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Browser Extensions · head to head

BuiltWith vs Stylus

BuiltWith logo

BuiltWith

Browser Extensions

See what websites are built with

From
Free
Rated
-
Full reviewWebsite
Stylus logo

Stylus

Browser Extensions

Restyle the web with custom CSS

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: BuiltWith free tier limited to individual site lookups with no features; Stylus crashes and instability when applying certain styles
  • They diverge on capability: BuiltWith covers Technology profiling, Stylus covers Custom CSS injection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which BuiltWith and Stylus actually diverge.

Attributes where BuiltWith and Stylus differ
AttributeBuiltWithStylus
Pricing modelsubscriptionfree
PlatformsWebChrome, Firefox, Edge, Opera
Founded20072017

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 BuiltWith

  • Technology profiling
  • Market research
  • Competitor analysis
  • Lead generation

Only in Stylus

  • Custom CSS injection
  • Style management
  • userstyles.world integration
  • Built-in editor
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

BuiltWith

  • Technology intelligence and market researchnot Stylus
  • Competitive analysis and lead generationnot Stylus
  • Web technology tracking and reportingnot Stylus

Stylus

  • Customizing website appearance with community-created CSS themesnot BuiltWith
  • Writing personal style overrides for specific websitesnot BuiltWith
  • Managing multiple styles across different websites automaticallynot BuiltWith
  • Searching and installing user-styles for current websitesnot BuiltWith
  • Migrating style collections from Stylish extensionnot BuiltWith

Where each one falls short

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

BuiltWith

  • Free tier limited to individual site lookups with no features
  • Basic plan severely limited: 2 technologies, 2 keywords, 2 reports
  • Single login user on Basic and Pro plans
  • Minimum paid plan is $295/month
  • No monthly payment option mentioned; minimum 1-month term annual

Stylus

  • Crashes and instability when applying certain styles
  • No visual element selector tool for identifying page elements to style
  • Security risk if downloading and applying untrusted user-created styles

Pricing, plan by plan

BuiltWith

Free
  • FreeFree
    • Individual site lookups
    • Limited data access
  • Basic$295/month
    • 2 Technologies
    • 2 Keywords
    • 2 Retail Reports
  • Pro$495/month
    • Unlimited Technologies
    • Unlimited Keywords
    • Unlimited Retail Reports
  • Team$995/month
    • Unlimited access all features
    • Unlimited Pro Logins
    • CRM Integration

Stylus

Free
  • FreeFree
    • Custom CSS
    • Style library
    • Style editor

Which should you pick?

Choose BuiltWith if

  • You need technology profiling.
  • You want to start without paying.
  • You also want market research.
BuiltWith review

Choose Stylus if

  • You need custom css injection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want style management.
Stylus review

Questions people ask

Is BuiltWith or Stylus better?
Neither clearly leads. BuiltWith starts at Free and Stylus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BuiltWith or Stylus?
BuiltWith starts at Free and Stylus at Free.
Does BuiltWith or Stylus run on more platforms?
BuiltWith runs on Web. Stylus runs on Chrome, Firefox, Edge, Opera.
Can I use BuiltWith for free?
Both have a free tier, so you can try either at no cost before committing.
What is BuiltWith best used for?
BuiltWith is most often used for technology intelligence and market research, competitive analysis and lead generation, web technology tracking and reporting. Of those, technology intelligence and market research and competitive analysis and lead generation are not what Stylus is typically brought in for.
What can BuiltWith do that Stylus cannot?
BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. Stylus covers Custom CSS injection, Style management, userstyles.world integration, Built-in editor. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

BuiltWith: Does BuiltWith offer a free plan?

Yes, BuiltWith offers a free tier for individual website lookups. For full features, paid plans start at $295/month (Basic).

Source
Stylus: Is Stylus free?

Yes. Stylus is completely free and open-source, available for Chrome, Firefox, Edge, and Opera browsers.

Source
BuiltWith: What are the differences between Basic and Pro plans?

Basic ($295/month) includes 2 technologies, 2 keywords, and 2 retail reports. Pro ($495/month) provides unlimited access to technologies, keywords, and retail reports.

Source
Stylus: Can I use Stylus to change the browser UI?

No. Due to WebExtensions security restrictions, Stylus can only customize website pages, not the browser interface itself.

Source
BuiltWith: How many users can access BuiltWith simultaneously?

Basic and Pro plans include 1 system login. The Team plan at $995/month provides unlimited Pro Logins for multi-user access.

Source
Stylus: What CSS pre-processors does Stylus support?

Stylus supports CSS, LESS, and Stylus syntax with built-in linting using Stylelint and CSSLint-mod with customizable rules.

Source
BuiltWith: What payment methods does BuiltWith accept?

BuiltWith accepts credit cards (Visa, Mastercard, Amex), PayPal, Bitcoin, and wire transfers for yearly contracts.

Source
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