Amplemarket vs Reply.io

Amplemarket puts Duo Copilot at the center of B2B outbound: it watches for buying signals, pulls account research into one click, and drafts email, LinkedIn, and phone sequences from a shared workspace. Lead search, intent monitoring, deliverability checks, and reply management live in the same product instead of a patchwork of data and sequencer tools.

Point solutions like separate data vendors plus sequencers leave reps stitching context together manually. Amplemarket pushes signal-led selling into daily workflows with 24+ intent types (job changes, website visits, competitor engagement, hiring spikes) and one-click research, so teams act on timing instead of static lists.

Account executives, SDRs, founders, and RevOps teams use it to replace stacks such as ZoomInfo plus Outreach. Startup plans start at $600 per month on an annual term with 2 users and 27,000 contacts, while Growth and Elite tiers scale contact limits to 140,000 and 400,000 with custom pricing.

Reply.io lets sales teams build multichannel outbound from one workspace: prospect from a B2B database of 1+ billion contacts, run conditional email and LinkedIn steps, and manage replies from a unified inbox. The product also sells mailboxes with built-in warmup so you can buy domains, connect inboxes, and start sending without juggling separate deliverability tools.

Where many sequencers stop at email templates, Reply.io layers an optional Jason AI SDR agent that researches prospects, writes personalized copy, handles replies, and books meetings on autopilot or in approval mode. Reply.io also exposes an API and MCP integration so you can launch outbound from Claude, Cursor, or Codex without opening the dashboard. That terminal-first angle is unusual for a category dominated by browser-only campaign builders.

Reply.io fits outbound sales reps, SDR teams, and agencies running cold email at volume. Common workflows include list building from intent signals, multichannel nurture sequences, and agency client workspaces with role-based access. The Agency Core plan at $210 per month supports multiple client workspaces under one agency account.