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Browser Extensions · head to head

Tampermonkey vs Wappalyzer

Tampermonkey logo

Tampermonkey

Browser Extensions

The most popular 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: Tampermonkey only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use; Wappalyzer cannot detect server-side or hidden technologies without client-side footprints
  • They diverge on capability: Tampermonkey covers Userscript management, Wappalyzer covers Technology detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Tampermonkey and Wappalyzer actually diverge.

Attributes where Tampermonkey and Wappalyzer differ
AttributeTampermonkeyWappalyzer
Pricing modelopen-sourceUnknown
PlatformsWeb, Windows, macOS, Linux, AndroidChrome, Firefox, Edge, Web
Founded20102009

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 Tampermonkey

  • Userscript management
  • Script editor
  • Auto-update
  • Cloud sync
  • 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.

Tampermonkey

  • Auto-run custom JavaScript to add features to specific websitesnot Wappalyzer
  • Block ads, remove clutter, or reformat page layout via community/personal userscriptsnot Wappalyzer
  • Run scripts sourced from Greasy Fork or similar userscript repositoriesnot Wappalyzer
  • Automate repetitive web tasks such as form-filling or redirect skipping via installed scriptsnot Wappalyzer

Wappalyzer

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

Where each one falls short

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

Tampermonkey

  • Only source code up to version 2.9 is GPLv3; all newer versions are distributed under a proprietary license despite the extension itself being free to use
  • Under Manifest V3, GM_webRequest is not (yet) supported
  • Under Manifest V3, GM_xmlhttpRequest fires only one progress event instead of streaming progress, requiring a responseType: 'stream' workaround
  • Since v5.3.2, Chrome/Edge (MV3) requires the user to manually enable Developer Mode, or from Chrome 138+ a per-extension 'Allow User Scripts' toggle, before any userscript will run

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

Tampermonkey

Free

No published plan breakdown. See the Tampermonkey review.

Wappalyzer

Free

No published plan breakdown. See the Wappalyzer review.

Which should you pick?

Choose Tampermonkey if

  • You need userscript management.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux, Android.
  • You also want script editor.
Tampermonkey 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 Tampermonkey or Wappalyzer better?
Neither clearly leads. Tampermonkey 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, Tampermonkey or Wappalyzer?
Tampermonkey starts at Free and Wappalyzer at Free.
Does Tampermonkey or Wappalyzer run on more platforms?
Tampermonkey runs on Web, Windows, macOS, Linux, Android. Wappalyzer runs on Chrome, Firefox, Edge, Web.
Can I use Tampermonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Tampermonkey best used for?
Tampermonkey is most often used for auto-run custom javascript to add features to specific websites, block ads, remove clutter, or reformat page layout via community/personal userscripts, run scripts sourced from greasy fork or similar userscript repositories, automate repetitive web tasks such as form-filling or redirect skipping via installed scripts. Of those, auto-run custom javascript to add features to specific websites and block ads, remove clutter, or reformat page layout via community/personal userscripts are not what Wappalyzer is typically brought in for.
What can Tampermonkey do that Wappalyzer cannot?
Tampermonkey covers Userscript management, Script editor, Auto-update, Cloud sync. Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Tampermonkey: How much does Tampermonkey cost?

Tampermonkey is completely free for all versions and across all supported browsers including Chrome, Edge, Safari, Opera, and Firefox.

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
Tampermonkey: Is Tampermonkey available on all browsers?

Yes, Tampermonkey is available on Chrome 120 and later, Microsoft Edge, Safari, Opera Next, and Firefox with no cost.

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
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
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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