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Acoustic vs Sumo: 2026 Comparison

Acoustic Sumo
Overview Former IBM Watson Marketing platform offering email, mobile, and cross-channel campaign management for enterprises. Free email capture and list building toolkit with pop-ups, welcome mats, and scroll boxes for growing email lists.
Pricing Subscription (Custom) Freemium ($0-49/mo)
Key Features
  • Email marketing
  • Mobile push
  • SMS
  • Campaign management
  • Personalization
  • Analytics
  • Journey builder
  • Pop-ups
  • Welcome mat
  • Smart bar
  • Scroll box
  • Share buttons
  • Heat maps
  • List builder
Pros
  • Enterprise features
  • Cross-channel
  • IBM heritage
  • Scalable
  • Free tier
  • Easy setup
  • Multiple capture types
  • WordPress plugin
Cons
  • Expensive
  • Complex
  • Transition from IBM
  • Branding on free
  • Limited features
  • Can slow site