RevenueFlow
    All tool comparisons
    Tool comparison · Head to headUpdated 9/4/2026

    Right Inbox vs SalesStack

    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

    SalesStack

    Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.

    Starting at$1970/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureRight InboxSalesStack
    Email Tracking
    Mail Merge
    Email Sequences
    CRM Integration
    Recurring Emails
    Reminders
    Private Notes
    Templates
    Send Later
    Signatures
    Lead Scoring
    Cold Email Outreach
    Sales Engagement
    Sales Funnels
    AI Calling
    Custom Forms
    Multi-Channel Outreach
    Calendar
    Calls and Tasks
    Team Management
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Right Inbox

    GmailChromeSafariFirefox

    SalesStack

    05Keep exploring

    Explore more.

    Best Right Inbox alternativesBest SalesStack alternatives
    Instantly vs Right InboxRight Inbox vs SmartleadLemlist vs Right InboxOutreach vs SalesStackSalesloft vs SalesStackGong vs SalesStack
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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.