Tool comparison · Head to headUpdated 9/4/2026

    Day AI vs MailerCheck

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Day AI

    AI-native CRM built around Customer Memory: it ingests Gmail, calendar and meeting recordings, creates and updates people, organizations, lists and pipeline opportunities, and deploys sales agents (BDR, CRM data specialist, RevOps analyst) that run on schedules and events, priced per agent per month.

    Starting atCustom0
    Tool B

    MailerCheck

    Email list verification and deliverability testing tool that validates single addresses, bulk lists or new signups through an API, and tests email content and inbox placement before a send.

    Starting atCustom0
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureDay AIMailerCheck
    Gmail & Calendar ingestion
    Meeting recording & notes
    Search & read Customer Memory
    Create & update people & organizations
    Task management
    Lists & relationships
    Pipeline & opportunity management
    Custom views
    Custom properties & backfill
    Pipeline analytics
    Prospecting
    Automated skill slots
    Email list verification
    Email Insights
    Inbox Placement
    Real-time API verification
    Usage report
    Single address verification
    Credits and autopay
    Statuses
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Day AI

    GmailCalendarSlackClaudeClaude CodeGitHub

    MailerCheck

    MailerLiteMailchimpActiveCampaignGetResponseConvertKitZapierMake
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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.