Tool Comparisons

    Mailshake vs Mailwarm: Cold Email Platform vs Email Warmup Tool Comparison

    Compare Mailshake (cold email platform) and Mailwarm (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Editorial illustration for Mailshake vs Mailwarm
    September 1, 2026Updated September 2, 20265 min read
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    The short answer

    Mailshake is a cold email platform starting at $29/mo with unlimited campaigns, mail merge, and LinkedIn automation, built for sending outreach and generating replies. Mailwarm is an email warmup tool starting at $79/mo focused on sender reputation and inbox placement. They cover different parts of the outbound workflow, so many teams run both.

    Key takeaways

    • Mailshake's Starter plan costs $29/mo while Mailwarm's Starter plan costs $79/mo.
    • Mailshake integrates with Salesforce, Pipedrive, HubSpot, and Zapier.
    • Mailwarm integrates with Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, and Custom SMTP.
    • Mailshake's Starter plan allows 1,500 email sends per month, while its $49/mo Email Outreach plan offers unlimited sends.
    • Mailwarm's Starter plan warms 1 mailbox or SMTP for 1 user, sending up to 50 warmup emails per day.

    Reviewed and updated September 2, 2026

    Mailshake vs Mailwarm: Cold Email Platform vs Email Warmup Tool Comparison

    Sales teams building an outbound stack often weigh Mailshake, a cold email platform for cold email outreach, against Mailwarm, an email warmup tool for email domain warming and deliverability. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.

    The Quick Answer

    Mailshake is a cold email platform for cold email outreach; Mailwarm is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, Mailshake lists unlimited email warmup and unlimited campaigns, and Mailwarm lists b2b & b2c warm up and spam score monitoring.

    Mailshake offers a lower entry point at $29/mo compared to Mailwarm at $79/mo.

    If your priority is sending campaigns that land in the inbox and generate replies, Mailshake is the one built for it; for building sender reputation and improving inbox placement, that is Mailwarm. Many teams run one of each.

    Understanding the Core Difference

    Mailshake is Sales engagement platform with email outreach, VOIP dialer, and LinkedIn automation for sales teams.

    Mailwarm is Email warmup and deliverability platform that generates engagement across a network of aged real inboxes and includes a deliverability expert on every plan. Each interaction produces several positive signals, such as marking as non-spam, opening, marking as important and replying.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    $29/moMailshake entry plan

    Starter

    $79/moMailwarm entry plan

    Starter

    Entry pricing for Mailshake and Mailwarm, as published on each vendor's own pricing page.

    Mailshake Pricing (as of September 2026)

    PlanPriceContactsEmails
    Starter$29/moUNLIMITED uploaded contacts1,500 email sends per month
    Email Outreach$49/moUNLIMITED uploaded contactsUNLIMITED email sends per month
    Sales Engagement$99/moUNLIMITED uploaded contactsUNLIMITED email sends per month
    Agency PlanContact SalesUNLIMITED uploaded contactsUNLIMITED email sends per month

    Source: Mailshake Pricing

    Mailwarm Pricing (as of September 2026)

    PlanPriceContactsEmails
    Starter$79/mo1 mailbox/SMTP to warm; 1 userUp to 50 warmup emails/day
    Growth$189/mo3 mailboxes/SMTPs to warm; 2 usersUp to 200 warmup emails/day
    Scale$549/mo10 mailboxes/SMTPs to warm; 5 usersUp to 500 warmup emails/day
    Tailored PlanContact Salesunlimited mailboxes, usersunlimited warmup emails, and replies

    Source: Mailwarm Pricing

    Pricing Analysis

    Mailshake is more affordable at the entry level ($29/mo vs $79/mo). For teams with tight budgets or those just getting started with cold email outreach and email domain warming and deliverability, this price difference matters.

    Features Breakdown

    Mailshake lists
    • Unlimited email warmup
    • Unlimited campaigns
    • Mail merge
    • A/B testing
    • AI email writing
    • Email rotation
    • and 4 more listed below
    Mailwarm lists
    • B2B & B2C warm up
    • Spam score monitoring
    • Provider-Level warmup
    • Warmup your email content
    • Authentication fix tools
    • No IMAP access required
    • and 3 more listed below
    What Mailshake and Mailwarm each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    Mailshake Key Features

    • Unlimited email warmup
    • Unlimited campaigns
    • Mail merge
    • A/B testing
    • AI email writing
    • Email rotation
    • Unified inbox
    • LinkedIn automation (Sales Engagement+)
    • VOIP dialer (US/Canada unlimited)
    • Lead Catcher

