Tool comparison · Head to headUpdated 9/4/2026

    Inboxy vs Mailbutler

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Inboxy

    Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.

    Starting at$47/month
    Tool B

    Mailbutler

    Mailbutler is an email extension for Gmail, Apple Mail and Outlook that adds email tracking, message templates, mail merge, smart follow-ups, AI compose, signatures, notes and tasks and team collaboration. Plans are per user per month billed in USD or EUR, with a free Starter plan.

    Starting atCustom0
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureInboxyMailbutler
    Primary Inbox Supercharger
    Domain Score IQ Monitoring
    AI Powered Inbox Adjustments
    Dynamic Email Scheduling
    Live Inbox Engagement Feed
    AI Generated Emails (GPT-3)
    IP Warm Up Service
    SMTP Warm Up Service
    Inbox Placement Test
    Email tracking with real-time notifications
    Message templates
    Mail merge
    Smart follow-ups
    Smart compose and smart improve (AI)
    Smart timing
    Email assignments and collaborator status
    Notes and tasks
    Automations
    Signature marketing
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Inboxy

    Personal GmailGoogle WorkspaceOutlook/Office (SMTP)Outlook/Office (Oauth)MailgunGoDaddyInboxroadSendgridCustom SMTP

    Mailbutler

    GmailApple MailOutlook
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    Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.