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 is our overall pick for web analytics workflows. Pick Similarweb if you need its specific feature set.
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 to try before committing
- • BuiltWith is a website profiling tool that reveals technology stacks behind any site
- • It identifies CMSs, analytics, e-commerce platforms, and marketing tools
Similarweb
Unlock competitor traffic and digital marketing strategies
Best for you if:
- • Similarweb is a digital intelligence platform for competitive analysis
- • It provides website traffic data, audience insights, and market research
| At a Glance |  Builtwith |  Similarweb |
|---|---|---|
Starts at | FreeFree tier available | $125/moCompetitive Intelligence |
Best For | Web Analytics | Web Analytics |
Rating | 4.3/5 | 4.4/5 |
Free plan | Yes | No |
Choose Builtwith or Similarweb?
Choose Builtwith if
See the tech stack behind any website
- Technology lookup
- Good for sales
- Browser extension
Choose Similarweb if
Unlock competitor traffic and digital marketing strategies
- Good competitive intelligence
- Traffic estimates
- Market research
| Feature | Builtwith | Similarweb |
|---|---|---|
| Pricing Model | Freemium | Paid |
| User Rating | ★4.3/5 61 reviews | ★4.4/5 1,213 reviews |
| Categories | Web AnalyticsCompetitive Intelligence | Web AnalyticsCompetitive Intelligence |
In-Depth Analysis
Builtwith
See the tech stack behind any website
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
Similarweb
Unlock competitor traffic and digital marketing strategies
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
Pricing: Builtwith vs Similarweb
| Plan | Builtwith | Similarweb |
|---|---|---|
| Tier 1 | Free Free | $125 Competitive Intelligence |
| Tier 2 | $295 month Basic | $335 Competitive Intel + SEO |
| Tier 3 | N/A | $540 CI + SEO + Ads |
| Tier 4 | N/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 (61 reviews). Similarweb: 4.4/5 (1,213 reviews).
Go with: Similarweb
Value user reviews?
Builtwith: 61 reviews (4.3/5). Similarweb: 1,213 reviews (4.4/5).
Go with: Similarweb
3 Questions to Help You Decide
What's your budget?
Builtwith is freemium. Similarweb is paid. Builtwith lets you start free.
What's your use case?
Both are web analytics tools. Compare their specific features to decide.
How important are ratings?
Similarweb is rated higher: 4.4/5 vs 4.3/5.
Key Takeaways
Builtwith
- Free tier available
- Our pick for this comparison
Similarweb
- Higher user rating: 4.4/5 vs 4.3/5
- Larger review base (1,213 reviews)
The Bottom Line
Builtwith is our 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.