "No calls to big-tech services",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://ironfoxoss.org/docs/safe-browsing/",
      "note": "Google Safe Browsing is on by default through a privacy proxy and can be turned off in settings. Google Play Services are not required."
    },
    "security_updates": {
      "title": "Timely security updates",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://ironfoxoss.org/releases/",
      "note": "Releases follow each Firefox release, and Accrescent installs updates automatically."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:02:38.791Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}