Mailarrow vs Regie.ai: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Mailarrow (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.
Compare Mailarrow (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.
Reviewed and updated September 2, 2026
Mailarrow vs Regie.ai: Cold Email Platform vs Sales Engagement Platform Comparison
Sales teams building an outbound stack often weigh Mailarrow, a cold email platform for cold email outreach, against Regie.ai, a sales engagement platform for multi-channel sales outreach and engagement tracking. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
Mailarrow 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, Mailarrow lists unlimited email warmup and unlimited mailboxes, 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 Mailarrow at $39/mo.
If your priority is sending campaigns that land in the inbox and generate replies, Mailarrow 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
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.
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
Basic
Free
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
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 $39/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Regie.ai includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- 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
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
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 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
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
Mailarrow Integrations
Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
Regie.ai Integrations
Regie.ai connects with: Gmail, Microsoft Outlook, HubSpot, LinkedIn.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by Mailarrow: Outlook, Zoho, Zapier, TrulyInbox.
Integrations listed only by Regie.ai: Microsoft Outlook, HubSpot, LinkedIn.
Use Case Recommendations
Best Fit for Mailarrow
- Budget-conscious teams looking for an affordable cold email platform
- Organizations with complex tech stacks needing broad integration support (5 integrations)
- 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 | Mailarrow | Regie.ai |
|---|---|---|
| Starting Price | $39/mo | Free |
| Top Tier Price | $99/mo | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 5 | 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
Mailarrow 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 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 Mailarrow and Regie.ai for current information.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
Emelia vs Salesforge: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Emelia (cold email platform) and Salesforge (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Growbots vs La Growth Machine: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Growbots (cold email platform) and La Growth Machine (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Growbots vs Salesforge: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Growbots (cold email platform) and Salesforge (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Amplemarket vs Instantly: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Amplemarket (sales engagement platform) and Instantly (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Amplemarket vs Lemlist: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Amplemarket (sales engagement platform) and Lemlist (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Amplemarket vs Mailshake: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Amplemarket (sales engagement platform) and Mailshake (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.