Growbots vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and Warmy (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 finding prospects and running outbound campaigns, while Warmy is an email warmup tool focused on domain warming and deliverability. Growbots starts free and adds paid tiers at $29/mo and $39/mo, while Warmy uses custom, contact-sales pricing. Many teams run both together rather than choosing one.
Key takeaways
- Growbots offers a free Freemium plan, then Starter Outreach at $29/mo and Pro Outreach at $39/mo.
- Warmy uses custom, volume-based pricing across its B2B sender, B2C sender, and Custom plan tiers, requiring buyers to contact sales.
- Growbots lists access to a database of 180 million or more prospects along with email verification on import.
- Warmy lists email warm-up, an email seed list, and Google Postmaster integration among its core features.
- Growbots integrates with Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, and IMAP, while Warmy integrates with Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, and Google Postmaster.
Reviewed and updated September 2, 2026
Growbots vs Warmy: Cold Email Platform vs Email Warmup Tool Comparison
Sales teams building an outbound stack often weigh Growbots, a cold email platform for cold email outreach, against Warmy, 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
Growbots is a cold email platform for cold email outreach; Warmy 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 Warmy lists email warm-up and email seed list.
Growbots publishes an entry price of $0/mo; Warmy uses custom pricing, so the two cannot be compared on list price.
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 Warmy. 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.
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
Freemium
B2B sender
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
Warmy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| B2B sender | Contact Sales | Reach Businesses | Volume-based pricing |
| B2C sender | Contact Sales | Reach Consumers | Volume-based pricing |
| Custom plan | Contact Sales | Custom Solution | Volume-based pricing |
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.
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
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- 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
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 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 Warmy
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- Deliverability monitor
- Dedicated deliverability expert
Integration Ecosystem
Growbots Integrations
Growbots connects with: Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, IMAP.
Warmy Integrations
Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Shared Integrations
Both tools integrate with: Gmail, Outlook.
Integrations listed only by Growbots: Salesforce, HubSpot, Zapier, SMTP, IMAP.
Integrations listed only by Warmy: Google Workspace, Microsoft 365, Yahoo, Google Postmaster.
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)
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Teams that want to start free and scale up as needs grow
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
| Feature | Growbots | Warmy |
|---|---|---|
| Starting Price | Free | Contact Sales |
| Top Tier Price | $39/mo | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 6 |
| Founded | 2014 | N/A |
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 Warmy the email domain warming and deliverability side. Growbots publishes an entry price (a free tier), 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 Growbots and Warmy for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Growbots and Warmy?
- Growbots is a cold email platform for finding prospects and running outbound campaigns, while Warmy is an email warmup tool focused on domain warming and deliverability. Growbots lists a database of 180 million or more prospects and email verification on import, while Warmy lists email warm-up and an email seed list as core features.
- How much do Growbots and Warmy cost?
- Growbots publishes a Freemium plan at $0/mo, plus Starter Outreach at $29/mo and Pro Outreach at $39/mo. Warmy uses custom, volume-based pricing across its B2B sender, B2C sender, and Custom plan tiers, so buyers must contact sales for a quote rather than seeing a published list price.
- Can I use Growbots and Warmy together?
- Yes, the article notes that many teams run one of each since they serve different parts of the outbound workflow. Growbots handles sending campaigns and generating replies, while Warmy focuses on building sender reputation and improving inbox placement.
- What integrations do Growbots and Warmy support?
- Growbots connects with Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, and IMAP. Warmy connects with Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, and Google Postmaster. Both tools share integrations with Gmail and Outlook.
- Which tool is better for teams launching a new email domain?
- Warmy is listed as a best fit for teams launching new email domains for outreach, since it specializes in domain and IP warmup with AI-driven automation and a network of mailboxes. Growbots is better suited for budget-conscious teams that want a free entry point and a wide outbound feature set.
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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