    Mailwarm Key Features

    • B2B & B2C warm up
    • Spam score monitoring
    • Provider-Level warmup
    • Warmup your email content
    • Authentication fix tools
    • No IMAP access required
    • Progressive volume ramp-up to avoid spam filters
    • SPF, DKIM, and DMARC validation
    • Blacklist detection across major databases

    The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

    Listed only by Mailshake

    • Unlimited email warmup
    • Unlimited campaigns
    • Mail merge
    • A/B testing
    • AI email writing
    • Email rotation
    • Unified inbox
    • LinkedIn automation (Sales Engagement+)
    • VOIP dialer (US/Canada unlimited)
    • Lead Catcher

    Listed only by Mailwarm

    • B2B & B2C warm up
    • Spam score monitoring
    • Provider-Level warmup
    • Warmup your email content
    • Authentication fix tools
    • No IMAP access required
    • Progressive volume ramp-up to avoid spam filters
    • SPF, DKIM, and DMARC validation
    • Blacklist detection across major databases

    Integration Ecosystem

    Mailshake Integrations

    Mailshake connects with: Salesforce, Pipedrive, HubSpot, Zapier.

    Mailwarm Integrations

    Mailwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.

    Integrations listed only by Mailshake: Salesforce, Pipedrive, HubSpot, Zapier.

    Integrations listed only by Mailwarm: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.

    Use Case Recommendations

    Best Fit for Mailshake

    • Budget-conscious teams looking for an affordable cold email platform
    • Teams that need a wide feature set (10 capabilities listed)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Best Fit for Mailwarm

    • Organizations with complex tech stacks needing broad integration support (6 integrations)
    • Enterprise buyers who prefer custom pricing and dedicated support
    • Teams launching new email domains for outreach
    • Organizations recovering from deliverability issues

    Feature Comparison Summary

    FeatureMailshakeMailwarm
    Starting Price$29/mo$79/mo
    Top Tier PriceContact SalesContact Sales
    Total Features Listed109
    Integrations46

    Getting Started Checklist

    1. Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
    2. Estimate your expected email sending volume and warmup email volume to find the right tier
    3. List the integrations your team currently relies on
    4. Sign up for free trials or demos of both platforms
    5. Run a small test with each tool before making a commitment
    6. Evaluate the onboarding experience and support quality

    Final Thoughts

    Mailshake serves the cold email outreach side of an outbound stack and Mailwarm the email domain warming and deliverability side. Mailshake offers a more accessible entry point at $29/mo, while Mailwarm starts at $79/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.

    Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

    Pricing and features verified as of September 2026. Visit Mailshake and Mailwarm for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What's the difference between Mailshake and Mailwarm?
    Mailshake is a cold email platform built for sending outreach campaigns and generating replies, while Mailwarm is an email warmup tool built for building sender reputation and improving inbox placement. They address different parts of the outbound workflow, so many teams use both together rather than picking one.
    Which is cheaper, Mailshake or Mailwarm?
    Mailshake is cheaper at the entry level, starting at $29/mo compared to Mailwarm's $79/mo Starter plan. Mailshake's paid tiers go up to $99/mo for its Sales Engagement plan, while Mailwarm's paid tiers go up to $549/mo for its Scale plan.
    Do I need both Mailshake and Mailwarm?
    Many teams run both because the tools solve different problems: Mailshake handles sending cold email campaigns, and Mailwarm handles warming sender reputation so those campaigns are more likely to land in the inbox. If the priority is generating replies, Mailshake fits; if it's deliverability, Mailwarm fits.
    What integrations does Mailshake support?
    Mailshake integrates with Salesforce, Pipedrive, HubSpot, and Zapier. This set of integrations makes it a fit for sales teams that already rely on CRM tools and workflow automation as part of their outbound stack.
    How many mailboxes can Mailwarm warm up on its cheapest plan?
    Mailwarm's Starter plan at $79/mo warms 1 mailbox or SMTP for 1 user, sending up to 50 warmup emails per day. Higher tiers increase capacity, with the Scale plan at $549/mo supporting 10 mailboxes and up to 500 warmup emails per day.
    MailshakeMailwarmCold Email PlatformEmail Warmup ToolComparisonemail-sendingemail-warmup
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    About the author.

    Tim Carden

    Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.

    Tim Carden · CMO / CTO

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