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Browser Extensions · head to head

React Developer Tools vs SimilarWeb

React Developer Tools logo

React Developer Tools

Browser Extensions

Debug React applications in your browser

From
Free
Rated
-
Full reviewWebsite
SimilarWeb logo

SimilarWeb

Browser Extensions

Website traffic and competitive analysis

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: React Developer Tools react Developer Tools is only available as a Chrome browser extension. No support for other browsers mentioned.; SimilarWeb browser extension data accuracy is lower than full platform
  • They diverge on capability: React Developer Tools covers Component inspection, SimilarWeb covers Traffic analytics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which React Developer Tools and SimilarWeb actually diverge.

Attributes where React Developer Tools and SimilarWeb differ
AttributeReact Developer ToolsSimilarWeb
Pricing modelfreefreemium
PlatformsChrome, Firefox, EdgeWeb, Browser Extension
Founded20042007

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 React Developer Tools

  • Component inspection
  • Props/State viewing
  • Performance profiler
  • Hooks debugging

Only in SimilarWeb

  • Traffic analytics
  • Audience insights
  • Competitor research
  • Industry analysis

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

React Developer Tools

  • Debugging React components during developmentnot SimilarWeb
  • Inspecting component state and propsnot SimilarWeb
  • Performance profiling of React applicationsnot SimilarWeb

SimilarWeb

  • Analyzing competitor advertising across display, search, socialnot React Developer Tools
  • Understanding traffic loss to search and AI recommendationsnot React Developer Tools
  • Tracking brand visibility across ChatGPT and AI chatbotsnot React Developer Tools
  • Optimizing Amazon product placement with marketplace analyticsnot React Developer Tools
  • Identifying high-intent prospects at optimal buying momentsnot React Developer Tools

Where each one falls short

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

React Developer Tools

  • React Developer Tools is only available as a Chrome browser extension. No support for other browsers mentioned.

SimilarWeb

  • Browser extension data accuracy is lower than full platform
  • Full platform pricing is not transparent and requires quote-based inquiry

Pricing, plan by plan

React Developer Tools

Free
  • FreeFree
    • Component tree
    • Props inspection
    • State tracking

SimilarWeb

Free
  • FreeFree
    • Traffic overview
    • Engagement metrics
    • Similar sites

Which should you pick?

Choose React Developer Tools if

  • You need component inspection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want props/state viewing.
React Developer Tools review

Choose SimilarWeb if

  • You need traffic analytics.
  • You want to start without paying.
  • You work on Web, Browser Extension.
  • You also want audience insights.
SimilarWeb review

Questions people ask

Is React Developer Tools or SimilarWeb better?
Neither clearly leads. React Developer Tools starts at Free and SimilarWeb at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, React Developer Tools or SimilarWeb?
React Developer Tools starts at Free and SimilarWeb at Free.
Does React Developer Tools or SimilarWeb run on more platforms?
React Developer Tools runs on Chrome, Firefox, Edge. SimilarWeb runs on Web, Browser Extension.
Can I use React Developer Tools for free?
Both have a free tier, so you can try either at no cost before committing.
What is React Developer Tools best used for?
React Developer Tools is most often used for debugging react components during development, inspecting component state and props, performance profiling of react applications. Of those, debugging react components during development and inspecting component state and props are not what SimilarWeb is typically brought in for.
What can React Developer Tools do that SimilarWeb cannot?
React Developer Tools covers Component inspection, Props/State viewing, Performance profiler, Hooks debugging. SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

React Developer Tools: How much does React Developer Tools cost?

React Developer Tools is completely free. It is a free browser extension with no subscription fees or costs.

Source
SimilarWeb: How much does Similarweb cost?

Similarweb does not publish pricing. Custom packages are available for businesses and enterprises. Self-service options are available for entrepreneurs and small teams. Customers must start a free trial or contact sales to receive a quote.

Source
React Developer Tools: Is React Developer Tools available for download?

Yes. React Developer Tools is available as a free extension on the Chrome Web Store for download at no cost.

Source
SimilarWeb: Does Similarweb offer a free trial?

Yes. Similarweb offers free trials for its various products. Users can start a free trial through their registration page or contact support to switch between different product trials.

Source
SimilarWeb: What products does Similarweb offer?

Similarweb offers the Competitive Intelligence Suite, Strategic SEO Suite, Ads Intelligence Suite, Gen AI Intelligence Suite, AI Studio with natural language queries, custom data feeds, API access, and managed services with custom dashboards.

Source
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