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Browser Extensions · head to head

Violentmonkey vs Wappalyzer

Violentmonkey logo

Violentmonkey

Browser Extensions

Open source userscript manager

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: Violentmonkey smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts; Wappalyzer cannot detect server-side or hidden technologies without client-side footprints
  • They diverge on capability: Violentmonkey covers Userscript support, Wappalyzer covers Technology detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Violentmonkey and Wappalyzer actually diverge.

Attributes where Violentmonkey and Wappalyzer differ
AttributeViolentmonkeyWappalyzer
PlatformsChrome, Firefox, EdgeChrome, Firefox, Edge, Web
Founded20132009

Identical on both: starting price (Free), pricing model (Unknown), 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 Violentmonkey

  • Userscript support
  • Clean interface
  • Cloud sync
  • Script editor
  • 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.

Violentmonkey

  • Run open-source userscripts to customize or automate web pagesnot Wappalyzer
  • Import scripts compatible with Greasemonkey and Tampermonkey formatsnot Wappalyzer
  • Sync scripts and settings across browsers via Dropbox, OneDrive, Google Drive, or WebDAVnot Wappalyzer
  • Batch import/export scripts as zip filesnot Wappalyzer

Wappalyzer

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

Where each one falls short

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

Violentmonkey

  • Smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
  • Less marketing and visibility results in lower adoption compared to more widely-known alternatives
  • Community maintenance model means slower feature development compared to commercial alternatives

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

Violentmonkey

Free

No published plan breakdown. See the Violentmonkey review.

Wappalyzer

Free

No published plan breakdown. See the Wappalyzer review.

Which should you pick?

Choose Violentmonkey if

  • You need userscript support.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean interface.
Violentmonkey 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 Violentmonkey or Wappalyzer better?
Neither clearly leads. Violentmonkey 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, Violentmonkey or Wappalyzer?
Violentmonkey starts at Free and Wappalyzer at Free.
Does Violentmonkey or Wappalyzer run on more platforms?
Violentmonkey runs on Chrome, Firefox, Edge. Wappalyzer runs on Chrome, Firefox, Edge, Web.
Can I use Violentmonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Violentmonkey best used for?
Violentmonkey is most often used for run open-source userscripts to customize or automate web pages, import scripts compatible with greasemonkey and tampermonkey formats, sync scripts and settings across browsers via dropbox, onedrive, google drive, or webdav, batch import/export scripts as zip files. Of those, run open-source userscripts to customize or automate web pages and import scripts compatible with greasemonkey and tampermonkey formats are not what Wappalyzer is typically brought in for.
What can Violentmonkey do that Wappalyzer cannot?
Violentmonkey covers Userscript support, Clean interface, Cloud sync, Script editor. Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Violentmonkey: Is Violentmonkey open-source?

Yes. Violentmonkey is fully open-source and available on GitHub, making it free to use and community-maintained unlike Tampermonkey which has a larger proprietary ecosystem.

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
Violentmonkey: What browsers does Violentmonkey support?

Violentmonkey works on browsers with WebExtensions support, including Chrome, Firefox, Edge, and other Chromium-based browsers.

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
Violentmonkey: How does Violentmonkey compare to Tampermonkey in performance?

Community benchmarks show Violentmonkey uses about 15 to 30 percent less RAM on Chrome compared to Tampermonkey when managing many open tabs.

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
Violentmonkey: What is the current version of Violentmonkey?

Violentmonkey reached version 2.46.0 as of July 31, 2026, with active ongoing development and regular updates to the open-source project.

Source
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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