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Acoustic vs ContactOut: 2026 Comparison

Acoustic ContactOut
Overview Former IBM Watson Marketing platform offering email, mobile, and cross-channel campaign management for enterprises. ContactOut is a Chrome extension and platform that finds personal and work email addresses and phone numbers from LinkedIn profiles. It specializes in sourcing contact information for recruiters and sales professionals.
Pricing Subscription (Custom) Freemium ($0-99/user/mo)
Key Features
  • Email marketing
  • Mobile push
  • SMS
  • Campaign management
  • Personalization
  • Analytics
  • Journey builder
  • Email finder
  • phone numbers
  • LinkedIn overlay
  • search portal
  • data enrichment
  • ATS integration
  • API
Pros
  • Enterprise features
  • Cross-channel
  • IBM heritage
  • Scalable
  • Finds personal emails
  • Good LinkedIn integration
  • Accurate data
  • Easy Chrome extension
Cons
  • Expensive
  • Complex
  • Transition from IBM
  • Primarily recruiter-focused
  • Limited free credits
  • Smaller B2B database

Acoustic

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ContactOut

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