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Browser Extensions · head to head

AdBlock Plus vs TrustArc

AdBlock Plus logo

AdBlock Plus

Browser Extensions

The world's most popular ad blocker

From
Free
Rated
-
Full reviewWebsite
TrustArc logo

TrustArc

Cybersecurity

Privacy management platform with regulatory research and the TRUSTe certification programme

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only AdBlock Plus has a free tier, so it costs nothing to try first.
  • Each has a real cost: AdBlock Plus acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest; TrustArc the software layer is generally shallower than OneTrust, particularly automated data discovery across large heterogeneous estates, so organisations with sprawling infrastructure often still need a separate discovery tool.
  • They diverge on capability: AdBlock Plus covers Ad blocking, TrustArc covers Nymity Research.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which AdBlock Plus and TrustArc actually diverge.

Attributes where AdBlock Plus and TrustArc differ
AttributeAdBlock PlusTrustArc
Starting priceFreeOn request
Pricing modelfreequote
Free tierYesNo
PlatformsChrome, Edge, Firefox, Opera, Safari, Yandex BrowserWeb
CategoryBrowser ExtensionsCybersecurity
Founded2006Unknown

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in AdBlock Plus

  • Ad blocking
  • Acceptable Ads
  • Custom filters
  • Social media blocking
  • Chrome support
  • Firefox support
  • Edge support
  • Safari support

Only in TrustArc

  • Nymity Research
  • TRUSTe certification
  • Consent and preference management
  • Privacy assessments
  • Data inventory and mapping
  • Individual rights requests
  • Cookie consent manager
  • Privacy programme benchmarking

What people use each for

The jobs each tool is most often brought in to do.

AdBlock Plus

  • Ad blocking for display ads, video advertisements including YouTube pre-roll/mid-roll/post-roll, pop-ups, flashing banners, and overlay adsnot TrustArc
  • Performance enhancement by eliminating ad content to accelerate page load times and reduce data and battery consumption on mobile devicesnot TrustArc
  • Security and privacy protection by blocking malware-infected ads (malvertising), preventing tracking by companies monitoring user behavior, and stopping access to malware-distributing sitesnot TrustArc
  • Supports web browsers including Chrome, Firefox, Edge, Opera, and Safari, as well as iOS Safari and Android devicesnot TrustArc

TrustArc

  • A consumer brand that needs an independent privacy seal on its website because enterprise customers or app stores ask for third-party verificationnot AdBlock Plus
  • A multinational privacy team that needs a maintained answer to what a given jurisdiction requires without retaining outside counsel for every questionnot AdBlock Plus
  • An organisation running DPIAs at volume that wants templates tied to a maintained regulatory library rather than to a consultant word documentnot AdBlock Plus
  • A privacy programme being audited that needs documented maturity benchmarking against a recognised framework of programme activitiesnot AdBlock Plus

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

AdBlock Plus

  • Acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest
  • Smaller feature set compared to open-source alternatives like uBlock Origin
  • Less customization and dynamic filtering compared to uBlock Origin
  • Mobile version less comprehensive than desktop extension
  • Chrome version increasingly limited due to Manifest V3 migration

TrustArc

  • The software layer is generally shallower than OneTrust, particularly automated data discovery across large heterogeneous estates, so organisations with sprawling infrastructure often still need a separate discovery tool.
  • The integration catalogue is smaller than the market leader, which means more of the data inventory is maintained by hand and drifts out of date between reviews.
  • Certification services are sold separately from the platform subscription, so the seal that is often the reason for choosing TrustArc is an extra line item and an extra annual renewal.
  • Reported contract values vary enormously by module mix and organisation size, and the absence of published pricing means smaller buyers have no anchor and routinely discover the entry price is higher than expected.
  • TrustArc stays inside privacy, so organisations that later want third-party risk, security compliance or ethics reporting on the same platform will be running a second vendor anyway.

