Tool comparison · Head to headUpdated 9/4/2026

    Right Inbox vs WarmupHero

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Right Inbox

    Right Inbox is a Gmail extension for Chrome, Safari and Firefox that adds email tracking, mail merge, email sequences, recurring emails, reminders, templates, send later and signatures inside Gmail. Plans are per user per month with a free Limited tier.

    Starting atCustom0
    Tool B

    WarmupHero

    Email warmup service that exchanges warm-up emails with real people's inboxes, ramps sending volume progressively, keeps replies in conversation threads, rescues warm-up emails from spam and reports where emails land; offered free with all SmartReach plans.

    Starting atCustom0
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureRight InboxWarmupHero
    Email Tracking
    Mail Merge
    Email Sequences
    CRM Integration
    Recurring Emails
    Reminders
    Private Notes
    Templates
    Send Later
    Signatures
    exchange warm-up emails with REAL people
    Understand where your emails are landing
    Warm up your email domain progressively
    Maintains conversation threads
    Save your emails from spam and promotions
    Put your own personalised email signature in your warmup emails
    Runs 100% on autopilot.
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Right Inbox

    GmailChromeSafariFirefox

    WarmupHero

    SmartReach.ioOffice365SMTPIMAP
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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.