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

    Right Inbox vs Sparkle

    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

    Sparkle

    Sales engagement platform that bundles cold email campaigns, an email verifier, email warmup, deliverability monitoring and a CRM, with usage metered in Sparkles credits; a Done With You managed tier adds hands-off lead generation.

    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 InboxSparkle
    Email Tracking
    Mail Merge
    Email Sequences
    CRM Integration
    Recurring Emails
    Reminders
    Private Notes
    Templates
    Send Later
    Signatures
    Email Verifier
    Email Warmup
    Custom Image in Campaigns
    AI Writer
    No Sparkle Branding
    Deliverability Monitoring
    Cold Email
    CRM
    Email Deliverability
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Right Inbox

    GmailChromeSafariFirefox

    Sparkle

    05Keep exploring

    Explore more.

    Best Right Inbox alternativesBest Sparkle alternatives
    Instantly vs Right InboxRight Inbox vs SmartleadLemlist vs Right InboxOutreach vs SparkleSalesloft vs SparkleGong vs Sparkle
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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.