Mailarrow vs SalesStack: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Mailarrow (cold email platform) and SalesStack (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 SalesStack (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
Mailarrow vs SalesStack: 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 SalesStack, 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; SalesStack 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 SalesStack lists lead scoring and cold email outreach.
Mailarrow offers a lower entry point at $39/mo compared to SalesStack at $1970/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 SalesStack. 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.
SalesStack is Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Basic
Grow
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
SalesStack Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Grow | $1970/yr | 5 unique mailboxes; 1000 lead search and enrichment credits; unlimited lead search | Not published as a send figure; cloud call center included |
| Ultimate | $4970/yr | 20 unique mailboxes; 3500 lead search and enrichment credits | Not published as a send figure |
| Enterprise | $9970/yr | 100 unique mailboxes; 8000 lead search and enrichment credits | Advanced, AI-powered email warm-up |
Source: SalesStack Pricing
Pricing Analysis
Mailarrow is more affordable at the entry level ($39/mo vs $1970/mo). For teams with tight budgets or those just getting started with cold email outreach and multi-channel sales outreach and engagement tracking, this price difference matters.
Features Breakdown
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- and 4 more listed below
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- 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
SalesStack Key Features
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
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 SalesStack
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
Integration Ecosystem
Mailarrow Integrations
Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
SalesStack Integrations
SalesStack connects with: .
Integrations listed only by Mailarrow: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
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 SalesStack
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
Feature Comparison Summary
| Feature | Mailarrow | SalesStack |
|---|---|---|
| Starting Price | $39/mo | $1970/yr |
| Top Tier Price | $99/mo | $9970/yr |
| Total Features Listed | 10 | 10 |
| Integrations | 5 | 0 |
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 SalesStack the multi-channel sales outreach and engagement tracking side. Mailarrow offers a more accessible entry point at $39/mo, while SalesStack starts at $1970/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 SalesStack 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
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