- Instantly for the cheapest way to send cold email at volume: flat plans from $47 a month with unlimited email accounts.
- Smartlead for agencies running campaigns for several clients, with flat plans from $39 a month.
- Apollo if you also need contact data and a free plan to start: a database of 240M contacts plus sequencing, with paid seats from $49 a month billed annually. Lemlist bundles leads too, 650M+ by its own count, so compare both on your market.
- Outreach for enterprise sales teams that live in Salesforce and can sign an annual contract.
- Snov.io for small teams that want every seat included, from $39 a month.
Prices are list prices from each vendor's pricing page, billed monthly unless stated, checked 17 September 2026.