Tool comparison · Head to head

    GMass vs Yesware

    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

    Yesware

    Email tracking and sales engagement tool for Gmail and Outlook with campaigns, templates, meeting scheduler, and Salesforce integration.

    Starting atCustom0
    Line by line

    Pricing comparison.

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

    Capabilities

    Feature comparison.

    FeatureGMassYesware
    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
    Email open and attachment tracking
    Email templates and shared templates
    Campaign sequences with automation
    Meeting scheduler
    Personal and team reporting
    Salesforce inbox sidebar (Enterprise)
    Bi-directional Salesforce sync (Enterprise)
    Single sign-on (Enterprise)
    14-day free trial on paid plans
    Yesware University training
    Available
    Partial/Limited
    Not Available
    Ecosystem

    Native integrations.

    GMass

    GmailGoogle SheetsZapierGoogle Workspace

    Yesware

    GmailOutlookSalesforceLinkedInZoomMicrosoft Teams
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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.