The verdict
On the data we hold, Folderly comes out ahead. Here is why, point by point.
What the data says
- Both cover 4 of the 5 features we compared.
- Only Folderly has a free plan to start on.
- Warmy.io starts lower, at $49/mo against $66.58/mo.
- In our Outbound ranking, Folderly places 16 and Warmy.io 13 of 33.
Side by side
| 9 points compared | ||
|---|---|---|
| Starts at | $66.58/mo | $49/mo |
| Free plan | Yes | No |
| API | Not known yet | Yes |
| MCP server | Not known yet | No |
| Automated warmup network | Yes | Yes |
| Built-in outreach/sequences | No | No |
| Inbox placement testing | Yes | Yes |
| Sender reputation & blacklist monitoring | Yes | Yes |
| SPF/DKIM/DMARC diagnostics | Yes | Yes |
| Links |
Plans and pricing
Folderly
- FolderlyEmail deliverability priced per mailbox; shown as 96 per month per mailbox billed yearly (20% off).$1,152/yr
- Inbox Insights FreeFree tier with 2 inbox placement tests per month.Free
- Inbox Insights100 tests per month.$79/mo
- PulseFree real-time alerts product; paid tiers not specified.Free
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 Folderly if…
B2B outbound teams sending cold or sales email from several mailboxes who see replies drop or messages land in spam and need to find the cause and fix it.
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 acquisitionAutomates outreach across email, LinkedIn, calls and SMS to coordinate your sales prospecting in one place.Outbound
From $49/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