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    All tool comparisons
    Tool comparison · Head to headUpdated 9/1/2026

    Instantly vs Mailarrow

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Instantly

    Cold email platform with unlimited email accounts, unlimited warmup, and a 450M+ B2B lead database.

    Starting at$47/month
    Tool B

    Mailarrow

    Cold email outreach software with email warmup, AI personalization, unlimited sequences and unlimited connected mailboxes. Users bring their own mailboxes and prospect lists; Mailarrow does not sell leads or provide inboxes.

    Starting at$39/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureInstantlyMailarrow
    Unlimited email accounts
    Unlimited email warmup
    Email verification
    Master inbox
    Campaign analytics
    A/B testing
    AI-powered features
    Dedicated IP rotation (Light Speed+)
    Unlimited Email Warmup
    Unlimited Mailboxes
    AI Personalization
    Sending mailbox rotation
    Detailed campaign analytics
    Bulk Prospects Import
    Custom properties
    Sending schedules
    Advanced tracking
    Reply tracking
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Instantly

    HubSpotSalesforcePipedriveZapierMaken8nClaySlackGoogle Calendar

    Mailarrow

    GmailOutlookZohoZapierTrulyInbox
    05Keep exploring

    Explore more.

    Best Instantly alternativesBest Mailarrow alternatives
    Instantly vs SmartleadInstantly vs LemlistInstantly vs MailshakeMailarrow vs SmartleadLemlist vs MailarrowMailarrow vs Mailshake
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    Information gathered from official sources and may change. Pricing and features last verified 9/1/2026. Please visit the official websites for the most current information.