The verdict
On the data we hold, Reply.io comes out ahead. Here is why, point by point.
What the data says
- Both cover 1 of the 1 features we compared.
- Both start at $49/mo.
- Only Reply.io has an MCP server, so an AI employee can work in it directly.
- In our Outbound ranking, Reply.io places 4 and Warmy.io 13 of 33.
Side by side
| 5 points compared | ||
|---|---|---|
| Starts at | $49/mo | $49/mo |
| Free plan | No | No |
| API | Yes | Yes |
| MCP server | Yes | No |
| Built-in email warmup | Yes | Yes |
| Links |
Plans and pricing
Reply.io
- Email VolumeFrom $49 per month billed annually for 1,000 active contacts; unlimited users and mailboxes; the monthly price scales with contacts.$588/yr
- MultichannelPer user: $99 monthly or $89 per user per month billed annually; email, LinkedIn, calls and SMS.$99/mo/seat
- Jason AI SDRFully automated AI SDR from $500 per month.$500/mo
Warmy.io
- B2B SenderPlans start from $49 per month; price depends on warm-up volume. Reaches corporate inboxes.$49/mo
- B2C SenderPlans start from $49 per month; price depends on warm-up volume. Reaches consumer inboxes.$49/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Reply.io if…
B2B sales teams, SDRs and founders running outbound across email, LinkedIn, calls and SMS who want one tool to sequence the touches, handle replies and keep a record of every prospect.
Choose Warmy.io if…
B2B and B2C senders, agencies and ecommerce teams sending cold or marketing email at volume who want domain warm-up, deliverability monitoring and authentication checks in one tool.
Other options worth a look
Tool·Client acquisitionRuns multichannel cold outreach with built-in email warmup, lead database, and deliverability scoring.Outbound
From $55/mo yearlyAffiliate link
Tool·Client acquisitionFind B2B prospects and run email and phone outreach campaigns from one unified platform.Outbound
From $49/moFree planAffiliate link
Tool·Client acquisitionSends high-volume cold email across multiple mailboxes with automated warmup and a unified reply inbox.Outbound
From $85/mo yearlyAffiliate link
Tool·Client acquisitionRun cold email outreach at scale with unlimited mailboxes, warm-up automation and lead verification.Outbound
From $32/mo yearly
Tool·Client acquisitionBuilds sender reputation for new email accounts by warming them through a network of real inboxes.Outbound
From $15/mo- Tool·Client acquisitionIdentifies website visitors by company and provides EU-based B2B contact data with buyer intent signals.
Outbound
From €79/mo yearlyFree planAffiliate link