Pricing, plan by plan

AdBlock Plus

Free
  • FreeFree
    • Ad blocking
    • Acceptable Ads option
    • Custom filters

TrustArc

On request
  • TrustArc Privacy Platform$undefined/year
    • Quoted by module, entity count and data volume
    • TRUSTe certification and assessment services priced separately from platform subscription
    • Nymity Research licensed as a separate module

Which should you pick?

Choose AdBlock Plus if

  • You need ad blocking.
  • You want to start without paying.
  • You work on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser.
  • You also want acceptable ads.
AdBlock Plus review

Choose TrustArc if

  • You need nymity research.
  • You also want truste certification.
TrustArc review

Questions people ask

Is AdBlock Plus or TrustArc better?
Neither clearly leads. AdBlock Plus starts at Free and TrustArc at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AdBlock Plus or TrustArc?
AdBlock Plus has a free tier; the other does not. Paid plans start at Free for AdBlock Plus and On request for TrustArc.
Does AdBlock Plus or TrustArc run on more platforms?
AdBlock Plus runs on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser. TrustArc runs on Web.
Can I use AdBlock Plus for free?
Yes. AdBlock Plus has a free tier, so you can try it without paying. TrustArc starts at On request.
What is AdBlock Plus best used for?
AdBlock Plus is most often used for ad blocking for display ads, video advertisements including youtube pre-roll/mid-roll/post-roll, pop-ups, flashing banners, and overlay ads, performance enhancement by eliminating ad content to accelerate page load times and reduce data and battery consumption on mobile devices, security and privacy protection by blocking malware-infected ads (malvertising), preventing tracking by companies monitoring user behavior, and stopping access to malware-distributing sites, supports web browsers including chrome, firefox, edge, opera, and safari, as well as ios safari and android devices. Of those, ad blocking for display ads, video advertisements including youtube pre-roll/mid-roll/post-roll, pop-ups, flashing banners, and overlay ads and performance enhancement by eliminating ad content to accelerate page load times and reduce data and battery consumption on mobile devices are not what TrustArc is typically brought in for.
What can AdBlock Plus do that TrustArc cannot?
AdBlock Plus covers Ad blocking, Acceptable Ads, Custom filters, Social media blocking. TrustArc covers Nymity Research, TRUSTe certification, Consent and preference management, Privacy assessments.

Answered from the vendors’ own pages

AdBlock Plus: What does Adblock Plus block?

Adblock Plus blocks banner ads, pre-roll and mid-roll video ads on YouTube, pop-ups, sidebar ads, and most standard display formats. With Acceptable Ads disabled and EasyPrivacy enabled, it achieved a 100/100 score on AdBlock Tester in April 2026.

Source
TrustArc: What does TrustArc have that OneTrust does not?

Nymity Research, a maintained regulatory intelligence library acquired in 2019, and the TRUSTe third-party certification and seal programme.

AdBlock Plus: What browsers does Adblock Plus support?

Adblock Plus is available for Chrome, Edge, Firefox, Opera, Safari, and Yandex Browser.

Source
TrustArc: How much does TrustArc cost?

Not published. Reported enterprise agreements range widely depending on modules and organisation size, and certification services are quoted on top of the platform subscription.

AdBlock Plus: Is there a premium version of Adblock Plus?

Yes. Adblock Plus Premium costs $40 annually or $4 per month and allows users to block cookie consent pop-ups, while the free version includes core ad blocking.

Source
TrustArc: Is TRUSTe the same company?

Yes. TrustArc is the renamed TRUSTe business and still operates the TRUSTe certification programme as a subsidiary.

AdBlock Plus: What is Acceptable Ads?

Acceptable Ads is an opt-in setting that allows advertising Adblock Plus deems unobtrusive to display on websites; it is disabled by default but can be toggled in Settings.

TrustArc: Does it handle cookie consent for Europe?

Yes, it includes a consent manager with scanning and banner delivery, though pure-play consent vendors are cheaper if that is all you need.

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