Data verified September 27, 2026
Best cold email software for high-volume sending
7 tools in our database target high-volume sending on their own pricing pages. The cheapest full 50-inbox stack among them is ReachInbox at $582.12 per month. The cheapest entry plan is ReachInbox (from $30/mo billed annually).
Data verified · Sources: Methodology
Tools are included when their own pricing page positions a plan for high-volume sending. Order is by the full monthly cost of our default scenario; tools that cannot be priced for it follow, by entry price.
7 tools compared
| # | Tool | Entry price | 50-inbox stack / month | Mailboxes | Warmup | Verification | G2 |
|---|---|---|---|---|---|---|---|
| 1 | ReachInbox | from $30/mo billed annually | $582.12 | Unlimited | Included | Not published | Not available |
| 2 | Smartlead | from $39/mo billed monthly | $681.12 | Unlimited | Included | Add-on | 4.5 (408) |
| 3 | Reply.io | from $59/mo billed monthly | $717.12 | Unlimited | Included | Add-on | 4.6 (1,476) |
| 4 | Emailchaser | from $47/mo billed monthly | $845.47 | Unlimited | Included | Included | Not available |
| 5 | Instantly | from $47/mo billed monthly | $865.12 | 100 | Included | Add-on | 4.8 (4,063) |
| 6 | PlusVibe | from $37/mo billed monthly | mailbox limits not published | Not published | Included | Included | 4.9 (38) |
| 7 | Manyreach | from $79/mo billed monthly | mailbox limits not published | Not published | Included | Not published | Not available |
You ask, we answer
Common questions
What is the cheapest cold email tool for high-volume sending?
By entry price, ReachInbox (from $30/mo billed annually). By full cost of a 50-inbox stack, ReachInbox at $582.12 per month.
Which cold email tools for high-volume sending have a free plan?
ReachInbox.
Which of these include warmup?
7 of 7: ReachInbox, Smartlead, Reply.io, Emailchaser, Instantly, PlusVibe, Manyreach.