Best cold email software

Best cold email software for agencies and B2B teams

Eight cold email tools grouped by how each bills and how each keeps clients apart, with who each one suits, read from the vendors' own pages.

Shortlist a cold email tool for your client count and see how each one is billed.

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Start here · Buying guide

Best cold email software: eight tools grouped by billing unit and agency fit

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Eight cold email tools grouped by how each bills and how each separates clients, read from the vendors' own pages, with who each one suits best.

Bottom line: No single tool wins for every buyer. Agencies running several client accounts should look first at Woodpecker, Instantly, Smartlead or Reply.io, which each list a way to separate clients. Teams that want calls and SMS can look at lemlist or Reply.io, and data-first sellers at Apollo. This guide groups eight tools by billing unit without ranking them.

Side-by-side comparison

Lemlist vs Woodpecker: how plans, channels and agency features compare

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Lemlist and Woodpecker side by side from each vendor's own pages: plan units, channels, lead data, agency features and who should pick which.

Bottom line: lemlist is a multichannel outbound platform with a lead database, AI agents and plans sized by email volume or by user. Woodpecker is email-first, with unlimited team members and mailboxes and a per-client Agency panel. Woodpecker's pricing page describes more controls for agencies with several clients; teams that want calls, SMS or WhatsApp in one tool should look at lemlist.