Mailarrow vs Success.ai: Cold Email Platform Comparison
Compare Mailarrow and Success.ai side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Mailarrow and Success.ai are both cold email platforms, but they differ in focus and price. Mailarrow starts at $39/mo with unlimited email warmup and unlimited mailboxes, aimed at teams bringing their own mailboxes and lists. Success.ai starts at $49/mo and centers on a 700M+ contact database with AI sales and reply operators.
Key takeaways
- Mailarrow's entry plan costs $39/mo and includes 2,000 active prospects and 6,000 emails, while Success.ai's Lite plan costs $49/mo with 2,000 tokens per month and 5,000 emails on 10 warmed accounts.
- Success.ai offers four pricing tiers (Lite, Starter, Pro, Enterprise) compared to Mailarrow's three tiers (Basic, Professional, Growth).
- Mailarrow lists 10 features including Unlimited Email Warmup, Unlimited Mailboxes, and AI Personalization, while Success.ai lists 9 features including AI Sales & Reply Operators and a 700M+ contact database.
- Zapier is the only integration both platforms list in common, with Mailarrow adding Gmail, Outlook, Zoho, and TrulyInbox, and Success.ai adding HubSpot, Salesforce, Pipedrive, and Slack.
- Success.ai meters data reveals, enrichment, and AI actions through a token balance system, whereas Mailarrow does not use a token model.
Reviewed and updated September 2, 2026
Mailarrow vs Success.ai: Cold Email Platform Comparison
Mailarrow and Success.ai are both cold email platforms. Choosing between them depends on your team size, budget, and specific cold email outreach requirements. Here is what each vendor publishes about pricing, features, and integrations.
The Quick Answer
By each vendor's own wording, Mailarrow lists unlimited email warmup and unlimited mailboxes, while Success.ai lists ai sales & reply operators and 700m+ database with unlimited look-ups. A capability both offer can appear under different names, so read both feature lists below.
Mailarrow offers a lower entry point at $39/mo compared to Success.ai at $49/mo.
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
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.
Success.ai is Cold email outreach platform with unlimited email sending accounts, unlimited warmup, a unified inbox and a 700M+ contact B2B database. AI operators write campaigns and draft replies, and a token balance meters data reveals, enrichment and AI actions.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Basic
Lite
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
Success.ai Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Lite | $49/mo | 2,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 5K emails /mo with warm-up on 10 accounts |
| Starter | $99/mo | 6,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 50K emails /mo with unlimited warm-up |
| Pro | $199/mo | 10,000 tokens /mo + advanced search filters | 150K emails /mo + advanced deliverability |
| Enterprise | Contact Sales | Custom tokens & unlimited email sending | Custom tokens & unlimited email sending |
Source: Success.ai Pricing
Pricing Analysis
Mailarrow is more affordable at the entry level ($39/mo vs $49/mo). For teams with tight budgets or those just getting started with cold email outreach, this price difference matters.
Success.ai offers 4 pricing tiers compared to Mailarrow's 3, giving you more granularity as you scale.
Features Breakdown
- Unlimited Email Warmup
- Unlimited Mailboxes
- AI Personalization
- Sending mailbox rotation
- Detailed campaign analytics
- Bulk Prospects Import
- and 4 more listed below
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- and 3 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
Success.ai Key Features
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
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 Success.ai
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
Integration Ecosystem
Mailarrow Integrations
Mailarrow connects with: Gmail, Outlook, Zoho, Zapier, TrulyInbox.
Success.ai Integrations
Success.ai connects with: Zapier, HubSpot, Salesforce, Pipedrive, Slack.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by Mailarrow: Gmail, Outlook, Zoho, TrulyInbox.
Integrations listed only by Success.ai: HubSpot, Salesforce, Pipedrive, Slack.
Use Case Recommendations
Best Fit for Mailarrow
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Best Fit for Success.ai
- 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
Feature Comparison Summary
| Feature | Mailarrow | Success.ai |
|---|---|---|
| Starting Price | $39/mo | $49/mo |
| Top Tier Price | $99/mo | Contact Sales |
| Total Features Listed | 10 | 9 |
| Integrations | 5 | 5 |
Getting Started Checklist
- Define your cold email outreach requirements and monthly budget
- Estimate your expected 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
Mailarrow and Success.ai both serve the cold email outreach market. Mailarrow offers a more accessible entry point at $39/mo, while Success.ai starts at $49/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 Success.ai for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Mailarrow or Success.ai?
- Mailarrow is cheaper at the entry level, starting at $39/mo compared to Success.ai's $49/mo starting price. Mailarrow's Basic plan includes 2,000 active prospects and 6,000 emails, while Success.ai's Lite plan includes 2,000 tokens per month and 5,000 emails with warm-up on 10 accounts.
- What is the main difference between Mailarrow and Success.ai?
- Mailarrow is cold email outreach software built around unlimited email warmup, unlimited mailboxes, and AI personalization, with users bringing their own mailboxes and prospect lists. Success.ai is a cold email platform centered on a 700M+ contact B2B database, AI sales and reply operators, and a token system that meters data reveals and enrichment.
- Does Mailarrow provide leads or a contact database?
- No. Mailarrow does not sell leads or provide inboxes; users bring their own mailboxes and prospect lists. This contrasts with Success.ai, which includes a 700M+ contact database with unlimited look-ups as part of its platform.
- What integrations do Mailarrow and Success.ai support?
- Zapier is the only integration both platforms have in common. Mailarrow additionally connects with Gmail, Outlook, Zoho, and TrulyInbox, while Success.ai additionally connects with HubSpot, Salesforce, Pipedrive, and Slack.
- How many pricing tiers do Mailarrow and Success.ai offer?
- Mailarrow offers three pricing tiers: Basic, Professional, and Growth, priced at $39/mo, $59/mo, and $99/mo respectively. Success.ai offers four tiers: Lite, Starter, Pro, and Enterprise, priced at $49/mo, $99/mo, $199/mo, and custom pricing for Enterprise.
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.
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.
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.
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.
Growbots vs MailHeat: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and MailHeat (email warmup tool) 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 Emelia: Cold Email Platform Comparison
Compare EmailBison and Emelia side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.