MailToaster vs Warmup Inbox: Email Warmup Tool Comparison
Compare MailToaster and Warmup Inbox side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
MailToaster and Warmup Inbox are both email warmup tools, but they differ on pricing and integrations. MailToaster costs $29 per month with a single plan, while Warmup Inbox starts at $19 per month with four tiers up to $99 per month. Warmup Inbox also connects with more ESPs, including Amazon SES, Mailgun, and SendGrid.
Key takeaways
- MailToaster's only published plan, Email Warm-up, costs $29 per month per email account.
- Warmup Inbox offers four pricing tiers: Basic at $19 per month, Pro at $59 per month, Max at $99 per month, and a custom agency plan starting at 15 inboxes.
- Warmup Inbox's Basic plan sends 75 warmup messages per day, Pro sends 250, and Max sends 1,000.
- Warmup Inbox describes its network as more than 30,000 real inboxes, while MailToaster describes its network only as a trusted network of real inboxes.
- MailToaster integrates with Gmail, GSuite, and Outlook, while Warmup Inbox also connects with Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue, and any SMTP inbox.
Reviewed and updated September 2, 2026
MailToaster vs Warmup Inbox: Email Warmup Tool Comparison
MailToaster and Warmup Inbox are both email warmup tools. Choosing between them depends on your team size, budget, and specific email domain warming and deliverability requirements. Here is what each vendor publishes about pricing, features, and integrations.
The Quick Answer
By each vendor's own wording, MailToaster lists 100% automated email warm-up process and trusted network of real inboxes for extra security, 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 MailToaster at $29/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
MailToaster is Automated email warm-up service that builds, maintains and repairs sender reputation using peer-to-peer sending across a network of real inboxes. Warm-up profiles let you choose whether to build, maintain or repair reputation, and the system opens, replies to and removes messages from spam on your behalf.
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
Email Warm-up
Basic
MailToaster Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm-up | $29/mo | Email account / month | Not published; volume is managed by the warm-up profile |
Source: MailToaster 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 $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmup Inbox offers 4 pricing tiers compared to MailToaster's 1, giving you more granularity as you scale.
Features Breakdown
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- and 2 more listed below
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- and 3 more listed below
MailToaster Key Features
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
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 MailToaster
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
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
MailToaster Integrations
MailToaster connects with: Gmail, GSuite, Outlook.
Warmup Inbox Integrations
Warmup Inbox connects with: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.
Integrations listed only by MailToaster: Gmail, GSuite, Outlook.
Integrations listed only by Warmup Inbox: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.
Use Case Recommendations
Best Fit for MailToaster
- 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 Warmup Inbox
- Budget-conscious teams looking for an affordable email warmup tool
- Teams that need a wide feature set (9 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | MailToaster | Warmup Inbox |
|---|---|---|
| Starting Price | $29/mo | $19/mo |
| Top Tier Price | $29/mo | Contact Sales |
| Total Features Listed | 8 | 9 |
| Integrations | 3 | 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
MailToaster and Warmup Inbox both serve the email domain warming and deliverability market. Warmup Inbox offers a more accessible entry point at $19/mo, while MailToaster 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 MailToaster and Warmup Inbox for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, MailToaster or Warmup Inbox?
- Warmup Inbox has the lower entry price at $19 per month for its Basic plan, compared to MailToaster's single Email Warm-up plan at $29 per month. Warmup Inbox also offers higher tiers at $59 per month and $99 per month for teams that need more daily warmup messages.
- What features does MailToaster offer that Warmup Inbox doesn't list?
- MailToaster lists features such as a 100% automated email warm-up process, a trusted network of real inboxes for extra security, multiple warm-up profiles, filtering for warm-up emails in your inbox, auto-generated templates, and detailed progress reports. These are listed only under MailToaster's own feature page wording.
- What integrations does Warmup Inbox support that MailToaster doesn't?
- Warmup Inbox connects with Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), and any inbox with SMTP, in addition to Gmail and Outlook. MailToaster's published integrations are limited to Gmail, GSuite, and Outlook.
- How many warmup messages per day does Warmup Inbox send?
- Warmup Inbox sends 75 warmup messages per day on its Basic plan, 250 per day on its Pro plan, and 1,000 per day on its Max plan. MailToaster does not publish a specific daily email volume, since its warm-up profiles manage volume instead.
- Who is Warmup Inbox best suited for?
- The article lists budget-conscious teams as a best fit for Warmup Inbox, similar to MailToaster's use case recommendations. Both tools target teams focused on affordability alongside sender reputation and deliverability goals.
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.
Growbots vs MailHeat: Cold Email Platform vs Email Warmup Tool Comparison
Compare Growbots (cold email platform) and MailHeat (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Apollo.io vs Proofy: Data Enrichment Tool Comparison
Compare Apollo.io and Proofy side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
AroundDeal vs Leadspicker: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare AroundDeal (data enrichment tool) and Leadspicker (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AroundDeal vs Salesflare: Data Enrichment Tool vs CRM Platform Comparison
Compare AroundDeal (data enrichment tool) and Salesflare (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
GetSales.io vs Yet Another Mail Merge: Sales Engagement Platform vs Cold Email Platform Comparison
Compare GetSales.io (sales engagement platform) and Yet Another Mail Merge (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Gong vs NeverBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison
Gong vs NeverBounce: what Gong's own pages say about enrichment, what NeverBounce's API returns about an address, and how each vendor prices.