Growbots vs Mailshake: Cold Email Platform Comparison

Growbots vs Mailshake: Cold Email Platform Comparison

Growbots and Mailshake are both cold email platforms. Choosing between them depends on your team size, budget, and specific cold email outreach requirements. Here is what each vendor publishes about pricing, features, and integrations.

The Quick Answer

By each vendor's own wording, Growbots lists explore database of 180m+ prospects and email verification on import, while Mailshake lists unlimited email warmup and unlimited campaigns. 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 Mailshake at $29/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.

Mailshake is Sales engagement platform with email outreach, VOIP dialer, and LinkedIn automation for sales teams.

Both platforms offer a/b testing. Where they diverge is in their approach to pricing tiers and advanced capabilities.

Pricing Comparison

FreeGrowbots entry plan

Freemium

$29/moMailshake entry plan

Starter

Growbots Pricing (as of September 2026)

Source: Growbots Pricing

Mailshake Pricing (as of September 2026)

Source: Mailshake 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, this price difference matters.

Mailshake offers 4 pricing tiers compared to Growbots's 3, giving you more granularity as you scale.

Growbots includes a free tier, letting you test the platform before committing financially.

Features Breakdown

Growbots lists

• Explore Database of 180M+ Prospects
• Email Verification on Import
• Gradual Automatic Warmup
• Custom Tracking Domain
• Spintax Formulas
• Shared Inbox
• and 3 more listed below

Both tools

• A/B Testing

Mailshake lists

• Unlimited email warmup
• Unlimited campaigns
• Mail merge
• AI email writing
• Email rotation
• Unified inbox
• and 3 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

Mailshake Key Features

• Unlimited email warmup
• Unlimited campaigns
• Mail merge
• A/B testing
• AI email writing
• Email rotation
• Unified inbox
• LinkedIn automation (Sales Engagement+)
• VOIP dialer (US/Canada unlimited)
• Lead Catcher

Shared Capabilities

Both Growbots and Mailshake include:

• A/B Testing

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
• Shared Inbox
• Out-Of-Office Rescheduling
• Warm Replies Detection
• Email Templates Generator

Listed only by Mailshake

• Unlimited email warmup
• Unlimited campaigns
• Mail merge
• AI email writing
• Email rotation
• Unified inbox
• LinkedIn automation (Sales Engagement+)
• VOIP dialer (US/Canada unlimited)
• Lead Catcher

Integration Ecosystem

Growbots Integrations

Growbots connects with: Salesforce, HubSpot, Zapier, Gmail, Outlook, SMTP, IMAP.

Mailshake Integrations

Mailshake connects with: Salesforce, Pipedrive, HubSpot, Zapier.

Shared Integrations

Both tools integrate with: Salesforce, HubSpot, Zapier.

Integrations listed only by Growbots: Gmail, Outlook, SMTP, IMAP.

Integrations listed only by Mailshake: Pipedrive.

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 Mailshake

• Budget-conscious teams looking for an affordable cold email platform
• Enterprise buyers who prefer custom pricing and dedicated support
• Sales teams running high-volume outbound email campaigns
• Agencies managing multiple client outreach programs

Feature Comparison Summary

Getting Started Checklist

1. Define your cold email outreach requirements and monthly budget
2. Estimate your expected email sending volume to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Growbots and Mailshake both serve the cold email outreach market. Growbots offers a more accessible entry point, while Mailshake 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 Mailshake for current information.