Privacy Ratings

uBlock Origin vs 1Blocker: privacy compared

uBlock Origin and 1Blocker are both rated in ad and tracker blockers against the same 7 public criteria. uBlock Origin does better on open source and effective by default.

uBlock Origin compared with 1Blocker
CriterionuBlock Origin Our pick1Blocker
GradeGrade B B (88/100)Grade D D (53/100)
JurisdictionUnknownUnknown
Open source
Is all the source code needed to run the product public?
Yes sourceNo
No trackers or telemetry
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
Yes sourceYes source
No ads or data sales
Is the product funded without advertising, ad targeting or selling user data?
Yes sourceYes source
Independent audit
Has an independent security or privacy audit been published within the last three years?
NoNo
Effective by default
Does it block ads and trackers with its default settings, without paid tiers?
Yes sourceNo source
No browsing data collected
Does it work without sending browsing data to the developer?
Yes sourceYes source
Custom filters
Can users add their own filter lists and rules?
Yes sourceYes source

Summaries

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.

1Blocker. 1Blocker scores 53 out of 100 (grade D) on the ad and tracker blockers criteria. It meets 4 of 7 criteria: no trackers or telemetry, no ads or data sales, no browsing data collected and custom filters. It does not meet open source, independent audit and effective by default.

Compare all 11 ad and tracker blockers