The verdict
On the data we hold, it's close: neither pulls ahead on features, a free plan or AI access. The choice comes down to how you work.
What the data says
- Both cover 1 of the 1 features we compared.
- Lemwarm starts lower, at $24/mo against $49/mo.
- Both have an API and an MCP server, so either works with AI employees.
- In our Outbound ranking, Lemwarm places 17 and Reply.io 4 of 33.
Side by side
| 5 points compared | ||
|---|---|---|
| Starts at | $24/mo | $49/mo |
| Free plan | No | No |
| API | Yes | Yes |
| MCP server | Yes | Yes |
| Built-in email warmup | Yes | Yes |
| Links |
Plans and pricing
Lemwarm
- EssentialEmail warm-up, technical checks, deliverability reports, 20000+ domain network$29/mo/seat
- SmartPersonalised warm-up, template warm-up, custom alerts, industry-tailored network$49/mo/seat
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
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Lemwarm if…
Sales teams and founders who send cold email from new or rarely used mailboxes and need warm-up, sending limits and deliverability checks, and who already use or plan to use lemlist.
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.
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