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    Tool comparison · Head to headUpdated 9/1/2026

    Ocean.io vs TheirStack

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    Ocean.io

    B2B prospecting and enrichment platform that returns verified emails and direct phone numbers on one credit system shared across the platform and the API.

    Starting atCustom
    Tool B

    TheirStack

    Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.

    Starting atCustom0
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureOcean.ioTheirStack
    AI-powered lookalike filters
    Waterfall enrichment (16+ data sources)
    Double email verification (incl. catch-alls)
    Direct phone numbers
    Chrome extension
    Unlimited seats
    Free exports
    API access
    Job search
    Company search
    Company lookup
    Enrichment
    Exports
    Email alerts
    Webhooks
    MCP server
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    Ocean.io

    HubSpotPipedriveSalesforceClay

    TheirStack

    ClayLinkedIn AudiencesMakeN8NZapier
    05Keep exploring

    Explore more.

    Best Ocean.io alternativesBest TheirStack alternatives
    Apollo.io vs Ocean.ioOcean.io vs ZoomInfoClay vs Ocean.ioApollo.io vs TheirStackTheirStack vs ZoomInfoClay vs TheirStack
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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.