Inboxy vs Mailwarm: Email Warmup Tool Comparison
Compare Inboxy and Mailwarm side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Inboxy and Mailwarm are both email warmup tools, but Inboxy costs $47/mo with one plan while Mailwarm starts at $79/mo across four tiers. Inboxy uses a private network of headless browsers with AI-driven adjustments, while Mailwarm generates engagement through aged real inboxes and includes a deliverability expert on every plan.
Key takeaways
- Inboxy's only listed plan, Inboxy Pro, costs $47/mo and includes 120 daily emails per inbox for Gmail and Office 365.
- Mailwarm offers four pricing tiers: Starter at $79/mo, Growth at $189/mo, Scale at $549/mo, and a Tailored Plan available by contacting sales.
- Mailwarm's Scale plan allows up to 500 warmup emails per day, compared to up to 50 per day on its Starter plan.
- Inboxy lists nine integrations including Personal Gmail, Mailgun, GoDaddy, Inboxroad, and Sendgrid, while Mailwarm lists six including Gmail, Outlook, Microsoft 365, and Yahoo.
- Google Workspace and Custom SMTP are the two integrations shared by both Inboxy and Mailwarm.
Reviewed and updated September 2, 2026
Inboxy vs Mailwarm: Email Warmup Tool Comparison
If you are comparing email domain warming and deliverability tools, Inboxy and Mailwarm will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, while Mailwarm lists b2b & b2c warm up and spam score monitoring. A capability both offer can appear under different names, so read both feature lists below.
Inboxy offers a lower entry point at $47/mo compared to Mailwarm at $79/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.
Mailwarm is Email warmup and deliverability platform that generates engagement across a network of aged real inboxes and includes a deliverability expert on every plan. Each interaction produces several positive signals, such as marking as non-spam, opening, marking as important and replying.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Starter
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
Mailwarm Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $79/mo | 1 mailbox/SMTP to warm; 1 user | Up to 50 warmup emails/day |
| Growth | $189/mo | 3 mailboxes/SMTPs to warm; 2 users | Up to 200 warmup emails/day |
| Scale | $549/mo | 10 mailboxes/SMTPs to warm; 5 users | Up to 500 warmup emails/day |
| Tailored Plan | Contact Sales | unlimited mailboxes, users | unlimited warmup emails, and replies |
Source: Mailwarm Pricing
Pricing Analysis
Inboxy is more affordable at the entry level ($47/mo vs $79/mo). For teams with tight budgets or those just getting started with email domain warming and deliverability, this price difference matters.
Mailwarm 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
- B2B & B2C warm up
- Spam score monitoring
- Provider-Level warmup
- Warmup your email content
- Authentication fix tools
- No IMAP access required
- 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
Mailwarm Key Features
- B2B & B2C warm up
- Spam score monitoring
- Provider-Level warmup
- Warmup your email content
- Authentication fix tools
- No IMAP access required
- Progressive volume ramp-up to avoid spam filters
- SPF, DKIM, and DMARC validation
- Blacklist detection across major databases
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 Mailwarm
- B2B & B2C warm up
- Spam score monitoring
- Provider-Level warmup
- Warmup your email content
- Authentication fix tools
- No IMAP access required
- Progressive volume ramp-up to avoid spam filters
- SPF, DKIM, and DMARC validation
- Blacklist detection across major databases
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Mailwarm Integrations
Mailwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.
Shared Integrations
Both tools integrate with: Google Workspace, Custom SMTP.
Integrations listed only by Inboxy: Personal Gmail, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid.
Integrations listed only by Mailwarm: Gmail, Outlook, Microsoft 365, Yahoo.
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 Mailwarm
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Feature Comparison Summary
| Feature | Inboxy | Mailwarm |
|---|---|---|
| Starting Price | $47/mo | $79/mo |
| Top Tier Price | $47/mo | Contact Sales |
| Total Features Listed | 9 | 9 |
| Integrations | 9 | 6 |
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 Mailwarm both serve the email domain warming and deliverability market. Inboxy offers a more accessible entry point at $47/mo, while Mailwarm 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 Inboxy and Mailwarm for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Inboxy or Mailwarm?
- Inboxy is cheaper at the entry level, priced at $47/mo for its Inboxy Pro plan, compared to Mailwarm's Starter plan at $79/mo. Mailwarm offers additional tiers beyond Starter, including Growth at $189/mo and Scale at $549/mo, plus a Tailored Plan available by contacting sales.
- What is the main difference between how Inboxy and Mailwarm warm up email accounts?
- Inboxy runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics. Mailwarm generates engagement across a network of aged real inboxes and includes a deliverability expert on every plan, with each interaction producing signals like marking as non-spam, opening, marking as important, and replying.
- Does Mailwarm offer more pricing flexibility than Inboxy?
- Yes, Mailwarm offers four pricing tiers, Starter, Growth, Scale, and a Tailored Plan, compared to Inboxy's single Pro plan. This gives Mailwarm buyers more granularity as they scale mailboxes and users, while Inboxy keeps a simpler, lower-cost entry point.
- What integrations does each tool support?
- Inboxy connects with nine services including Personal Gmail, Google Workspace, Outlook/Office via SMTP or OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP. Mailwarm connects with six services including Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, and Custom SMTP. Both tools share Google Workspace and Custom SMTP.
- Who is Inboxy best suited for compared to Mailwarm?
- Inboxy fits budget-conscious teams looking for an affordable email warmup tool, organizations with complex tech stacks needing broad integration support across nine integrations, teams launching new email domains for outreach, and organizations recovering from deliverability issues. Mailwarm, by contrast, suits enterprise buyers who prefer custom pricing and dedicated support.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
Boost Inbox vs Inboxy: Email Warmup Tool Comparison
Compare Boost Inbox and Inboxy side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Mailmeteor vs Reply.io: Cold Email Platform Comparison
Compare Mailmeteor and Reply.io side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Emelia vs Manyreach: Cold Email Platform Comparison
Compare Emelia and Manyreach side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
Gong vs Insightly: Sales Engagement Platform vs CRM Platform Comparison
Compare Gong (sales engagement platform) and Insightly (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Emelia vs Salesforge: Cold Email Platform vs Sales Engagement Platform Comparison
Compare Emelia (cold email platform) and Salesforge (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Freshsales vs Salesmate: CRM Platform Comparison
Compare Freshsales and Salesmate side by side. See pricing, features, and integrations to choose the right CRM platform for your needs.