Growbots vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and MailToaster (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 outbound prospecting, offering a database of 180M+ contacts and campaign automation starting at $0/mo. MailToaster is an email warmup tool focused on sender reputation and deliverability, starting at $29/mo. Many teams use both together since they solve different parts of the outreach workflow.
Key takeaways
- Growbots offers a free Freemium plan while MailToaster's entry plan starts at $29/mo.
- Growbots lists access to a database of 180M+ prospects and email verification on import as key features.
- MailToaster lists a 100% automated email warm-up process and a trusted network of real inboxes as key features.
- Growbots provides 3 pricing tiers (Freemium, Starter Outreach at $29/mo, Pro Outreach at $39/mo) compared to MailToaster's single Email Warm-up plan.
- Growbots integrates with Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, and IMAP, while MailToaster integrates with Gmail, GSuite, and Outlook.
Reviewed and updated September 2, 2026
Growbots vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
Growbots is a cold email platform; MailToaster 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; MailToaster 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 MailToaster lists 100% automated email warm-up process and trusted network of real inboxes for extra security.
Growbots offers a lower entry point at $0/mo compared to MailToaster 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 MailToaster. 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.
MailToaster is Automated email warm-up service that builds, maintains and repairs sender reputation using peer-to-peer sending across a network of real inboxes. Warm-up profiles let you choose whether to build, maintain or repair reputation, and the system opens, replies to and removes messages from spam on your behalf.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Freemium
Email Warm-up
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
MailToaster Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm-up | $29/mo | Email account / month | Not published; volume is managed by the warm-up profile |
Source: MailToaster 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 offers 3 pricing tiers compared to MailToaster's 1, giving you more granularity as you scale.
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
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- 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
MailToaster Key Features
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
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 MailToaster
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
Integration Ecosystem
Growbots Integrations
Growbots connects with: Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, IMAP.
MailToaster Integrations
MailToaster connects with: Gmail, GSuite, Outlook.
Shared Integrations
Both tools integrate with: Gmail, Outlook.
Integrations listed only by Growbots: Salesforce, HubSpot, Zapier, SMTP, IMAP.
Integrations listed only by MailToaster: GSuite.
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 MailToaster
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Feature Comparison Summary
| Feature | Growbots | MailToaster |
|---|---|---|
| Starting Price | Free | $29/mo |
| Top Tier Price | $39/mo | $29/mo |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 3 |
| 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 MailToaster the email domain warming and deliverability side. Growbots offers a more accessible entry point, while MailToaster 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 MailToaster for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Growbots and MailToaster?
- Growbots is a cold email platform for finding prospects and running outbound campaigns, while MailToaster is an email warmup tool focused on building and maintaining sender reputation and inbox deliverability. They address different parts of the outreach workflow, so many teams use both together.
- How much does Growbots cost compared to MailToaster?
- Growbots has a free Freemium plan and paid tiers at $29/mo (Starter Outreach) and $39/mo (Pro Outreach). MailToaster has a single published plan, Email Warm-up, at $29/mo per email account per month. Growbots therefore has a lower entry point and more pricing tiers.
- Which tool is better for cold outreach, Growbots or MailToaster?
- Growbots is built specifically for cold outreach, offering a database of 180M+ prospects, email verification on import, spintax formulas, and A/B testing. MailToaster does not run outreach campaigns; it focuses on warming up email accounts so those campaigns land in the inbox rather than spam.
- Do Growbots and MailToaster integrate with the same tools?
- They share Gmail and Outlook integrations. Beyond that, Growbots also connects with Salesforce, HubSpot, Zapier, SMTP, and IMAP, while MailToaster additionally supports GSuite. Growbots has a broader integration ecosystem overall.
- Can I use Growbots and MailToaster together?
- Yes, the article notes that many teams run one of each since Growbots handles cold email outreach and MailToaster handles email domain warming and deliverability. Growbots also includes its own gradual automatic warmup feature, but MailToaster is dedicated specifically to warmup and reputation management.
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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