Growbots vs Mailarrow: Cold Email Platform Comparison
Compare Growbots and Mailarrow side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Growbots and Mailarrow are cold email outreach platforms with different core strengths: Growbots pairs a 180M+ prospect database and email verification with a free Freemium plan starting at $0/mo, while Mailarrow offers unlimited email warmup and unlimited mailboxes starting at $39/mo. Growbots suits budget conscious teams needing broad integrations, Mailarrow suits high volume outbound teams and agencies.
Key takeaways
- Growbots offers a free Freemium plan while Mailarrow's cheapest plan, Basic, costs $39/mo.
- Growbots's Pro Outreach plan costs $39/mo and allows up to 500 emails per email account daily.
- Mailarrow's Growth plan costs $99/mo and includes 50,000 active prospects and 150,000 emails.
- Growbots integrates with 7 tools including Salesforce and HubSpot, while Mailarrow integrates with 5 tools including Zoho and TrulyInbox.
- Growbots lists a database of 180M+ prospects as a key feature, while Mailarrow lists unlimited email warmup and unlimited mailboxes.
Reviewed and updated September 2, 2026
Growbots vs Mailarrow: Cold Email Platform Comparison
If you are comparing cold email outreach tools, Growbots and Mailarrow will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, Growbots lists explore database of 180m+ prospects and email verification on import, while Mailarrow lists unlimited email warmup and unlimited mailboxes. A capability both offer can appear under different names, so read both feature lists below.
Growbots offers a lower entry point at $0/mo compared to Mailarrow at $39/mo.
If your priority is sending campaigns that land in the inbox and generate replies, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
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.
Mailarrow is Cold email outreach software with email warmup, AI personalization, unlimited sequences and unlimited connected mailboxes. Users bring their own mailboxes and prospect lists; Mailarrow does not sell leads or provide inboxes.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Freemium
Basic
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
Mailarrow Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | $39/mo | 2,000 active prospects | 6,000 emails |
| Professional | $59/mo | 20,000 active prospects | 60,000 emails |
| Growth | $99/mo | 50,000 active prospects | 150,000 emails |
Source: Mailarrow Pricing
Pricing Analysis
Growbots is more affordable at the entry level ($0/mo vs $39/mo). For teams with tight budgets or those just getting started with cold email outreach, 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
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- and 4 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
Mailarrow Key Features
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- Custom properties
- Sending schedules
- Advanced tracking
- Reply 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 Mailarrow
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- Custom properties
- Sending schedules
- Advanced tracking
- Reply tracking
Integration Ecosystem
Growbots Integrations
Growbots connects with: Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, IMAP.
Mailarrow Integrations
Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
Shared Integrations
Both tools integrate with: Zapier, Gmail, Outlook.
Integrations listed only by Growbots: Salesforce, HubSpot, SMTP, IMAP.
Integrations listed only by Mailarrow: Zoho, TrulyInbox.
Use Case Recommendations
Best Fit for Growbots
- Budget-conscious teams looking for an affordable cold email platform
- 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 Mailarrow
- Budget-conscious teams looking for an affordable cold email platform
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
- SDR teams focused on pipeline generation
Feature Comparison Summary
| Feature | Growbots | Mailarrow |
|---|---|---|
| Starting Price | Free | $39/mo |
| Top Tier Price | $39/mo | $99/mo |
| Total Features Listed | 10 | 10 |
| Integrations | 7 | 5 |
| Founded | 2014 | N/A |
Getting Started Checklist
- Define your cold email outreach requirements and monthly budget
- Estimate your expected email sending 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 and Mailarrow both serve the cold email outreach market. Growbots offers a more accessible entry point, while Mailarrow starts at $39/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 Mailarrow for current information.
Frequently asked questions.
Frequently asked questions- How much does Growbots cost compared to Mailarrow?
- Growbots starts free with its Freemium plan, then moves to $29/mo for Starter Outreach and $39/mo for Pro Outreach. Mailarrow starts at $39/mo for its Basic plan, rising to $59/mo for Professional and $99/mo for Growth. Growbots has the lower entry point overall.
- What integrations does Growbots support?
- Growbots connects with Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, and IMAP, totaling seven integrations. Mailarrow connects with five tools: Gmail, Outlook, Zoho, Zapier, and TrulyInbox. Zapier, Gmail, and Outlook are supported by both platforms, while Salesforce, HubSpot, SMTP, and IMAP are listed only by Growbots.
- Which tool is better for high volume outbound campaigns?
- Mailarrow is recommended for sales teams running high volume outbound email campaigns, agencies managing multiple client outreach programs, and SDR teams focused on pipeline generation. Growbots is better suited for budget conscious teams, organizations with complex tech stacks needing broad integration support, and teams that want to start free and scale up.
- Does Growbots provide its own leads?
- Yes, Growbots finds prospects through its own database of over 180 million contacts and offers email verification on import. Mailarrow, by contrast, does not sell leads or provide inboxes: users must bring their own mailboxes and prospect lists.
- What features are unique to Mailarrow?
- Mailarrow's own feature list includes unlimited email warmup, unlimited mailboxes, AI personalization, sending mailbox rotation, detailed campaign analytics, bulk prospects import, custom properties, sending schedules, advanced tracking, and reply tracking. None of these appear under the same wording on Growbots's own feature list.
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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