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Browser Extensions · head to head

AdBlock Plus vs Wappalyzer

AdBlock Plus logo

AdBlock Plus

Browser Extensions

The world's most popular ad blocker

From
Free
Rated
-
Full reviewWebsite
Wappalyzer logo

Wappalyzer

Browser Extensions

Identify web technologies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: AdBlock Plus acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest; Wappalyzer cannot detect server-side or hidden technologies without client-side footprints
  • They diverge on capability: AdBlock Plus covers Ad blocking, Wappalyzer covers Technology detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where AdBlock Plus and Wappalyzer differ
AttributeAdBlock PlusWappalyzer
Pricing modelfreeUnknown
PlatformsChrome, Edge, Firefox, Opera, Safari, Yandex BrowserChrome, Firefox, Edge, Web
Founded20062009

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

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
  • Safari support
  • Opera support

Only in Wappalyzer

  • Technology detection
  • CMS identification
  • Framework analysis
  • Analytics tracking

Both cover

  • Chrome support
  • Firefox support
  • Edge support

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 Wappalyzer
  • Performance enhancement by eliminating ad content to accelerate page load times and reduce data and battery consumption on mobile devicesnot Wappalyzer
  • Security and privacy protection by blocking malware-infected ads (malvertising), preventing tracking by companies monitoring user behavior, and stopping access to malware-distributing sitesnot Wappalyzer
  • Supports web browsers including Chrome, Firefox, Edge, Opera, and Safari, as well as iOS Safari and Android devicesnot Wappalyzer

Wappalyzer

  • Building target prospect lists filtered by specific technology adoptionnot AdBlock Plus
  • Detecting when competitors migrate to new development stacksnot AdBlock Plus
  • Enriching CRM records with discovered technology stack informationnot AdBlock Plus
  • Identifying timing signals from prospect infrastructure changesnot 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

Wappalyzer

  • Cannot detect server-side or hidden technologies without client-side footprints
  • Went closed-source in 2023; self-hosting now difficult without maintaining community forks
  • Data export features locked to Business plan ($450/month) minimum

Pricing, plan by plan

AdBlock Plus

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

Wappalyzer

Free

No published plan breakdown. See the Wappalyzer review.

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 Wappalyzer if

  • You need technology detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Web.
  • You also want cms identification.
Wappalyzer review

Questions people ask

Is AdBlock Plus or Wappalyzer better?
Neither clearly leads. AdBlock Plus starts at Free and Wappalyzer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AdBlock Plus or Wappalyzer?
AdBlock Plus starts at Free and Wappalyzer at Free.
Does AdBlock Plus or Wappalyzer run on more platforms?
AdBlock Plus runs on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser. Wappalyzer runs on Chrome, Firefox, Edge, Web.
Can I use AdBlock Plus for free?
Both have a free tier, so you can try either at no cost before committing.
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 Wappalyzer is typically brought in for.
What can AdBlock Plus do that Wappalyzer cannot?
AdBlock Plus covers Ad blocking, Acceptable Ads, Custom filters, Social media blocking. Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. Both handle Chrome support, Firefox support, Edge support.

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
Wappalyzer: Does Wappalyzer have a free version?

Yes. Wappalyzer's browser extension is completely free and provides unlimited technology lookups with no account required. The free tier includes basic website technology detection across all categories.

Source
AdBlock Plus: What browsers does Adblock Plus support?

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

Source
Wappalyzer: What are the paid pricing tiers for Wappalyzer?

Wappalyzer's paid plans start at $250/month for Pro (5,000 lookups, 1 user), $450/month for Business (20,000 lookups, 5 users, API access), and $850+/month for Enterprise (200,000+ lookups, 25+ users). Annual billing offers 17% discount.

Source
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
Wappalyzer: Can Wappalyzer detect all website technologies?

Wappalyzer detects over 1,000 technologies but cannot detect server-side or hidden technologies, backend infrastructure, internal databases, or ERP systems with no client-side footprint.

Source
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.

Wappalyzer: Can Wappalyzer be self-hosted?

Wappalyzer went closed-source in 2023 when the GitHub repository was taken down. It can be deployed via Docker or npm, but the community-contributed fingerprint database is now part of the commercial product. Open-source forks are available but not officially maintained.

Source
Wappalyzer: What integrations does Wappalyzer offer?

Wappalyzer integrates with CRM systems like Salesforce and HubSpot, and supports lead list exports and API access for business users on paid plans.

Source
Wappalyzer: When does Wappalyzer data export become available?

Data export and lead list generation features are only available on the Business plan ($450/month) and above, not on the Pro tier.

Source
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