Mailshake vs SendFlock: Cold Email Platform Comparison

Mailshake vs SendFlock: Cold Email Platform Comparison

Finding the right cold email platform can directly impact your revenue pipeline. Mailshake and SendFlock both aim to solve the same core problem (sending campaigns that land in the inbox and generate replies), yet they approach it differently. Let's break down the specifics.

The Quick Answer

By each vendor's own wording, Mailshake lists unlimited email warmup and unlimited campaigns, while SendFlock lists unlimited mailboxes and unlimited email warm up. A capability both offer can appear under different names, so read both feature lists below.

Both start at the same price point ($29/mo), so the decision comes down to features and workflow fit.

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

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

SendFlock is Cold email software for agencies and lean lead gen teams that bundles email warmup, automated follow-up sequences, email rotation across unlimited mailboxes, a unified inbox and a simple CRM in one tool.

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

Pricing Comparison

Mailshake Pricing (as of September 2026)

Source: Mailshake Pricing

SendFlock Pricing (as of September 2026)

Source: SendFlock Pricing

Pricing Analysis

Both platforms start at the same $29/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.

Features Breakdown

Mailshake lists

• Unlimited email warmup
• Unlimited campaigns
• Mail merge
• AI email writing
• LinkedIn automation (Sales Engagement+)
• VOIP dialer (US/Canada unlimited)
• and 1 more listed below

Both tools

• A/B testing
• Email rotation
• Unified inbox

SendFlock lists

• Unlimited Mailboxes
• Unlimited Email Warm Up
• Follow Up Sequences
• Global Block List
• Workflow Automation
• Bounce detection
• and 1 more listed below

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

SendFlock Key Features

• Unlimited Mailboxes
• Unlimited Email Warm Up
• Unified Inbox
• Follow Up Sequences
• A/B Testing
• Email Rotation
• Global Block List
• Workflow Automation
• Bounce detection
• CRM

Shared Capabilities

Both Mailshake and SendFlock include:

• A/B testing
• Email rotation
• Unified inbox

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 Mailshake

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

Listed only by SendFlock

• Unlimited Mailboxes
• Unlimited Email Warm Up
• Follow Up Sequences
• Global Block List
• Workflow Automation
• Bounce detection
• CRM

Integration Ecosystem

Mailshake Integrations

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

SendFlock Integrations

SendFlock connects with: Gmail, Gsuite, Outlook, Zoho, Custom SMTP/IMAP, Zapier.

Shared Integrations

Both tools integrate with: Zapier.

Integrations listed only by Mailshake: Salesforce, Pipedrive, HubSpot.

Integrations listed only by SendFlock: Gmail, Gsuite, Outlook, Zoho, Custom SMTP/IMAP.

Use Case Recommendations

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

Best Fit for SendFlock

• Budget-conscious teams looking for an affordable cold email platform
• Organizations with complex tech stacks needing broad integration support (6 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support

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

Mailshake and SendFlock both serve the cold email outreach market. Mailshake offers a more accessible entry point at $29/mo, while SendFlock 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 Mailshake and SendFlock for current information.