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Attentive vs GMass: 2026 Comparison

Attentive GMass
Overview A conversational commerce platform specializing in SMS and email marketing for e-commerce brands with personalized messaging. GMass is a mass email and cold outreach tool that works directly inside Gmail. It turns Gmail into a powerful email marketing and outreach platform with mail merge, automatic follow-ups, and campaign analytics.
Pricing Subscription (Custom pricing) Freemium ($0-55/mo)
Key Features
  • SMS marketing
  • MMS campaigns
  • Email marketing
  • AI copywriting
  • Segmentation
  • Two-way messaging
  • Sign-up units
  • Compliance tools
  • Gmail-based sending
  • mail merge
  • automatic follow-ups
  • email tracking
  • campaign reports
  • scheduling
  • Google Sheets integration
Pros
  • Industry-leading SMS platform
  • Powerful segmentation
  • Good compliance tools
  • AI-powered optimization
  • Works inside Gmail
  • Very easy to use
  • Affordable
  • Great Google Sheets integration
Cons
  • Expensive
  • Enterprise-focused
  • Long contracts
  • Complex implementation
  • Gmail sending limits apply
  • Limited advanced features
  • No multi-channel support