Mailivery vs Outplay: Email Warmup Tool vs Cold Email Platform Comparison
Compare Mailivery (email warmup tool) and Outplay (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Mailivery is an email warmup tool for domain warming and deliverability, while Outplay is a cold email platform for multi-channel outreach. Mailivery starts at $29/mo and focuses on inbox placement and sender reputation. Outplay starts free and handles email, phone, LinkedIn, SMS, and chat sequences. Many teams use both together.
Key takeaways
- Mailivery's entry plan costs $29/mo and includes unlimited connected mailboxes with 200 warm-up emails per day shared.
- Outplay's Free plan supports 2,000 active prospects per month with unlimited emails, and its Starter plan is $39/mo for 5,000 active prospects.
- Outplay offers 5 pricing tiers (Free, Starter, Growth, Enterprise, AI SDR) compared to Mailivery's 3 tiers (Starter, Professional, Business).
- Mailivery integrates with Gmail, GSuite, Microsoft 365, SMTP, and SendGrid, while Outplay integrates with Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, and Calendly.
- Gmail is the only integration listed by both Mailivery and Outplay.
Reviewed and updated September 2, 2026
Mailivery vs Outplay: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Mailivery, an email warmup tool for email domain warming and deliverability, against Outplay, a cold email platform for cold email outreach. 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
Mailivery is an email warmup tool for email domain warming and deliverability; Outplay is a cold email platform for cold email outreach. By each vendor's own wording, Mailivery lists email warm up and inbox placement test, and Outplay lists multi-channel outreach (email, phone, linkedin, sms, chat) and ai sequence writer.
Outplay offers a lower entry point at $0/mo compared to Mailivery at $29/mo.
If your priority is building sender reputation and improving inbox placement, Mailivery is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Outplay. Many teams run one of each.
Understanding the Core Difference
Mailivery is Email warm-up and deliverability tool that improves sender reputation by holding real conversations in your inbox through a peer to peer network of active mailboxes. Plans are priced on total daily warm-up volume and allow unlimited connected mailboxes, with inbox placement tests, blacklist monitoring and email verification included.
Outplay is Multi-channel sales engagement platform with email sequences, dialer, LinkedIn automation, conversation intelligence, and AI SDR capabilities.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Free
Mailivery Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED mailboxes | 200 warm-up emails / day (shared) |
| Professional | $79/mo | UNLIMITED mailboxes | 800 warm-up emails / day (shared) |
| Business | $199/mo | UNLIMITED mailboxes | 2,500 warm-up emails / day (shared) |
Source: Mailivery 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 $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Outplay offers 5 pricing tiers compared to Mailivery'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
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- and 3 more listed below
- 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 4 more listed below
Mailivery Key Features
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
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
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 Mailivery
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
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
- Spintax support
- AI objection handling
- Chrome extension
Integration Ecosystem
Mailivery Integrations
Mailivery connects with: Gmail, GSuite, Microsoft 365, SMTP, SendGrid.
Outplay Integrations
Outplay connects with: Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, Calendly.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by Mailivery: GSuite, Microsoft 365, SMTP, SendGrid.
Integrations listed only by Outplay: Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Outlook, Zapier, Slack, Calendly.
Use Case Recommendations
Best Fit for Mailivery
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Best Fit for Outplay
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- 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 | Mailivery | Outplay |
|---|---|---|
| Starting Price | $29/mo | Free |
| Top Tier Price | $199/mo | $99/mo |
| Total Features Listed | 9 | 10 |
| Integrations | 5 | 9 |
| Founded | N/A | 2019 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume 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
Mailivery serves the email domain warming and deliverability side of an outbound stack and Outplay the cold email outreach side. Outplay offers a more accessible entry point, while Mailivery starts at $29/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 Mailivery and Outplay for current information.
Frequently asked questions.
Frequently asked questions- What is the difference between Mailivery and Outplay?
- Mailivery is an email warmup tool focused on email domain warming and deliverability, listing features like email warm up and inbox placement tests. Outplay is a cold email platform for multi-channel outreach, listing features like AI sequence writer and outreach across email, phone, LinkedIn, SMS, and chat. They cover different parts of the outbound workflow.
- Which is cheaper, Mailivery or Outplay?
- Outplay has the lower entry point at $0/mo with its Free plan, while Mailivery's Starter plan costs $29/mo. Outplay also offers 5 pricing tiers total (Free, Starter, Growth, Enterprise, AI SDR) versus Mailivery's 3 tiers (Starter, Professional, Business), giving more granularity as needs scale.
- Can Mailivery and Outplay be used together?
- Yes, the article notes that many teams run one of each. Mailivery handles sender reputation and inbox placement through email warm-up, while Outplay handles sending campaigns and generating replies, so they can complement each other in an outbound stack.
- What integrations does Mailivery support?
- Mailivery connects with Gmail, GSuite, Microsoft 365, SMTP, and SendGrid. Of these, Gmail is the only integration also listed by Outplay, while GSuite, Microsoft 365, SMTP, and SendGrid are listed only by Mailivery.
- What integrations does Outplay support?
- Outplay connects with Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Gmail, Outlook, Zapier, Slack, and Calendly. Gmail is shared with Mailivery, while Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Outlook, Zapier, Slack, and Calendly are listed only by Outplay.
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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