# uBlock Origin vs AdBlock: privacy compared

| Criterion | uBlock Origin | AdBlock |
| --- | --- | --- |
| Grade | B (88/100) | F (24/100) |
| Jurisdiction | Unknown | United States (Five Eyes) |
| Open source | Yes | Partial |
| No trackers or telemetry | Yes | No |
| No ads or data sales | Yes | No |
| Independent audit | No | No |
| Effective by default | Yes | No |
| No browsing data collected | Yes | Partial |
| Custom filters | Yes | Yes |

**uBlock Origin.** uBlock Origin scores 88 out of 100 (grade B) on the ad and tracker blockers criteria. It meets 6 of 7 criteria: open source, no trackers or telemetry, no ads or data sales, effective by default, no browsing data collected and custom filters. It does not meet independent audit.

**AdBlock.** AdBlock scores 24 out of 100 (grade F) on the ad and tracker blockers criteria. It meets 1 of 7 criteria: custom filters. It partly meets open source and no browsing data collected. It does not meet no trackers or telemetry, no ads or data sales, independent audit and effective by default. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.

Source: https://privacyratings.com/compare/ad-blockers/ublock-origin-vs-adblock/