Mailshake vs Regie.ai: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Mailshake (cold email platform) and Regie.ai (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Mailshake is a cold email platform built for sending campaigns that land in the inbox and generate replies, priced from $29/mo. Regie.ai is a sales engagement platform for coordinating multi-channel outreach across email, phone, and social, with a free entry tier starting at $0/mo. Many teams run both tools together.
Key takeaways
- Mailshake's Starter plan costs $29/mo and includes 1,500 email sends per month with unlimited uploaded contacts.
- Regie.ai's Free plan offers 250 one-time credits, while its Pro plan costs $49/mo for 5,000 credits every month.
- Mailshake offers four pricing tiers (Starter, Email Outreach, Sales Engagement, Agency Plan) compared to Regie.ai's three tiers (Free, Pro, Enterprise).
- Both platforms list HubSpot as a shared integration, but Mailshake also connects to Salesforce, Pipedrive, and Zapier while Regie.ai connects to Gmail, Microsoft Outlook, and LinkedIn.
- Mailshake lists unlimited email warmup and unlimited campaigns as key features, while Regie.ai lists AI agents for sourcing, ranking, call prep, and follow-ups.
Reviewed and updated September 2, 2026
Mailshake vs Regie.ai: Cold Email Platform vs Sales Engagement Platform Comparison
Mailshake (cold email platform) and Regie.ai (sales engagement platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
Mailshake is a cold email platform for cold email outreach; Regie.ai is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, Mailshake lists unlimited email warmup and unlimited campaigns, and Regie.ai lists ai agents for sourcing, ranking, call prep and follow-ups and relevant messaging trained on your voice and company pitch.
Regie.ai 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, Mailshake is the one built for it; for coordinating outreach across email, phone, and social channels, that is Regie.ai. Many teams run one of each.
Understanding the Core Difference
Mailshake is Sales engagement platform with email outreach, VOIP dialer, and LinkedIn automation for sales teams.
Regie.ai is Agentic sales workspace (RegieGO) with built-in enrichment, emailing, dialing and workflows, plus multi-channel outreach plays across email, phone and social run from a single chat interface.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Free
Mailshake Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED uploaded contacts | 1,500 email sends per month |
| Email Outreach | $49/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Sales Engagement | $99/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Agency Plan | Contact Sales | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
Source: Mailshake Pricing
Regie.ai Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 250 credits to get started (one-time) |
| Pro | $49/mo | 5,000 credits every month |
| Enterprise | Contact Sales | Volume credits, priced to your team |
Source: Regie.ai Pricing
Pricing Analysis
Regie.ai offers the lower entry point ($0/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mailshake offers 4 pricing tiers compared to Regie.ai's 3, giving you more granularity as you scale.
Regie.ai includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Unlimited email warmup
- Unlimited campaigns
- Mail merge
- A/B testing
- AI email writing
- Email rotation
- and 4 more listed below
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- and 4 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
Regie.ai Key Features
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- Website visitor identification
- Lead enrichment with a multi-provider waterfall
- Pre-built plays ready to run
- Sales-Ready AI with pre-baked prompts and automations
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
- A/B testing
- AI email writing
- Email rotation
- Unified inbox
- LinkedIn automation (Sales Engagement+)
- VOIP dialer (US/Canada unlimited)
- Lead Catcher
Listed only by Regie.ai
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- Website visitor identification
- Lead enrichment with a multi-provider waterfall
- Pre-built plays ready to run
- Sales-Ready AI with pre-baked prompts and automations
Integration Ecosystem
Mailshake Integrations
Mailshake connects with: Salesforce, Pipedrive, HubSpot, Zapier.
Regie.ai Integrations
Regie.ai connects with: Gmail, Microsoft Outlook, HubSpot, LinkedIn.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by Mailshake: Salesforce, Pipedrive, Zapier.
Integrations listed only by Regie.ai: Gmail, Microsoft Outlook, LinkedIn.
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 Regie.ai
- Budget-conscious teams looking for an affordable sales engagement platform
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Mailshake | Regie.ai |
|---|---|---|
| Starting Price | $29/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 4 | 4 |
Getting Started Checklist
- Define your cold email outreach and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected email sending volume and sequences and engagement actions 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
Mailshake serves the cold email outreach side of an outbound stack and Regie.ai the multi-channel sales outreach and engagement tracking side. Regie.ai 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 Mailshake and Regie.ai for current information.
Frequently asked questions.
Frequently asked questions- Is Mailshake or Regie.ai cheaper to start with?
- Regie.ai is cheaper to start with since it offers a free entry tier with 250 one-time credits, while Mailshake's lowest paid plan costs $29/mo for 1,500 email sends per month with unlimited uploaded contacts.
- What is the main difference between Mailshake and Regie.ai?
- Mailshake is a cold email platform focused on sending campaigns that land in the inbox and generate replies, while Regie.ai is a sales engagement platform for coordinating outreach across email, phone, and social channels using AI agents.
- Do Mailshake and Regie.ai integrate with the same tools?
- They share one listed integration, HubSpot. Mailshake also integrates with Salesforce, Pipedrive, and Zapier, while Regie.ai integrates with Gmail, Microsoft Outlook, and LinkedIn.
- Can I use both Mailshake and Regie.ai together?
- Yes, many teams run both platforms together, using Mailshake for cold email outreach and Regie.ai for coordinating multi-channel engagement across email, phone, and social channels.
- How many pricing tiers does each platform offer?
- Mailshake offers four pricing tiers: Starter, Email Outreach, Sales Engagement, and Agency Plan. Regie.ai offers three tiers: Free, Pro, and Enterprise, giving Mailshake one more level of pricing granularity.
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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