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Builtwith vs Similarweb: Which is Better in 2026?

Choosing between Builtwith and Similarweb comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Builtwith wins this matchup. Google Analytics is our overall Web Analytics pick. Google Analytics is our free Web Analytics pick. Pick Similarweb if you need its specific feature set.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Oct 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Builtwith

See the tech stack behind any website

Best for you if:

  • • You want a free tier before you commit
  • • You want technology lookup
  • • You want good for sales

Similarweb

Unlock competitor traffic and digital marketing strategies

Best for you if:

  • • You want good competitive intelligence
  • • You want traffic estimates
At a Glance
BuiltwithBuiltwith
SimilarwebSimilarweb
Starts at
FreeFree tier available
$125/moCompetitive Intelligence
Best For
Web AnalyticsWeb Analytics
Rating
4.3/54.5/5
Free plan
Yes No

Choose Builtwith or Similarweb?

Builtwith

Choose Builtwith if

See the tech stack behind any website

  • You want a free tier before you commit
  • You want technology lookup
  • You want good for sales
Similarweb

Choose Similarweb if

Unlock competitor traffic and digital marketing strategies

  • You want good competitive intelligence
  • You want traffic estimates
FeatureBuiltwithSimilarweb
Pricing ModelFreemiumPaid
User Rating
★4.3/5
92 reviews
★4.5/5
1,969 reviews
Categories
Web AnalyticsCompetitive Intelligence
Web AnalyticsCompetitive Intelligence

In-Depth Analysis

BuiltwithBuiltwith

See the tech stack behind any website

Starts at Free
Good value

BuiltWith's pricing is fair for its target audience, offering a free extension for basic needs and a significant jump to $295/month for API access.

Strengths

  • +Technology lookup
  • +Good for sales
  • +Browser extension
  • +Active development
  • +Good data

Weaknesses

  • -Expensive
  • -Credit-based
  • -Limited free tier
  • -Better alternatives exist
  • -Privacy concerns

Key features

Technology lookupWebsite profilingLead generationMarket researchAPI accessReports

SimilarwebSimilarweb

Unlock competitor traffic and digital marketing strategies

Starts at $125/mo
Fair value

Similarweb's pricing, starting at $125/month for Competitive Intelligence, is on the higher side for basic website analytics, especially with limited historical data.

Watch out

Monthly billing is standard, annual not shown for lower tiers

Strengths

  • +Good competitive intelligence
  • +Traffic estimates
  • +Market research
  • +Industry data
  • +API available

Weaknesses

  • -Expensive
  • -Data accuracy varies
  • -Limited free tier
  • -Enterprise sales
  • -Small site data limited

Key features

Website analyticsTraffic dataCompetitor analysisMarket researchIndustry benchmarksAPI access

Pricing: Builtwith vs Similarweb

PlanBuiltwithSimilarweb
Tier 1
Free
Free
$125
Competitive Intelligence
Tier 2
$295 month
Basic
$335
Competitive Intel + SEO
Tier 3N/A
$540
CI + SEO + Ads
Tier 4N/A
Custom
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Builtwith pricing and Similarweb pricing.

Who Should Use What?

On a budget?

Builtwith has a free tier. Similarweb is paid only.

Go with: Builtwith

Want the highest-rated option?

Builtwith: 4.3/5 (92 reviews). Similarweb: 4.5/5 (1,969 reviews).

Go with: Similarweb

Value user reviews?

Builtwith: 92 reviews (4.3/5). Similarweb: 1,969 reviews (4.5/5).

Go with: Similarweb

3 Questions to Help You Decide

1

What's your budget?

Builtwith is freemium. Similarweb is paid. Builtwith lets you start free.

2

What's your use case?

Both are web analytics tools. Compare their specific features to decide.

3

How important are ratings?

Similarweb is rated higher: 4.5/5 vs 4.3/5.

Key Takeaways

Builtwith

  • Free tier available
  • Our pick for this comparison

Similarweb

  • Higher user rating: 4.5/5 vs 4.3/5
  • Larger review base (1,969 reviews)

The Bottom Line

Builtwith wins this matchup. Google Analytics is our overall Web Analytics pick. Google Analytics is our free Web Analytics pick.

Frequently Asked Questions

Is Builtwith or Similarweb better?

Builtwith is rated in our evaluation. Builtwith is freemium and Similarweb is paid.

What are Builtwith and Similarweb used for?

Builtwith: See the tech stack behind any website. Similarweb: Unlock competitor traffic and digital marketing strategies.

What does Builtwith cost vs Similarweb?

Builtwith is freemium (free tier + paid plans). Similarweb is a paid tool. Visit their websites for detailed pricing.

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