# Betterbird vs Mozilla Thunderbird: privacy compared

| Criterion | Betterbird | Mozilla Thunderbird |
| --- | --- | --- |
| Grade | B (89/100) | B (86/100) |
| Jurisdiction | Germany (Fourteen Eyes) | United States (Five Eyes) |
| Open source | Yes | Yes |
| No trackers or telemetry | Yes | Partial |
| No ads or data sales | Yes | Yes |
| Independent audit | No | Partial |
| OpenPGP support | Yes | Yes |
| Connects directly | Yes | Yes |
| Blocks remote content | Yes | Yes |
| Works with any provider | Yes | Yes |

**Betterbird.** Betterbird scores 89 out of 100 (grade B) on the email clients criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, OpenPGP support, connects directly, blocks remote content and works with any provider. It does not meet independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).

**Mozilla Thunderbird.** Mozilla Thunderbird scores 86 out of 100 (grade B) on the email clients criteria. It meets 6 of 8 criteria: open source, no ads or data sales, OpenPGP support, connects directly, blocks remote content and works with any provider. It partly meets no trackers or telemetry and independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.

Source: https://privacyratings.com/compare/email-clients/betterbird-vs-mozilla-thunderbird/