Compare cold email and sales tools — on verified pricing, not marketing claims.
Every price here was read from the vendor's own pricing page and dated. Where we haven't measured something ourselves — deliverability, reply rates — we say so instead of repeating someone else's number.
Pricing verified 2026-08-04 · how we check · how we make money
Free tools
No signup, no email wall.
Cold Email Tool Finder
Answer five questions, get a matched platform recommendation.
OpenSpam Word Checker
Paste your cold email, see what trips spam filters.
OpenSPF / DKIM / DMARC Checker
Audit the DNS records that decide whether you land in inbox or spam.
OpenMailbox Volume Planner
Work out how many mailboxes and domains your send volume needs.
OpenEmail Permutator
A name and a company domain into every likely address format.
OpenCold Email ROI Calculator
What outbound returns, and the reply rate you need to break even.
Open10 tools
Instantly
High-volume cold email with unlimited mailboxes and strong deliverability tooling.
Smartlead
Scalable cold email with unlimited mailboxes, warmup, and an API-first design.
Clay
Data enrichment and automation that chains 100+ providers into one workflow.
Lemlist
Multichannel outreach with best-in-class personalisation and a built-in lead database.
Hunter.io
Email finding and verification with a genuinely usable free tier.
Apollo.io
All-in-one sales intelligence database with built-in sequencing.
Saleshandy
Lowest-cost entry into unlimited-mailbox cold email, with agency whitelabelling higher up.
Woodpecker
Usage-based cold email with a genuinely free tier and unlimited mailboxes.
Snov.io
Lead database, email finder and sending in one, at the low end of the market.
Mailshake
Email plus a built-in power dialer, aimed at small teams doing multi-touch outbound.
Guides
Cold Email Templates That Aren't Filler (2026)
Eight cold email templates with the reasoning behind each one — what job it does, when it works, and why. No invented reply rates.
Best Email Finder & Lead Data Tools (2026)
Hunter, Snov.io, Apollo and Clay compared on verified pricing and credit models — plus why nobody should trust published match rates.
Cold Email Deliverability Guide (2026)
Why cold email lands in spam and how to fix it — authentication, domains, warmup, volume and list hygiene, in the order that actually matters.
Best AI Cold Email Software (2026)
The best cold email platforms for deliverability, scale, and personalisation in 2026 — compared on real pricing, features, and who each one is for.