Tool comparison · Head to head

    GMass vs Outreach

    A factual comparison of features, pricing, and capabilities.

    Updated 2/6/2026
    The contenders
    01
    Tool A

    GMass.

    Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.

    Starting at$30/month
    02
    Tool B

    Outreach.

    Enterprise sales engagement platform with multi-channel sequences, AI-powered deal insights, revenue forecasting, and conversation intelligence for scaling outbound sales teams.

    Starting atCustom
    Line by line

    Pricing comparison.

    Monthly rates shown. Annual billing may offer discounts — visit official sites for current pricing.

    Capabilities

    Feature comparison.

    FeatureGMassOutreach
    Works inside Gmail
    Unlimited emails, contacts, and campaigns
    Mail merge personalization
    Free email verification
    Automated follow-up sequences
    A/B testing
    Spam Solver deliverability tool
    Custom tracking links
    Inbox rotation
    API and Zapier access
    Multi-channel sequences (email, phone, LinkedIn, SMS)
    AI-powered email generation and optimization
    Conversation intelligence with call recording
    Deal health scoring and pipeline management
    Revenue forecasting with scenario planning
    Real-time analytics and reporting dashboards
    Sales rep coaching and performance insights
    Automated task management and reminders
    A/B testing for email templates
    Governance and compliance controls
    Available
    Partial/Limited
    Not Available
    Ecosystem

    Native integrations.

    GMass.

    GmailGoogle SheetsZapierGoogle Workspace

    Outreach.

    SalesforceMicrosoft Dynamics 365HubSpotGmailMicrosoft OutlookLinkedIn Sales NavigatorGongChorusDrift6senseZoomSlack
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    Information gathered from official sources and may change. Pricing and features last verified 2/6/2026. Please visit the official websites for the most current information.