MailRush.io vs Salestools: Cold Email Platform vs Sales Engagement Platform Comparison
Compare MailRush.io (cold email platform) and Salestools (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare MailRush.io (cold email platform) and Salestools (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
MailRush.io vs Salestools: Cold Email Platform vs Sales Engagement Platform Comparison
MailRush.io (cold email platform) and Salestools (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
MailRush.io is a cold email platform for cold email outreach; Salestools is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, MailRush.io lists unlimited senders and unlimited email warming, and Salestools lists ai sales agents and prospector.
MailRush.io offers a lower entry point at $19/mo compared to Salestools at $79/mo.
If your priority is sending campaigns that land in the inbox and generate replies, MailRush.io is the one built for it; for coordinating outreach across email, phone, and social channels, that is Salestools. Many teams run one of each.
Understanding the Core Difference
MailRush.io is Cold email software that automates outreach and multi-step follow-ups from your own SMTP/IMAP mailboxes or MailRush-provided sending accounts. Email warmup and email validation are included in every plan.
Salestools is AI SDR platform where agents prospect, research and book meetings across email and LinkedIn on top of a 400M+ contact database, with unlimited mailboxes and warmup, LinkedIn automation and an AutoPilot AI SDR included in every seat, and two-way Salesforce and HubSpot sync.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Starter
MailRush.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $19/mo | Up to 1,000 contacts | Up to 5,000 emails per month; up to 1,000 emails per day |
| Pro | $39/mo | Up to 30,000 contacts | Up to 10,000 emails per month; up to 1,500 emails per day |
| Scale | $99/mo | Up to 50,000 contacts | Up to 25,000 emails per month; up to 3,000 emails per day |
Source: MailRush.io Pricing
Salestools Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $79/mo | Per seat; up to 3 seats; 1,000 data credits / seat / mo; 1 LinkedIn account / seat | Unlimited email sending (fair use); unlimited mailboxes & warmup |
| Growth | $129/mo | Per seat; up to 10 seats; 3,000 data credits / seat / mo; AutoPilot AI SDR with 300 managed prospects / seat | Unlimited email sending (fair use); unlimited mailboxes & warmup |
| Scale | $199/mo | Per seat; up to 25 seats; 10,000 data credits / seat / mo; AutoPilot with 1,000 managed prospects / seat; 3 LinkedIn accounts / seat | Unlimited email sending (fair use); unlimited mailboxes & warmup |
| Enterprise | Contact Sales | Unlimited seats; custom data credits and LinkedIn accounts | Dedicated infra and SLA |
Source: Salestools Pricing
Pricing Analysis
MailRush.io is more affordable at the entry level ($19/mo vs $79/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.
Salestools offers 4 pricing tiers compared to MailRush.io's 3, giving you more granularity as you scale.
Features Breakdown
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- and 5 more listed below
- AI Sales Agents
- Prospector
- Unlimited mailboxes & warmup, free
- LinkedIn automation
- AutoPilot AI SDR
- CoPilot mode
- and 3 more listed below
MailRush.io Key Features
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
Salestools Key Features
- AI Sales Agents
- Prospector
- Unlimited mailboxes & warmup, free
- LinkedIn automation
- AutoPilot AI SDR
- CoPilot mode
- Autonomous replies & meeting booking
- API, webhooks & deliverability monitoring
- Every buying signal
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 MailRush.io
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
Listed only by Salestools
- AI Sales Agents
- Prospector
- Unlimited mailboxes & warmup, free
- LinkedIn automation
- AutoPilot AI SDR
- CoPilot mode
- Autonomous replies & meeting booking
- API, webhooks & deliverability monitoring
- Every buying signal
Integration Ecosystem
MailRush.io Integrations
MailRush.io connects with: SMTP, IMAP, Zapier, Webhooks.
Salestools Integrations
Salestools connects with: Salesforce, HubSpot, Clay, Slack, Gmail, LinkedIn.
Integrations listed only by MailRush.io: SMTP, IMAP, Zapier, Webhooks.
Integrations listed only by Salestools: Salesforce, HubSpot, Clay, Slack, Gmail, LinkedIn.
Use Case Recommendations
Best Fit for MailRush.io
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (11 capabilities listed)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Best Fit for Salestools
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Feature Comparison Summary
| Feature | MailRush.io | Salestools |
|---|---|---|
| Starting Price | $19/mo | $79/mo |
| Top Tier Price | $99/mo | Contact Sales |
| Total Features Listed | 11 | 9 |
| Integrations | 4 | 6 |
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
MailRush.io serves the cold email outreach side of an outbound stack and Salestools the multi-channel sales outreach and engagement tracking side. MailRush.io offers a more accessible entry point at $19/mo, while Salestools starts at $79/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 MailRush.io and Salestools 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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