Mailshake vs Warmy.io

Two Outbound tools side by side: what each does, what it costs and who it suits.

The verdict Side by side Plans and pricing Who each is for Other options

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.
Mailshake starts lower, at $25/mo against $49/mo.
In our Outbound ranking, Mailshake places 12 and Warmy.io 13 of 33.

Side by side

Mailshake and Warmy.io compared
5 points compared	Mailshake	Warmy.io
Starts at	$25/mo	$49/mo
Free plan	No	No
API	Yes	Yes
MCP server	No	No
Built-in email warmup	Yes	Yes
Links	Visit	Visit

Plans and pricing

Mailshake

Starter1 email address, 1,500 sends a month, unlimited contacts and campaigns. Annual shown as 25 per month.$29/mo/seat
Email Outreach2 email addresses, unlimited sends, rotation, unified inbox and CRM integrations. Annual shown as 45 per month.$49/mo/seat
Sales Engagement10 email addresses, unlimited sends and 5 phone numbers with a dialer. Annual shown as 85 per month.$99/mo/seat

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 Mailshake if…

B2B sales teams, agencies and founders who run email-led cold outreach and want simple sequences, follow-ups, deliverability tools and a built-in lead finder in one tool.

Visit Read the review

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.

Visit Read the review

Other options worth a look

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Lemlist
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Apollo
Find B2B prospects and run email and phone outreach campaigns from one unified platform.
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Instantly
Sends high-volume cold email across multiple mailboxes with automated warmup and a unified reply inbox.
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From $85/mo yearlyAffiliate link
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Reply.io
Automates outreach across email, LinkedIn, calls and SMS to coordinate your sales prospecting in one place.
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From $49/mo yearlyAffiliate link
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Smartlead
Run cold email outreach at scale with unlimited mailboxes, warm-up automation and lead verification.
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From $32/mo yearly
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ToolClient acquisition
Warmup Inbox
Builds sender reputation for new email accounts by warming them through a network of real inboxes.
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From $15/mo
Sign up on Warmup Inbox