Software · head to head
BuiltWith vs SimilarWeb
The short version
- Each has a real cost: BuiltWith free tier limited to individual site lookups only; no commercial use or reporting; SimilarWeb browser extension data accuracy is lower than full platform
- They diverge on capability: BuiltWith covers Technology profiling, SimilarWeb covers Traffic analytics.
Where they differ
Only the attributes on which BuiltWith and SimilarWeb actually diverge.
| Attribute | BuiltWith | SimilarWeb |
|---|---|---|
| Pricing model | Unknown | freemium |
| Platforms | Web | Web, Browser Extension |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2007).
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 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.
BuiltWith
- Technology intelligence for identifying web technologies used by competitor companiesnot SimilarWeb
- Lead generation using technology adoption and spend data signalsnot SimilarWeb
SimilarWeb
No use cases recorded yet. See the SimilarWeb review.
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 only; no commercial use or reporting
- Basic plan limited to 2 technologies, 2 keywords, 2 retail reports, and 1 system login
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
BuiltWith
FreeNo published plan breakdown. See the BuiltWith review.
SimilarWeb
Free- FreeFree
- Traffic overview
- Engagement metrics
- Similar sites
Which should you pick?
Choose BuiltWith if
- You need technology profiling.
- You want to start without paying.
- You also want market research.
Choose SimilarWeb if
- You need traffic analytics.
- You want to start without paying.
- You work on Web, Browser Extension.
- You also want audience insights.
Questions people ask
- Is BuiltWith or SimilarWeb better?
- Neither clearly leads. BuiltWith 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, BuiltWith or SimilarWeb?
- BuiltWith starts at Free and SimilarWeb at Free.
- Does BuiltWith or SimilarWeb run on more platforms?
- BuiltWith runs on Web. SimilarWeb runs on Web, Browser Extension.
- 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 for identifying web technologies used by competitor companies, lead generation using technology adoption and spend data signals. Of those, technology intelligence for identifying web technologies used by competitor companies and lead generation using technology adoption and spend data signals are not what SimilarWeb is typically brought in for.
- What can BuiltWith do that SimilarWeb cannot?
- BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Both handle Chrome support, Firefox support, Edge support.
Answered from the vendors’ own pages
SimilarWeb: Is the SimilarWeb browser extension free?
Yes. The SimilarWeb browser extension is completely free to install and use with no paid tiers and no credit card required.
SourceSimilarWeb: How many websites does SimilarWeb cover?
SimilarWeb provides access to intelligence from 1B+ websites and 8M apps, tracks 5B search terms and 250M display ads across 190 countries and 210 industries.
SourceSimilarWeb: How accurate is SimilarWeb extension data?
Browser extension data accuracy is lower than the full platform, but it is adequate for ballpark figures of traffic estimates.
Source