Tool Comparison
CB Insights vs Similarweb
- Paid from
- On request
- Free plan
- No
- Platforms
- Web, Mobile, API
Best if
- You do a lot of your research from your phone
- You want screeners, corporate actions & special situations, and newsletters.
- Paid from
- On request
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You'd rather start free and only pay if you outgrow it
- You want app & website traffic.
Start here
CB Insights
Contact for pricing · Web · Mobile · API
- You do a lot of your research from your phone
- You want screeners, corporate actions & special situations, and newsletters.
Pick Similarweb instead if
Similarweb
Free • Contact for pricing · Web · API
- You'd rather start free and only pay if you outgrow it
- You want app & website traffic.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
CB Insights and Similarweb cover a lot of the same ground (3 shared categories, APIs & data feeds, sheets / excel add-ins, and data visualizations), so for the basics you won't go far wrong with either. CB Insights simply does more: 7 categories to Similarweb's 4, including screeners, corporate actions & special situations, and newsletters, plus a mobile app. Similarweb counters by being completely free.
What readers say
CB Insights
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Similarweb
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Key differences at a glance
- Free plan
- Similarweb
- Broader coverage
- CB Insights7 vs 4 categories
- Mobile app
- CB Insights
- Asset coverage
- CB InsightsAdds stocks
What CB Insights does best
- Research coverage for private and public companies, investors, funding rounds, M&A, business relationships, earnings, markets, and competitive markets.
- Company profiles, market analytics, visual dashboards, deal analysis, and sector tracking to map markets and competitors.
- Mosaic Score and other proprietary measures to evaluate private-company health and growth signals.
- Strategy Terminal, Browser Analyst, ChatCBI, and team-of-agents workflows for AI-assisted scouting, briefs, trend discovery, and market analysis.
- Access to CB Insights data into workflows through Excel, Salesforce, Microsoft 365 Copilot, Snowflake, Zapier, Affinity, A2A, MCP-style, and data-solution integrations where licensed.
What Similarweb does best
- Analysis of website traffic, engagement, channels, keyword demand, referral sources, competitors, company profiles, technologies, and app intelligence where plan access allows.
- Free public tools for high-level samples such as traffic checks, app analytics, keyword tools, top websites or apps, and company or technology profiles.
- Similarweb API V5 in REST or Batch mode with API-key authentication, standardized responses, multi-metric requests, MCP and AI support, and one key across endpoint families.
- Subscriptions to daily or monthly release notifications through webhooks where API workflow access is available.
- Export support for data through no-code Data Exporter, scheduled email delivery, CSV downloads, dashboards, tables, Excel, PDF, PPT, and PNG formats depending on product access.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Contact for pricing | Free • Contact for pricing |
Free tier | No | Yes |
Free trial | — | — |
Plan limits | 3 limits: Browser Analyst: pricing: Request pricing, Strategy Terminal: pricing: Request pricing +1 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Integrations | Salesforce, Microsoft Excel +6 more | Microsoft Excel, Google Sheets +8 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 7 | 4 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | Latency: End of Day and Granularity: EOD |
Security | — | SOC2 and ISO27001 |
| Try it | Visit CB Insights | Visit Similarweb |
Standout features
The best features of CB Insights and Similarweb.ShowHide
Standout features
What CB Insights does best
- Research coverage for private and public companies, investors, funding rounds, M&A, business relationships, earnings, markets, and competitive markets.
- Company profiles, market analytics, visual dashboards, deal analysis, and sector tracking to map markets and competitors.
- Mosaic Score and other proprietary measures to evaluate private-company health and growth signals.
- Strategy Terminal, Browser Analyst, ChatCBI, and team-of-agents workflows for AI-assisted scouting, briefs, trend discovery, and market analysis.
- Access to CB Insights data into workflows through Excel, Salesforce, Microsoft 365 Copilot, Snowflake, Zapier, Affinity, A2A, MCP-style, and data-solution integrations where licensed.
What Similarweb does best
- Analysis of website traffic, engagement, channels, keyword demand, referral sources, competitors, company profiles, technologies, and app intelligence where plan access allows.
- Free public tools for high-level samples such as traffic checks, app analytics, keyword tools, top websites or apps, and company or technology profiles.
- Similarweb API V5 in REST or Batch mode with API-key authentication, standardized responses, multi-metric requests, MCP and AI support, and one key across endpoint families.
- Subscriptions to daily or monthly release notifications through webhooks where API workflow access is available.
- Export support for data through no-code Data Exporter, scheduled email delivery, CSV downloads, dashboards, tables, Excel, PDF, PPT, and PNG formats depending on product access.
All details
Every attribute we track for CB Insights and Similarweb.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksOther | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
| Data | ||
Data freshness | Not specified | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeyWebhooks |
Import methods | Not specified | CSV |
Integrations | SalesforceMicrosoft ExcelMicrosoft 365 CopilotSnowflakeAffinityZapierA2AMCP | Microsoft ExcelGoogle SheetsGoogle Looker StudioTableauPower BISnowflakeDatabricksSalesforce+2 more |
Export formats | Not specified | CSVExcelJSONPDFImage |
| Plans & trust | ||
Security & compliance | Not specified | SOC2ISO27001 |
Vendor & support | CB Information Services, Inc.Country: United StatesSupport: Email and Phone | Similarweb Ltd.Support: Email |
Curation ratings | Not specified | Methodology 4/5Reliability 4/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | — | Free |
| Entry paid plan | — | Subscription“Self-service packages” |
| Custom / enterprise | Contact sales“Browser Analyst”pricing: Request pricing | Contact sales“Business and Enterprise” |
Alternatives
Free alternatives
Questions we keep getting
What's the difference between CB Insights and Similarweb?
CB Insights leans toward APIs & data feeds, sheets / excel add-ins, and screeners, while Similarweb puts more weight on app & website traffic, APIs & data feeds, and sheets / excel add-ins. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
Is CB Insights or Similarweb free to use?
Similarweb has a free tier, so you can get started without paying anything. CB Insights is paid-only. If budget matters, start with Similarweb and see how far it takes you before opening your wallet.
Can I use CB Insights or Similarweb on my phone?
CB Insights lists a dedicated mobile app, so it travels better. Similarweb doesn't list a dedicated mobile app; its documented access is web and API.
Do CB Insights and Similarweb have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose CB Insights or Similarweb?
It depends on what you're after. Pick CB Insights if screeners and corporate actions & special situations matter to you; go with Similarweb if you'd rather have app & website traffic. And if you only need the basics both share, let price decide.
What asset classes do CB Insights and Similarweb cover?
Both cover other. CB Insights also handles stocks.
Can I export data from CB Insights and Similarweb?
Similarweb exports to CSV and Excel. CB Insights is stingier about getting data out.
Which has a better stock screener: CB Insights or Similarweb?
CB Insights has a stock screener for surfacing ideas; Similarweb doesn't, and focuses its energy elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.