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    Tool comparison · Head to head

    GMass vs Smartlead

    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

    Smartlead

    Cold email outreach platform with unlimited contacts on higher tiers, SmartServers for dedicated IPs, and multi-channel capabilities.

    Starting at$39/month
    Line by line

    Pricing comparison.

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

    Capabilities

    Feature comparison.

    FeatureGMassSmartlead
    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
    Unlimited contacts (higher tiers)
    Email warmup pool
    SmartServers for dedicated IPs
    Multi-channel outreach
    Email verification
    CRM functionality
    OAuth authentication
    Auto-rotating email accounts
    Available
    Partial/Limited
    Not Available
    Ecosystem

    Native integrations.

    GMass

    GmailGoogle SheetsZapierGoogle Workspace

    Smartlead

    HubSpotSalesforceZapierSlackClayGmailOutlookExpandi
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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.