Inboxy vs Lemwarm: Email Warmup Tool Comparison
Compare Inboxy and Lemwarm side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Compare Inboxy and Lemwarm side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Reviewed and updated September 2, 2026
Inboxy vs Lemwarm: Email Warmup Tool Comparison
Finding the right email warmup tool can directly impact your revenue pipeline. Inboxy and Lemwarm both aim to solve the same core problem (building sender reputation and improving inbox placement), yet they approach it differently. Let's break down the specifics.
The Quick Answer
By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, while Lemwarm lists automated email warmup with human-like interactions and warm-up network of 20,000+ healthy domains. A capability both offer can appear under different names, so read both feature lists below.
Lemwarm offers a lower entry point at $29/mo compared to Inboxy at $47/mo.
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
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Essential Plan
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy Pricing
Lemwarm Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Essential Plan | $29/mo | per email account | Warm-up network of 20k+ healthy domains |
| Smart Plan | $49/mo | per email account | Everything in Essential plan |
| Custom | Contact Sales | More than 10 users? | Everything in Smart plan |
Source: Lemwarm Pricing
Pricing Analysis
Lemwarm offers the lower entry point ($29/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Lemwarm offers 3 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 more listed below
- 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
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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
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 Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Lemwarm Integrations
Lemwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, SMTP, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).
Shared Integrations
Both tools integrate with: Google Workspace.
Integrations listed only by Inboxy: Personal Gmail, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by Lemwarm: Gmail, Outlook, Microsoft 365, SMTP, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Teams that need a wide feature set (9 capabilities listed)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for Lemwarm
- Budget-conscious teams looking for an affordable email warmup tool
- 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 | Inboxy | Lemwarm |
|---|---|---|
| Starting Price | $47/mo | $29/mo |
| Top Tier Price | $47/mo | Contact Sales |
| Total Features Listed | 9 | 8 |
| Integrations | 9 | 9 |
| Founded | N/A | 2018 |
Getting Started Checklist
- Define your email domain warming and deliverability requirements and monthly budget
- Estimate your expected 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
Inboxy and Lemwarm both serve the email domain warming and deliverability market. Lemwarm offers a more accessible entry point at $29/mo, while Inboxy starts at $47/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 Inboxy and Lemwarm for current information.
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
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