{
  "slug": "berty",
  "category": "messengers",
  "name": "Berty",
  "description": "Peer-to-peer, end-to-end encrypted messenger built on IPFS by the French non-profit Berty Technologies. It needs no phone number or email and can exchange messages offline over Bluetooth and local networks.",
  "website": "https://berty.tech",
  "source": "https://github.com/berty/berty",
  "license": null,
  "platforms": [
    "android",
    "ios"
  ],
  "jurisdiction": {
    "code": "FR",
    "name": "France",
    "eyes": "Nine Eyes",
    "eu": true,
    "gdpr": true,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 89,
  "coverage": 100,
  "summary": "Berty scores 89 out of 100 (grade B) on the messengers criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, end-to-end encrypted by default, no phone number needed, metadata protection and decentralized. It does not meet independent audit. It is based in France: Nine Eyes member; EU member (GDPR).",
  "url": "https://privacyratings.com/messengers/berty/",
  "markdown": "https://privacyratings.com/messengers/berty/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/berty/berty/blob/master/LICENSE-APACHE",
      "note": "Dual-licensed under Apache-2.0 and MIT."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://reports.exodus-privacy.eu.org/en/reports/tech.berty.android/latest/",
      "note": "Exodus finds no trackers in the Android app."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://berty.tech/about",
      "note": "Developed by a non-profit organization that does not sell a product, with 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."
    },
    "e2ee_default": {
      "title": "End-to-end encrypted by default",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://berty.tech/about",
      "note": "All conversations, including groups, are end-to-end encrypted by default."
    },
    "no_phone_number": {
      "title": "No phone number needed",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://berty.tech/faq",
      "note": "No phone number or email is required; identity is based on public-key cryptography."
    },
    "metadata_protection": {
      "title": "Metadata protection",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://berty.tech/faq",
      "note": "There is no central server, rendezvous points rotate regularly, and users join each group with a group-specific identity."
    },
    "decentralized": {
      "title": "Decentralized",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://berty.tech/faq",
      "note": "Peer to peer over IPFS, with optional offline transports such as Bluetooth; anyone can run a replication node."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [
      {
        "name": "Simple Analytics",
        "host": "queue.simpleanalyticscdn.com",
        "effect": "partial"
      }
    ],
    "tested_at": "2026-10-01T06:38:21.828Z"
  },
  "last_modified": "2026-10-01T06:56:31Z"
}