Closely vs Signal House

Prices as the vendors list them. They change often; the final price is on their sites.

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  Tool·Client acquisition

  Lemlist

  Runs multichannel cold outreach with built-in email warmup, lead database, and deliverability scoring.

  Outbound

  From $55/mo yearlyAffiliate link

  Sign up on Lemlist
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  Tool·Client acquisition

  Apollo

  Find B2B prospects and run email and phone outreach campaigns from one unified platform.

  Outbound

  From $49/moFree planAffiliate link

  Sign up on Apollo
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  Tool·Client acquisition

  Instantly

  Sends high-volume cold email across multiple mailboxes with automated warmup and a unified reply inbox.

  Outbound

  From $85/mo yearlyAffiliate link

  Sign up on Instantly
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  Tool·Client acquisition

  Reply.io

  Automates outreach across email, LinkedIn, calls and SMS to coordinate your sales prospecting in one place.

  Outbound

  From $49/mo yearlyAffiliate link

  Sign up on Reply.io
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  Tool·Client acquisition

  Smartlead

  Run cold email outreach at scale with unlimited mailboxes, warm-up automation and lead verification.

  Outbound

  From $32/mo yearly

  Sign up on Smartlead
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  Tool·Client acquisition

  Warmup Inbox

  Builds sender reputation for new email accounts by warming them through a network of real inboxes.

  Outbound

  From $15/mo

  Sign up on Warmup Inbox