The verdict
On the data we hold, Warmup Inbox comes out ahead. Here is why, point by point.
What the data says
- Warmup Inbox covers more of the features we compared: 1 of 1, against 0.
- Only Lusha has a free plan to start on.
- Warmup Inbox starts lower, at $15/mo against $37.43/mo.
- Only Lusha has an MCP server, so an AI employee can work in it directly.
- In our Outbound ranking, Warmup Inbox places 6 and Lusha 15 of 33.
Side by side
| 5 points compared | ||
|---|---|---|
| Starts at | $37.43/mo | $15/mo |
| Free plan | Yes | No |
| API | Yes | Yes |
| MCP server | Yes | No |
| Built-in outreach (sequences/dialer) | No | Yes |
| Links |
Plans and pricing
Lusha
- FreeFree plan with 40 credits per month.Free
- Starter400 credits per month on monthly billing, 4,800 credits per year on annual billing.$49.90/mo
- Professional600 credits per month on monthly billing, 7,200 credits per year on annual billing.$69.90/mo
- Premium3,400 credits per month on monthly billing, 40,800 credits per year on annual billing.$399.90/mo
Warmup Inbox
- BasicPer inbox per month; 75 warm-up messages a day. Volume discounts as you add inboxes.$15/mo
- ProPer inbox per month; 250 warm-up messages a day plus custom templates and scheduling.$49/mo
- MaxPer inbox per month; 1,000 warm-up messages a day plus API access and premium support.$79/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Lusha if…
B2B sales and recruiting teams who need verified work emails and direct phone numbers to fill gaps in their CRM or to prospect from LinkedIn and company lists.
Choose Warmup Inbox if…
Sales, SDR and agency teams about to send cold email from new mailboxes, who need those mailboxes warmed up and monitored so campaigns reach the primary inbox.
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 acquisitionIdentifies website visitors by company and provides EU-based B2B contact data with buyer intent signals.
Outbound
From €79/mo yearlyFree planAffiliate link