Tool comparison · Head to headUpdated 9/4/2026

    Closely vs Proofy

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Closely

    Outbound platform that runs automated campaigns across LinkedIn and email from a shared sender, with a conditional sequence builder, unified inbox, contact enrichment and AI personalization agents.

    Starting at$49/month
    Tool B

    Proofy

    Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.

    Starting at$5/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureCloselyProofy
    Multichannel campaigns across LinkedIn and email
    Conditional sequence builder
    Smart Inbox unifying LinkedIn and email replies
    LinkedIn account warmup
    Dedicated residential IP for each LinkedIn account
    OAuth Gmail and Outlook connection plus custom SMTP
    Email finder with a multi-step fallback process
    Phone number finder
    AI lead scoring and personalization agents
    Export from Sales Navigator, LinkedIn posts and events
    Bulk email verification
    Single verification in real time
    Email verifier API
    Duplicate email remover
    ISP detection
    Disposable and temporary detection
    Accept-all detection
    Syntax validation
    SMTP verification
    Mailbox full detection
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Closely

    SalesforcePipedriveHubSpotGoHighLevelGmailMicrosoft OutlookSMTPWebhooks

    Proofy

    Skip the research

    Let us handle it.

    We manage the infrastructure, deliverability, and campaigns. You get results without the tool research.

    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.