Inboxy vs Mixmax: Email Warmup Tool vs Cold Email Platform Comparison
Compare Inboxy (email warmup tool) and Mixmax (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Inboxy and Mixmax solve different problems, so the choice depends on the task. Inboxy is an email warmup tool focused on domain reputation and deliverability, priced at $47/mo with one plan. Mixmax is a cold email and sales engagement platform starting free, with five pricing tiers up to $105/mo. Many teams use both together.
Key takeaways
- Inboxy's only plan, Inboxy Pro, costs $47/mo and covers Gmail and Office 365 inboxes with 120 daily emails per inbox.
- Mixmax offers a free tier plus four paid tiers ranging from $34/mo to $105/mo, giving it five pricing tiers compared to Inboxy's one.
- Mixmax's free plan allows 50 sequence recipients per month and 20 tracked emails.
- Inboxy lists features such as Domain Score IQ Monitoring, IP Warm Up Service, and Inbox Placement Test, while Mixmax lists AI-powered email sequences, conversation intelligence, and CRM auto-sync.
- Google Workspace is the only integration listed by both Inboxy and Mixmax, while Inboxy also connects to Mailgun and Sendgrid and Mixmax also connects to Salesforce and HubSpot.
Reviewed and updated September 2, 2026
Inboxy vs Mixmax: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Inboxy, an email warmup tool for email domain warming and deliverability, against Mixmax, 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
Inboxy is an email warmup tool for email domain warming and deliverability; Mixmax is a cold email platform for cold email outreach. By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, and Mixmax lists ai-powered email sequences and email tracking and analytics.
Mixmax offers a lower entry point at $0/mo compared to Inboxy at $47/mo.
If your priority is building sender reputation and improving inbox placement, Inboxy is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Mixmax. Many teams run one of each.
Understanding the Core Difference
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
Mixmax is Sales engagement platform for Gmail with AI-powered sequences, email tracking, meeting scheduling, and conversation intelligence.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Free
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy Pricing
Mixmax Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 50 sequence recipients/month | 20 tracked emails |
| Inbox Copilot | $34/mo | N/A | Unlimited tracked emails |
| Meeting Copilot | $34/mo | N/A | 20 tracked emails |
| Engagement Copilot | $65/mo | 1,500 sequence recipients/month | Unlimited |
| Mixmax Suite | $105/mo | 1,500 sequence recipients/month | Unlimited |
Source: Mixmax Pricing
Pricing Analysis
Mixmax offers the lower entry point ($0/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mixmax offers 5 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Mixmax includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 more listed below
- AI-powered email sequences
- Email tracking and analytics
- Meeting scheduling (1-click)
- Conversation intelligence
- Multichannel sequences
- AI email personalization
- and 4 more listed below
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
Mixmax Key Features
- AI-powered email sequences
- Email tracking and analytics
- Meeting scheduling (1-click)
- Conversation intelligence
- Multichannel sequences
- AI email personalization
- Inbox categorization and smart signals
- CRM auto-sync
- Custom branding (add-on)
- Dialer and SMS (add-on)
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 Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
Listed only by Mixmax
- AI-powered email sequences
- Email tracking and analytics
- Meeting scheduling (1-click)
- Conversation intelligence
- Multichannel sequences
- AI email personalization
- Inbox categorization and smart signals
- CRM auto-sync
- Custom branding (add-on)
- Dialer and SMS (add-on)
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Mixmax Integrations
Mixmax connects with: Gmail, Google Workspace, Salesforce, HubSpot, Pipedrive, Slack, Zoom, Calendly, Zapier.
Shared Integrations
Both tools integrate with: Google Workspace.
Integrations listed only by Inboxy: Personal Gmail, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by Mixmax: Gmail, Salesforce, HubSpot, Pipedrive, Slack, Zoom, Calendly, Zapier.
Use Case Recommendations
Best Fit for Inboxy
- 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 Mixmax
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | Inboxy | Mixmax |
|---|---|---|
| Starting Price | $47/mo | Free |
| Top Tier Price | $47/mo | $105/mo |
| Total Features Listed | 9 | 10 |
| Integrations | 9 | 9 |
| Founded | N/A | 2014 |
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
Inboxy serves the email domain warming and deliverability side of an outbound stack and Mixmax the cold email outreach side. Mixmax offers a more accessible entry point, while Inboxy starts at $47/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 Inboxy and Mixmax for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Inboxy and Mixmax?
- Inboxy is an email warmup tool built to improve domain reputation and inbox placement by gradually increasing sending volume, while Mixmax is a cold email and sales engagement platform for Gmail with AI-powered sequences, tracking, and meeting scheduling. They address different stages of outbound email rather than competing directly.
- Which tool is cheaper, Inboxy or Mixmax?
- Mixmax has the lower entry point since it offers a free plan, compared to Inboxy's single paid plan at $47/mo. Mixmax's paid tiers then range up to $105/mo across five pricing tiers, while Inboxy offers just one plan, Inboxy Pro.
- Do Inboxy and Mixmax integrate with the same tools?
- They share only one listed integration, Google Workspace. Inboxy also connects with Personal Gmail, Outlook/Office via SMTP or OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, while Mixmax connects with Gmail, Salesforce, HubSpot, Pipedrive, Slack, Zoom, Calendly, and Zapier.
- Should I use both Inboxy and Mixmax together?
- Yes, the article notes that many teams run one of each. Inboxy is suited for building sender reputation and inbox placement, such as launching new domains or recovering from deliverability issues, while Mixmax is suited for sending campaigns designed to generate replies once deliverability is in good shape.
- Who is Inboxy best suited for?
- Inboxy fits budget-conscious teams looking for an affordable email warmup tool, teams launching new email domains for outreach, organizations recovering from deliverability issues, and agencies managing warmup across multiple client domains, according to the article's use case recommendations.
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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