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Head-to-head · Web Data Providers Software

Similarweb Digital Data vs Censys Attack Surface Management

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Similarweb Digital Data #2 in Web Data Providers Software 9.1/10 Pricing on request ✓ 2 of 2 features Visit Similarweb
Censys Attack Surface Management #6 in Web Data Providers Software 8.2/10 Pricing on request ✓ 0 of 2 features Visit Censys

Similarweb Digital Data leads on 0 checks, Censys Attack Surface Management on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSimilarweb Digital Data · 9.1/10
  • Most featuresSimilarweb Digital Data · 2 of 2

Similarweb Digital Data scores higher on our rubric for web data providers software: 9.1 against 8.2 out of 10; our editors rank them #2 and #6.

Similarweb Digital Data is the better fit for enterprise digital-market and audience datasets. Censys Attack Surface Management is the better fit for enterprise external attack-surface data.

  • Similarweb Digital Data fits best

    Enterprise digital-market and audience datasets

  • Censys Attack Surface Management fits best

    Enterprise external attack-surface data

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Side by side

Feature Similarweb Digital Data 9.1/10 Visit ↗ Censys Attack Surface Management 8.2/10 Visit ↗
At a glance
Editor score 9.1 8.2
Ranking #2 in Web Data Providers Software #6 in Web Data Providers Software
Best for Enterprise digital-market and audience datasets Enterprise external attack-surface data
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Similarweb Digital Data 2/2 · Censys Attack Surface Management 0/2
Historical data ✓ (best) Not checked yet
Custom datasets ✓ (best) Not checked yet
Specs
Data delivery Both Not checked yet
Refresh frequency Varies Not checked yet
Geographic coverage Global Not checked yet
Data categories website traffic, mobile apps, search, audience and market intelligence Not checked yet
Our review
Pros
  • Covers websites, mobile apps, search, audiences and market activity.
  • Offers API delivery alongside other data formats.
  • Historical records and custom datasets support tailored analysis.
  • Continuously discovers and monitors internet-facing assets and exposure changes
  • AWS, Google Cloud, and Azure connectors provide cloud asset visibility
  • API, alerts, and security-tool integrations support remediation workflows
Cons
  • Pricing requires contacting Similarweb.
  • Refresh frequency varies by dataset.
  • Designed as a data service, not a standalone analytics dashboard.
  • Pricing is sales-led, with no published plan prices or asset quotas
  • Cloud deployment may not suit teams seeking another deployment option
  • Mid-market and enterprise fit may exceed smaller teams’ needs
Our verdict

Similarweb Digital Data supplies digital-market and audience datasets for businesses, analysts and developers. Its scope includes website traffic and engagement, mobile app intelligence, search, digital behavior and broader market…

Read the review →

Censys Attack Surface Management discovers and monitors an organization’s internet-facing hosts, domains, certificates, services, and cloud resources. Its external scanning and attribution build an asset inventory, while risk…

Read the review →
  1. Similarweb Digital DataWeb Data Providers Software 9.1Pricing on request
  2. Censys Attack Surface ManagementWeb Data Providers Software 8.2Pricing on request

Strengths and trade-offs

  • Similarweb Digital Data — where it wins

    • Covers websites, mobile apps, search, audiences and market activity.
    • Offers API delivery alongside other data formats.
    • Historical records and custom datasets support tailored analysis.

    Where it doesn't

    • Pricing requires contacting Similarweb.
    • Refresh frequency varies by dataset.
    • Designed as a data service, not a standalone analytics dashboard.

  • Censys Attack Surface Management — where it wins

    • Continuously discovers and monitors internet-facing assets and exposure changes
    • AWS, Google Cloud, and Azure connectors provide cloud asset visibility
    • API, alerts, and security-tool integrations support remediation workflows

    Where it doesn't

    • Pricing is sales-led, with no published plan prices or asset quotas
    • Cloud deployment may not suit teams seeking another deployment option
    • Mid-market and enterprise fit may exceed smaller teams’ needs
  • Similarweb Digital Data9.1/10 · Pricing on request

    A broad digital-market data service for teams building analysis beyond a dashboard.

    Visit SimilarwebFull verdict →
  • Censys Attack Surface Management8.2/10 · Pricing on request

    Continuous asset discovery, exposure analysis, and remediation workflows for security teams.

    Visit CensysFull verdict →

More comparisons

All web data providers software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update