AiSDR vs Mailarrow: Sales Engagement Platform vs Cold Email Platform Comparison
Compare AiSDR (sales engagement platform) and Mailarrow (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AiSDR is a sales engagement platform built for multi-channel outreach and engagement tracking across email, LinkedIn, and phone, priced from $250/mo. Mailarrow is a cold email platform focused on inbox deliverability, warmup, and reply generation, priced from $39/mo. Many teams run both together rather than choosing one over the other.
Key takeaways
- AiSDR's entry plan is $250/mo for the Solo tier, covering 200 AI-researched contacts per month, 1 domain, 3 mailboxes, and 1 LinkedIn account.
- Mailarrow's entry plan is $39/mo for the Basic tier, covering 2,000 active prospects and 6,000 emails.
- AiSDR lists native two-way CRM sync with both HubSpot and Salesforce, while Mailarrow does not list CRM sync among its features.
- Mailarrow lists unlimited email warmup and unlimited mailboxes, while AiSDR lists turnkey email setup and warmup with automated inbox rotation.
- Gmail is the only integration listed by both AiSDR and Mailarrow, with AiSDR also connecting to Salesforce, Aircall, Calendly, and LinkedIn, and Mailarrow connecting to Outlook, Zoho, Zapier, and TrulyInbox.
Reviewed and updated September 4, 2026
AiSDR vs Mailarrow: Sales Engagement Platform vs Cold Email Platform Comparison
AiSDR (sales engagement platform) and Mailarrow (cold email 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
AiSDR is a sales engagement platform for multi-channel sales outreach and engagement tracking; Mailarrow is a cold email platform for cold email outreach. By each vendor's own wording, AiSDR lists ai-researched emails and linkedin actions on autopilot and ami ai gtm agent for strategy and campaign building, and Mailarrow lists unlimited email warmup and unlimited mailboxes.
Mailarrow offers a lower entry point at $39/mo compared to AiSDR at $250/mo.
If your priority is coordinating outreach across email, phone, and social channels, AiSDR is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Mailarrow. Many teams run one of each.
Understanding the Core Difference
AiSDR is AI SDR platform whose agent researches prospects and runs email and LinkedIn outreach on autopilot, with turnkey mailbox setup and warmup, inbox rotation and two-way CRM sync.
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
Solo
Basic
AiSDR Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Solo | $250/mo | 200 AI-researched contacts/month | 1 domain, 3 mailboxes, 1 LinkedIn account |
| Explore | $900/mo | 800 AI-researched contacts/month | 2 domains, 6 mailboxes, 5 LinkedIn accounts |
| Scale | $2500/mo | 2,500 AI-researched contacts/month | 6 domains, 18 mailboxes, 20 LinkedIn accounts |
Source: AiSDR 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
Mailarrow offers the lower entry point ($39/mo vs $250/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Features Breakdown
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- 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
AiSDR Key Features
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- Native two-way Salesforce CRM sync
- LinkedIn signals for post engagement, profile visits and keyword tracking
- AI videos in messages and AI voice notes in LinkedIn messages
- Website visitor tracking, enrichment and outreach
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 AiSDR
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- Native two-way Salesforce CRM sync
- LinkedIn signals for post engagement, profile visits and keyword tracking
- AI videos in messages and AI voice notes in LinkedIn messages
- Website visitor tracking, enrichment and outreach
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
AiSDR Integrations
AiSDR connects with: HubSpot, Salesforce, Gmail, Microsoft Outlook, Aircall, Calendly, LinkedIn.
Mailarrow Integrations
Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by AiSDR: HubSpot, Salesforce, Microsoft Outlook, Aircall, Calendly, LinkedIn.
Integrations listed only by Mailarrow: Outlook, Zoho, Zapier, TrulyInbox.
Use Case Recommendations
Best Fit for AiSDR
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
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 | AiSDR | Mailarrow |
|---|---|---|
| Starting Price | $250/mo | $39/mo |
| Top Tier Price | $2500/mo | $99/mo |
| Total Features Listed | 10 | 10 |
| Integrations | 7 | 5 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and cold email outreach requirements and monthly budget
- Estimate your expected sequences and engagement actions and 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
AiSDR serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Mailarrow the cold email outreach side. Mailarrow offers a more accessible entry point at $39/mo, while AiSDR starts at $250/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 AiSDR and Mailarrow for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between AiSDR and Mailarrow?
- AiSDR is a sales engagement platform that automates multi-channel outreach across email and LinkedIn with AI-researched contacts and CRM sync, while Mailarrow is a cold email platform focused on deliverability features like unlimited email warmup, unlimited mailboxes, and reply tracking. Users bring their own mailboxes and lists to Mailarrow.
- How much does AiSDR cost compared to Mailarrow?
- AiSDR's entry plan, Solo, costs $250/mo and includes 200 AI-researched contacts per month, 1 domain, 3 mailboxes, and 1 LinkedIn account. Mailarrow's entry plan, Basic, costs $39/mo and includes 2,000 active prospects and 6,000 emails, making it the lower-priced entry point of the two.
- Can AiSDR and Mailarrow be used together?
- Yes, the article notes that many teams run one of each platform. AiSDR handles coordinating outreach across email, phone, and social channels, while Mailarrow focuses on sending campaigns designed to land in the inbox and generate replies, so the two can complement rather than replace each other.
- What integrations does AiSDR support that Mailarrow does not?
- AiSDR integrates with HubSpot, Salesforce, Microsoft Outlook, Aircall, Calendly, and LinkedIn, none of which are listed as Mailarrow integrations. Mailarrow instead lists Outlook, Zoho, Zapier, and TrulyInbox, and the only integration both platforms share is Gmail.
- Does Mailarrow provide leads or mailboxes for outreach?
- No, Mailarrow does not sell leads or provide inboxes. Users are expected to bring their own mailboxes and prospect lists, and Mailarrow's role is to support cold email sending with features like email warmup, AI personalization, and unlimited sequences.
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.
GetSales.io vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison
Compare GetSales.io (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Enginy vs Success.ai: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Enginy (sales engagement platform) and Success.ai (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Artisan vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Artisan (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Hexospark vs JustCall: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Hexospark (cold email platform) and JustCall (sales engagement platform). See pricing, features, and integrations to decide which one, or both, your stack needs.
EmailBison vs Luru: Cold Email Platform vs Sales Engagement Platform Comparison
Compare EmailBison (cold email platform) and Luru (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AiSDR vs Clearout: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare AiSDR (sales engagement platform) and Clearout (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.