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Sonar vs Datasense

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sonar compared with Datasense
DetailSonar logo SonarDatasense logo Datasense
What it doesFree website tracking checker that scans any site and reports what's really tracking, with validated findings and a scored report Simple website analytics with realtime visitors, traffic sources, revenue and JavaScript error tracking in one dashboard
StageEstablished Not given
Founded2019 Not given
Based inGB Not given
Pricing modelFree Freemium
PricingNot given Hobby: Free (5k events/month, 1 site). Pro: $9/month (50k events/month, 5 sites, 5k session replays/month). Team: $49/month (200k events/month, 20 sites, 50k session replays/month)
Key features
  • Scans GA4 presence and firing status
  • Maps Google Tag Manager containers and what they're loading
  • Detects Meta and ad platform pixels
  • Crawls dataLayer events page by page
  • Analyzes consent setup and tag interaction
  • Produces tracking health score
  • Validates findings with evidence from crawl
  • No installation or account access required
  • Realtime visitor tracking and activity
  • Traffic sources and UTM campaign tracking
  • JavaScript error tracking with stack traces
  • Goals and custom events
  • Revenue attribution
  • Cookieless tracking option
  • First-party proxy for ad blocker bypass
  • Session replay
  • CSV and JSON data export
  • MCP server integration for AI assistants
What makes it different
  • Scans entire website from outside, not just pages you visit
  • Covers non-Google pixels in addition to Google tags
  • No login, installation, or data access needed
  • Delivers automated first-pass tracking audit in minutes
  • Under 4 KB script size that never blocks page rendering
  • Tracks visitors who use ad blockers through first-party proxy
  • No consent banner needed with cookieless tracking option
  • Privacy-first: first-party cookies only, no fingerprinting, no raw IPs stored
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)27 no change since last check5 +5 (up) since last check
Trust Flow (Majestic)230
Citation Flow (Majestic)280
Referring domains (Majestic)1230

4 details filled in for both companies.

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