Lemwarm vs Warmy: Email Warmup Tool Comparison

Lemwarm vs Warmy: Email Warmup Tool Comparison

Lemwarm and Warmy compete head-to-head in the email domain warming and deliverability space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

The Quick Answer

By each vendor's own wording, Lemwarm lists automated email warmup with human-like interactions and warm-up network of 20,000+ healthy domains, while Warmy lists email warm-up and email seed list. A capability both offer can appear under different names, so read both feature lists below.

Lemwarm publishes an entry price of $29/mo; Warmy uses custom pricing, so the two cannot be compared on list price.

If your priority is building sender reputation and improving inbox placement, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Lemwarm is Email warmup tool from lemlist that builds sender reputation using a network of 20,000+ healthy domains, with industry-tailored warmup clusters and deliverability scoring.

Warmy is Automated email deliverability tool that warms up domains and IPs with AI-driven automation and a network of business or consumer mailboxes. Adds Google Postmaster integration, seed lists, deliverability insights and email verification in the same platform.

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

Pricing Comparison

$29/moLemwarm entry plan

Essential Plan

Contact SalesWarmy entry plan

B2B sender

Lemwarm Pricing (as of September 2026)

Source: Lemwarm Pricing

Warmy Pricing (as of September 2026)

Source: Warmy Pricing

Pricing Analysis

One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.

Features Breakdown

Lemwarm lists

• Automated email warmup with human-like interactions
• Warm-up network of 20,000+ healthy domains
• Industry-tailored warmup clusters for natural patterns
• Deliverability score out of 100
• Technical setup checker (SPF, DKIM, DMARC)
• Personalized warmup using your real email templates (Smart plan)
• and 2 more listed below

Warmy lists

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• and 2 more listed below

Lemwarm Key Features

• Automated email warmup with human-like interactions
• Warm-up network of 20,000+ healthy domains
• Industry-tailored warmup clusters for natural patterns
• Deliverability score out of 100
• Technical setup checker (SPF, DKIM, DMARC)
• Personalized warmup using your real email templates (Smart plan)
• Custom deliverability alerts and recommendations
• Free with any lemlist subscription

Warmy Key Features

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• Deliverability monitor
• Dedicated deliverability expert

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 Lemwarm

• Automated email warmup with human-like interactions
• Warm-up network of 20,000+ healthy domains
• Industry-tailored warmup clusters for natural patterns
• Deliverability score out of 100
• Technical setup checker (SPF, DKIM, DMARC)
• Personalized warmup using your real email templates (Smart plan)
• Custom deliverability alerts and recommendations
• Free with any lemlist subscription

Listed only by Warmy

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• Deliverability monitor
• Dedicated deliverability expert

Integration Ecosystem

Lemwarm Integrations

Lemwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, SMTP, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).

Warmy Integrations

Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.

Shared Integrations

Both tools integrate with: Gmail, Google Workspace, Outlook, Microsoft 365.

Integrations listed only by Lemwarm: SMTP, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).

Integrations listed only by Warmy: Yahoo, Google Postmaster.

Use Case Recommendations

Best Fit for Lemwarm

• Budget-conscious teams looking for an affordable email warmup tool
• Organizations with complex tech stacks needing broad integration support (9 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support

Best Fit for Warmy

• Enterprise buyers who prefer custom pricing and dedicated support
• Teams launching new email domains for outreach
• Organizations recovering from deliverability issues
• Agencies managing warmup across multiple client domains

Feature Comparison Summary

Getting Started Checklist

1. Define your email domain warming and deliverability requirements and monthly budget
2. Estimate your expected 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

Lemwarm and Warmy both serve the email domain warming and deliverability market. Lemwarm publishes an entry price of $29/mo, while Warmy uses custom pricing for its plans, so compare on features and on the quote you receive. 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 Lemwarm and Warmy for current information.