Inboxy vs Warmup Inbox: Email Warmup Tool Comparison
Compare Inboxy and Warmup Inbox side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Warmup Inbox is the lower cost entry option at $19 per month with four pricing tiers, while Inboxy starts at $47 per month with a single plan. Inboxy runs warmup through headless browsers with AI adjustments, while Warmup Inbox exchanges email across more than 30,000 real inboxes and adds cold email sequencing, language warmup, and ESP warmup from one dashboard.
Key takeaways
- Inboxy's entry plan, Inboxy Pro, costs $47/mo and includes Gmail and Office 365 inboxes with 120 daily emails per inbox.
- Warmup Inbox's Basic plan costs $19/mo for 75 warmup messages per day, with Pro at $59/mo for 250 messages and Max at $99/mo for 1,000 messages.
- Warmup Inbox offers four pricing tiers compared to Inboxy's one, giving more granularity for scaling teams.
- Warmup Inbox uses a network of more than 30,000 real inboxes to exchange natural looking email and build sender reputation.
- Both tools share integrations with Mailgun and Sendgrid, while Inboxy separately connects with GoDaddy and Inboxroad and Warmup Inbox separately connects with Zoho Mail and Amazon SES.
Reviewed and updated September 2, 2026
Inboxy vs Warmup Inbox: Email Warmup Tool Comparison
Sales teams evaluating email domain warming and deliverability tools often narrow their shortlist to Inboxy and Warmup Inbox. Both target the same job, but they cater to different workflows and budgets. This comparison covers pricing, features, and integrations so you can pick the right fit.
The Quick Answer
By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, while Warmup Inbox lists email warmup and cold email sequence. A capability both offer can appear under different names, so read both feature lists below.
Warmup Inbox offers a lower entry point at $19/mo compared to Inboxy at $47/mo.
If your priority is building sender reputation and improving inbox placement, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
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.
Warmup Inbox is Email warmup service that exchanges natural-looking email with a network of more than 30,000 real inboxes to build sender reputation automatically. Also offers cold email sequences, language warmup, ESP warmup and IP warmup from the same dashboard.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Basic
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
Warmup Inbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | $19/mo | per inbox | 75 warmup messages/day |
| Pro | $59/mo | per inbox | 250 warmup messages/day |
| Max | $99/mo | per inbox | 1,000 warmup messages/day |
| For agencies & teams | Contact Sales | Custom plans starting at 15 inboxes | custom |
Source: Warmup Inbox Pricing
Pricing Analysis
Warmup Inbox offers the lower entry point ($19/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmup Inbox offers 4 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
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
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- and 3 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
Warmup Inbox Key Features
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- Email reputation Check
- Human-like AI generated content
- Developers API
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 Warmup Inbox
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- Email reputation Check
- Human-like AI generated content
- Developers API
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Warmup Inbox Integrations
Warmup Inbox connects with: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.
Shared Integrations
Both tools integrate with: Mailgun, Sendgrid.
Integrations listed only by Inboxy: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), GoDaddy, Inboxroad, Custom SMTP.
Integrations listed only by Warmup Inbox: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Sendinblue (Brevo), Any inbox with SMTP.
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for Warmup Inbox
- Budget-conscious teams looking for an affordable email warmup tool
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Feature Comparison Summary
| Feature | Inboxy | Warmup Inbox |
|---|---|---|
| Starting Price | $47/mo | $19/mo |
| Top Tier Price | $47/mo | Contact Sales |
| Total Features Listed | 9 | 9 |
| Integrations | 9 | 8 |
Getting Started Checklist
- Define your email domain warming and deliverability requirements and monthly budget
- Estimate your expected warmup email 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 and Warmup Inbox both serve the email domain warming and deliverability market. Warmup Inbox offers a more accessible entry point at $19/mo, 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 Warmup Inbox for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Inboxy or Warmup Inbox?
- Warmup Inbox is cheaper at the entry level, starting at $19/mo compared to Inboxy's $47/mo Pro plan. Warmup Inbox also offers more pricing tiers, including Pro at $59/mo and Max at $99/mo, plus a custom agency plan starting at 15 inboxes.
- What is the main difference between Inboxy and Warmup Inbox?
- Inboxy improves deliverability by gradually increasing sending volume through a private network of headless browsers with AI driven adjustments. Warmup Inbox exchanges natural looking email with a network of more than 30,000 real inboxes and also offers cold email sequences, language warmup, ESP warmup, and IP warmup from the same dashboard.
- Does Inboxy or Warmup Inbox have more integrations?
- Inboxy lists nine integrations including Personal Gmail, Google Workspace, GoDaddy, and Inboxroad, while Warmup Inbox lists eight including Zoho Mail, Amazon SES, and Sendinblue (Brevo). Both tools share integrations with Mailgun and Sendgrid.
- Which tool is better for enterprise or agency use?
- Warmup Inbox is positioned as the better fit for enterprise buyers who prefer custom pricing and dedicated support, offering a custom plan for agencies and teams starting at 15 inboxes. Inboxy is better suited to organizations with complex tech stacks needing broad integration support.
- Which tool is best for teams launching a new email domain?
- Both Inboxy and Warmup Inbox are recommended for teams launching new email domains for outreach, as well as organizations recovering from deliverability issues. The choice between them depends on budget, since Warmup Inbox starts at $19/mo versus Inboxy's $47/mo, and on which specific features each team needs.
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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