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Accelo vs GMass: 2026 Comparison

Accelo GMass
Overview A professional services automation platform that combines CRM, project management, and billing for service businesses. 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 ($24-$49/user/month) Freemium ($0-55/mo)
Key Features
  • CRM
  • Project management
  • Time tracking
  • Billing
  • Retainers
  • Ticketing
  • Email integration
  • Client portal
  • Gmail-based sending
  • mail merge
  • automatic follow-ups
  • email tracking
  • campaign reports
  • scheduling
  • Google Sheets integration
Pros
  • Built for services firms
  • Automatic time tracking
  • Retainer management
  • Unified platform
  • Works inside Gmail
  • Very easy to use
  • Affordable
  • Great Google Sheets integration
Cons
  • Complex to set up
  • Interface can be busy
  • Expensive at scale
  • Learning curve
  • Gmail sending limits apply
  • Limited advanced features
  • No multi-channel support