Growbots vs Lemwarm: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and Lemwarm (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Growbots is a cold email platform built for outreach, offering a 180M+ prospect database and campaign automation starting free. Lemwarm is an email warmup tool from lemlist focused on sender reputation, using a network of 20,000+ healthy domains, starting at $29/mo. Teams needing both outreach and deliverability often run one of each rather than choosing a single tool.
Key takeaways
- Growbots offers a free entry plan while Lemwarm's entry-level Essential Plan costs $29/mo.
- Growbots lists access to a database of over 180 million prospects with email verification on import.
- Lemwarm uses a warm-up network of over 20,000 healthy domains with industry-tailored warmup clusters.
- Growbots' Pro Outreach plan costs $39/mo and allows up to 500 emails per email account daily.
- Lemwarm is free with any lemlist subscription and offers a deliverability score out of 100.
Reviewed and updated September 2, 2026
Growbots vs Lemwarm: Cold Email Platform vs Email Warmup Tool Comparison
Growbots is a cold email platform; Lemwarm is an email warmup tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: cold email outreach on one side, email domain warming and deliverability on the other. This guide lays out what each vendor publishes.
The Quick Answer
Growbots is a cold email platform for cold email outreach; Lemwarm is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, Growbots lists explore database of 180m+ prospects and email verification on import, and Lemwarm lists automated email warmup with human-like interactions and warm-up network of 20,000+ healthy domains.
Growbots offers a lower entry point at $0/mo compared to Lemwarm at $29/mo.
If your priority is sending campaigns that land in the inbox and generate replies, Growbots is the one built for it; for building sender reputation and improving inbox placement, that is Lemwarm. Many teams run one of each.
Understanding the Core Difference
Growbots is Cold email software that finds prospects in a 180M+ contact database, warms up sending inboxes and automates outbound email campaigns. Also sells a Concierge service in which its own team runs the outbound process.
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
Freemium
Essential Plan
Growbots Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Freemium | Free | Basic Filters; partial access to the 180M+ prospect database | 20 email accounts; 3 sequences; up to 20 per email daily |
| Starter Outreach | $29/mo | Credits (Per Propsect) From $0.13 | Unlimited email accounts; unlimited sequences; up to 100 per email daily |
| Pro Outreach | $39/mo | Credits (Per Propsect) From $0.13 | Unlimited email accounts; unlimited sequences; up to 500 per email daily |
Source: Growbots 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
Growbots is more affordable at the entry level ($0/mo vs $29/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.
Growbots includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Explore Database of 180M+ Prospects
- Email Verification on Import
- Gradual Automatic Warmup
- Custom Tracking Domain
- Spintax Formulas
- A/B Testing
- and 4 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
Growbots Key Features
- Explore Database of 180M+ Prospects
- Email Verification on Import
- Gradual Automatic Warmup
- Custom Tracking Domain
- Spintax Formulas
- A/B Testing
- Shared Inbox
- Out-Of-Office Rescheduling
- Warm Replies Detection
- Email Templates Generator
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 Growbots
- Explore Database of 180M+ Prospects
- Email Verification on Import
- Gradual Automatic Warmup
- Custom Tracking Domain
- Spintax Formulas
- A/B Testing
- Shared Inbox
- Out-Of-Office Rescheduling
- Warm Replies Detection
- Email Templates Generator
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
Growbots Integrations
Growbots connects with: Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, IMAP.
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: Gmail, Outlook, SMTP.
Integrations listed only by Growbots: Salesforce, HubSpot, Zapier, IMAP.
Integrations listed only by Lemwarm: Google Workspace, Microsoft 365, lemlist (native), HubSpot (via lemlist), Salesforce (via lemlist), Pipedrive (via lemlist).
Use Case Recommendations
Best Fit for Growbots
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
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
Feature Comparison Summary
| Feature | Growbots | Lemwarm |
|---|---|---|
| Starting Price | Free | $29/mo |
| Top Tier Price | $39/mo | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 9 |
| Founded | 2014 | 2018 |
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
Growbots serves the cold email outreach side of an outbound stack and Lemwarm the email domain warming and deliverability side. Growbots offers a more accessible entry point, while Lemwarm starts at $29/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 Growbots and Lemwarm for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Growbots and Lemwarm?
- Growbots is a cold email platform designed for finding prospects and running outbound campaigns, while Lemwarm is an email warmup tool from lemlist focused on building sender reputation and improving inbox placement. They solve different parts of the outreach workflow, and many teams use both together.
- Which is cheaper, Growbots or Lemwarm?
- Growbots has a lower entry cost, offering a free Freemium plan, while Lemwarm's cheapest option, the Essential Plan, starts at $29/mo. Growbots' paid tiers, Starter Outreach and Pro Outreach, cost $29/mo and $39/mo respectively.
- Can I use Growbots and Lemwarm together?
- Yes, the article notes that many teams run one of each since they serve different functions: Growbots handles cold email outreach while Lemwarm handles domain warming and deliverability. Using both covers both the sending and reputation-building sides of an email outreach stack.
- What integrations does Growbots support?
- Growbots connects with Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, and IMAP. This allows it to fit into existing sales and CRM workflows for outbound campaign management.
- Does Lemwarm work independently or only with lemlist?
- Lemwarm is free with any lemlist subscription, and it also integrates with HubSpot, Salesforce, and Pipedrive natively through lemlist, plus Gmail, Google Workspace, Outlook, Microsoft 365, and SMTP directly.
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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