Lemlist vs Mailwarm: Cold Email Platform vs Email Warmup Tool Comparison
Compare Lemlist (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.
Lemlist and Mailwarm serve different parts of an outbound stack: Lemlist is a cold email and multichannel outreach platform starting at $69/mo, while Mailwarm is an email warmup and deliverability tool starting at $79/mo. Lemlist fits teams sending campaigns, and Mailwarm fits teams building sender reputation. Many outbound teams run both together.
Key takeaways
- Lemlist's entry plan costs $69/mo and includes unlimited contacts with 50,000 emails per month.
- Mailwarm's entry Starter plan costs $79/mo and allows up to 50 warmup emails per day on one mailbox.
- Mailwarm offers 4 pricing tiers compared to Lemlist's 3 tiers, giving more granularity for scaling.
- Lemlist lists a 650M+ lead database, AI personalization, and LinkedIn automation among its features.
- Lemlist integrates with 13 tools including HubSpot, Salesforce, and Zapier, while Mailwarm connects with 6 including Gmail, Outlook, and Custom SMTP.
Reviewed and updated September 2, 2026
Lemlist vs Mailwarm: Cold Email Platform vs Email Warmup Tool Comparison
Sales teams building an outbound stack often weigh Lemlist, 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
Lemlist 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, Lemlist lists 650m+ lead database and ai personalization, and Mailwarm lists b2b & b2c warm up and spam score monitoring.
Lemlist offers a lower entry point at $69/mo compared to Mailwarm at $79/mo.
If your priority is sending campaigns that land in the inbox and generate replies, Lemlist 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
Lemlist is Multichannel sales engagement platform with 650M+ lead database, AI personalization, and LinkedIn automation.
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
Lemlist Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| $69/mo | Unlimited Contacts | 50,000 emails /mo | |
| Multichannel | $109/mo | Unlimited | Unlimited emails & messages /mo |
| Enterprise | Contact Sales | Unlimited | Unlimited emails & messages /mo |
Source: Lemlist 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
Lemlist is more affordable at the entry level ($69/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.
Mailwarm offers 4 pricing tiers compared to Lemlist's 3, giving you more granularity as you scale.
Features Breakdown
- 650M+ lead database
- AI personalization
- Email warmup and deliverability boost
- Unlimited email follow-ups
- LinkedIn automation
- In-app VoIP calling
- and 2 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
Lemlist Key Features
- 650M+ lead database
- AI personalization
- Email warmup and deliverability boost
- Unlimited email follow-ups
- LinkedIn automation
- In-app VoIP calling
- WhatsApp integration (add-on)
- Chrome extensions
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 Lemlist
- 650M+ lead database
- AI personalization
- Email warmup and deliverability boost
- Unlimited email follow-ups
- LinkedIn automation
- In-app VoIP calling
- WhatsApp integration (add-on)
- Chrome extensions
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
Lemlist Integrations
Lemlist connects with: HubSpot, Salesforce, Pipedrive, Close.io, Zoho CRM, Zapier, Make, n8n, Clay, Apollo, Slack, Airtable, Calendly.
Mailwarm Integrations
Mailwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.
Integrations listed only by Lemlist: HubSpot, Salesforce, Pipedrive, Close.io, Zoho CRM, Zapier, Make, n8n, Clay, Apollo, Slack, Airtable, Calendly.
Integrations listed only by Mailwarm: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.
Use Case Recommendations
Best Fit for Lemlist
- Organizations with complex tech stacks needing broad integration support (13 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Best Fit for Mailwarm
- Teams that need a wide feature set (9 capabilities listed)
- 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 | Lemlist | Mailwarm |
|---|---|---|
| Starting Price | $69/mo | $79/mo |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 9 |
| Integrations | 13 | 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
Lemlist serves the cold email outreach side of an outbound stack and Mailwarm the email domain warming and deliverability side. Lemlist offers a more accessible entry point at $69/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 Lemlist and Mailwarm for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Lemlist and Mailwarm?
- Lemlist is a multichannel sales engagement platform built for cold email outreach and campaign sending, while Mailwarm is an email warmup and deliverability tool that generates engagement across a network of aged real inboxes. They cover different parts of the outbound workflow rather than competing directly.
- Which tool is cheaper, Lemlist or Mailwarm?
- Lemlist has a lower entry price at $69/mo compared to Mailwarm's $79/mo Starter plan. Lemlist's entry plan includes unlimited contacts and 50,000 emails per month, while Mailwarm's Starter plan covers one mailbox and up to 50 warmup emails per day.
- Do I need both Lemlist and Mailwarm?
- Many teams run one of each because they solve different problems. Lemlist is built for sending campaigns that land in the inbox and generate replies, while Mailwarm is built for building sender reputation and improving inbox placement before or alongside outreach.
- What integrations does each platform support?
- Lemlist connects with 13 tools including HubSpot, Salesforce, Pipedrive, Zoho CRM, Zapier, Clay, Apollo, and Slack. Mailwarm connects with 6 tools: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, and Custom SMTP.
- Who is Mailwarm best suited for?
- Mailwarm is best suited for teams that need a wide feature set focused on deliverability, such as spam score monitoring, provider-level warmup, and authentication fix tools. It includes a deliverability expert on every plan and offers 4 pricing tiers for scaling mailbox warmup needs.
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.
Growbots vs MailHeat: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and MailHeat (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
GetSales.io vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison
Compare GetSales.io (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Enginy vs Success.ai: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Enginy (sales engagement platform) and Success.ai (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Artisan vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Artisan (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Hexospark vs JustCall: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Hexospark (cold email platform) and JustCall (sales engagement platform). See pricing, features, and integrations to decide which one, or both, your stack needs.
EmailBison vs Emelia: Cold Email Platform Comparison
Compare EmailBison and Emelia side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.