The verdict
On the data we hold, Seamless comes out ahead. Here is why, point by point.
What the data says
- Only Seamless has a free plan to start on.
- Seamless starts lower, at $147/mo against $200/mo.
- Only Seamless has an MCP server, so an AI employee can work in it directly.
- In our Outbound ranking, Seamless places 25 and AiSDR, Inc. 32 of 33.
Side by side
| At a glance | SESeamless | |
|---|---|---|
| Starts at | $200/mo | $147/mo |
| Free plan | No | Yes |
| API | No | Yes |
| MCP server | No | Yes |
| Links |
Plans and pricing
AI
AiSDR, Inc.
- SoloFounders and solo sellers$250/mo
- ExploreTeams needing lead signals and support$900/mo
- ScaleHigh volume pipeline coverage$2,500/mo
SE
Seamless
- Freeindividuals testing outreachFree
- Basicsolo reps needing monthly credit refresh$147/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
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