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.

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
Starter
Starter
Mailshake Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED uploaded contacts | 1,500 email sends per month |
| Email Outreach | $49/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Sales Engagement | $99/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Agency Plan | Contact Sales | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
Source: Mailshake Pricing
Mailwarm Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $79/mo | 1 mailbox/SMTP to warm; 1 user | Up to 50 warmup emails/day |
| Growth | $189/mo | 3 mailboxes/SMTPs to warm; 2 users | Up to 200 warmup emails/day |
| Scale | $549/mo | 10 mailboxes/SMTPs to warm; 5 users | Up to 500 warmup emails/day |
| Tailored Plan | Contact Sales | unlimited mailboxes, users | unlimited 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
- Unlimited email warmup
- Unlimited campaigns
- Mail merge
- A/B testing
- AI email writing
- Email rotation
- and 4 more listed below
- 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
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
| Feature | Mailshake | Mailwarm |
|---|---|---|
| Starting Price | $29/mo | $79/mo |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 9 |
| Integrations | 4 | 6 |
Getting Started Checklist
- Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
- Estimate your expected email sending volume and warmup email volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- 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.
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.
About the author.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
Amplemarket vs Mailshake: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Amplemarket (sales engagement platform) and Mailshake (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Mailmeteor vs Reply.io: Cold Email Platform Comparison
Compare Mailmeteor and Reply.io side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Emelia vs Manyreach: Cold Email Platform Comparison
Compare Emelia and Manyreach side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Emelia vs Salesforge: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Emelia (cold email platform) and Salesforge (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
GMass vs PlusVibe: Cold Email Platform Comparison
Compare GMass and PlusVibe side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Success.ai vs Yesware: Cold Email Platform Comparison
Compare Success.ai and Yesware side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.