MailRush.io vs Outplay: Cold Email Platform Comparison
Compare MailRush.io and Outplay side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
MailRush.io fits budget-conscious teams wanting dedicated cold email automation with unlimited senders and unlimited email warming from $19/mo. Outplay fits sales teams wanting multi-channel outreach across email, phone, LinkedIn, SMS, and chat, starting free at $0/mo. Outplay offers five pricing tiers and deeper CRM integrations like Salesforce and HubSpot, while MailRush.io offers three tiers.
Key takeaways
- MailRush.io's Starter plan costs $19/mo and includes up to 1,000 contacts with up to 5,000 emails per month.
- Outplay's Free plan costs $0/mo and includes 2,000 active prospects per month with unlimited emails.
- Outplay offers five pricing tiers, Free, Starter, Growth, Enterprise, and AI SDR, compared to MailRush.io's three tiers, Starter, Pro, and Scale.
- Both platforms list spintax support, while MailRush.io separately lists unlimited senders and unlimited email warming, and Outplay separately lists multi-channel outreach and an AI sequence writer.
- MailRush.io integrates with SMTP, IMAP, Zapier, and Webhooks, while Outplay integrates with Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, and Calendly.
Reviewed and updated September 2, 2026
MailRush.io vs Outplay: Cold Email Platform Comparison
MailRush.io and Outplay 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, MailRush.io lists unlimited senders and unlimited email warming, while Outplay lists multi-channel outreach (email, phone, linkedin, sms, chat) and ai sequence writer. A capability both offer can appear under different names, so read both feature lists below.
Outplay offers a lower entry point at $0/mo compared to MailRush.io at $19/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
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.
Outplay is Multi-channel sales engagement platform with email sequences, dialer, LinkedIn automation, conversation intelligence, and AI SDR capabilities.
Both platforms offer spintax support. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
Starter
Free
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
Outplay Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 2000 Active Prospects per month | Unlimited |
| Starter | $39/mo | 5,000 active prospects/month | Unlimited |
| Growth | $89/mo | Unlimited | Unlimited |
| Enterprise | $139/mo | Unlimited | Unlimited |
| AI SDR | $99/mo | 1,000+ active prospects | Unlimited |
Source: Outplay Pricing
Pricing Analysis
Outplay offers the lower entry point ($0/mo vs $19/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Outplay offers 5 pricing tiers compared to MailRush.io's 3, giving you more granularity as you scale.
Outplay includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Email follow-ups
- and 4 more listed below
- Spintax support
- Multi-channel outreach (email, phone, LinkedIn, SMS, chat)
- AI sequence writer
- Conversation intelligence
- Power dialer with auto voicemail drop
- Website visitor tracking
- A/B testing
- 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
Outplay Key Features
- Multi-channel outreach (email, phone, LinkedIn, SMS, chat)
- AI sequence writer
- Conversation intelligence
- Power dialer with auto voicemail drop
- Website visitor tracking
- A/B testing
- Auto email rotation
- Spintax support
- AI objection handling
- Chrome extension
Shared Capabilities
Both MailRush.io and Outplay include:
- Spintax support
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
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
Listed only by Outplay
- Multi-channel outreach (email, phone, LinkedIn, SMS, chat)
- AI sequence writer
- Conversation intelligence
- Power dialer with auto voicemail drop
- Website visitor tracking
- A/B testing
- Auto email rotation
- AI objection handling
- Chrome extension
Integration Ecosystem
MailRush.io Integrations
MailRush.io connects with: SMTP, IMAP, Zapier, Webhooks.
Outplay Integrations
Outplay connects with: Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, Calendly.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by MailRush.io: SMTP, IMAP, Webhooks.
Integrations listed only by Outplay: Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Slack, Calendly.
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 Outplay
- Budget-conscious teams looking for an affordable cold email platform
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | MailRush.io | Outplay |
|---|---|---|
| Starting Price | $19/mo | Free |
| Top Tier Price | $99/mo | $99/mo |
| Total Features Listed | 11 | 10 |
| Integrations | 4 | 9 |
| Founded | N/A | 2019 |
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
MailRush.io and Outplay both serve the cold email outreach market. Outplay offers a more accessible entry point, while MailRush.io starts at $19/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 Outplay for current information.
Frequently asked questions.
Frequently asked questions- How much does MailRush.io cost compared to Outplay?
- MailRush.io starts at $19/mo for its Starter plan and goes up to $99/mo for the Scale plan. Outplay offers a free entry tier at $0/mo, with paid plans ranging from $39/mo for Starter to $139/mo for Enterprise, plus a $99/mo AI SDR tier.
- What features does MailRush.io offer that Outplay doesn't list?
- MailRush.io lists unlimited senders, unlimited email warming, email validation, API access and webhooks, Zapier integrations, email follow-ups, suppression lists, spam assessment, personalization, and unsubscription automation. None of these appear on Outplay's own published feature list.
- What features does Outplay offer that MailRush.io doesn't list?
- Outplay lists multi-channel outreach across email, phone, LinkedIn, SMS, and chat, an AI sequence writer, conversation intelligence, a power dialer with auto voicemail drop, website visitor tracking, A/B testing, auto email rotation, AI objection handling, and a Chrome extension. None of these appear on MailRush.io's list.
- Which integrations does each platform support?
- MailRush.io connects with SMTP, IMAP, Zapier, and Webhooks. Outplay connects with Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, and Calendly. Zapier is the only integration listed by both platforms.
- Which platform is better for a budget-conscious team?
- Outplay has the lower entry point at $0/mo with a free tier that includes 2,000 active prospects per month, compared to MailRush.io's $19/mo Starter plan. Outplay also offers five pricing tiers versus MailRush.io's three, giving more granularity as needs grow.
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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