Inbox Warmup vs Warmy: Email Warmup Tool Comparison
Compare Inbox Warmup and Warmy side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Compare Inbox Warmup and Warmy side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Reviewed and updated September 4, 2026
Inbox Warmup vs Warmy: Email Warmup Tool Comparison
Inbox Warmup and Warmy compete head-to-head in the email domain warming and deliverability space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
By each vendor's own wording, Inbox Warmup lists smtp diagnostics and dns authentication, while Warmy lists email warm-up and email seed list. A capability both offer can appear under different names, so read both feature lists below.
Inbox Warmup publishes an entry price of $39/mo; Warmy uses custom pricing, so the two cannot be compared on list price.
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
Inbox Warmup is Inbox warm-up and sender reputation platform that connects SMTP infrastructure, authenticates sending domains (SPF, DKIM, DMARC), increases activity gradually, monitors reputation signals and enforces hourly and monthly sending limits from one dashboard.
Warmy is Automated email deliverability tool that warms up domains and IPs with AI-driven automation and a network of business or consumer mailboxes. Adds Google Postmaster integration, seed lists, deliverability insights and email verification in the same platform.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Launch
B2B sender
Inbox Warmup Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Launch | $39/mo | Not published per mailbox; plans are sized by credits | 5,000 credits and 75 emails/hour |
| Growth | $99/mo | Not published per mailbox; plans are sized by credits | 20,000 credits and 200 emails/hour |
| Professional | $199/mo | Not published per mailbox; plans are sized by credits | 100,000 credits and 500 emails/hour |
| Agency | Contact Sales | Custom credits | Custom credits and support through live chat |
Source: Inbox Warmup Pricing
Warmy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| B2B sender | Contact Sales | Reach Businesses | Volume-based pricing |
| B2C sender | Contact Sales | Reach Consumers | Volume-based pricing |
| Custom plan | Contact Sales | Custom Solution | Volume-based pricing |
Source: Warmy Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
Inbox Warmup offers 4 pricing tiers compared to Warmy's 3, giving you more granularity as you scale.
Features Breakdown
- SMTP diagnostics
- DNS authentication
- Smart warmup
- Reputation Center
- Campaign controls
- Admin-managed SMTP
- and 1 more listed below
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- and 2 more listed below
Inbox Warmup Key Features
- SMTP diagnostics
- DNS authentication
- Smart warmup
- Reputation Center
- Campaign controls
- Admin-managed SMTP
- Free Tools
Warmy Key Features
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- Deliverability monitor
- Dedicated deliverability expert
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 Inbox Warmup
- SMTP diagnostics
- DNS authentication
- Smart warmup
- Reputation Center
- Campaign controls
- Admin-managed SMTP
- Free Tools
Listed only by Warmy
- Email Warm-Up
- Email Seed List
- Deliverability Insights
- Google Postmaster Integration
- Email Verification
- Warmy API
- Deliverability monitor
- Dedicated deliverability expert
Integration Ecosystem
Inbox Warmup Integrations
Inbox Warmup connects with: SMTP.
Warmy Integrations
Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Integrations listed only by Inbox Warmup: SMTP.
Integrations listed only by Warmy: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.
Use Case Recommendations
Best Fit for Inbox Warmup
- 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
Best Fit for Warmy
- Teams that need a wide feature set (8 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Inbox Warmup | Warmy |
|---|---|---|
| Starting Price | $39/mo | Contact Sales |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 7 | 8 |
| Integrations | 1 | 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
Inbox Warmup and Warmy both serve the email domain warming and deliverability market. Inbox Warmup publishes an entry price of $39/mo, while Warmy uses custom pricing for its plans, so compare on features and on the quote you receive. 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 Inbox Warmup and Warmy for current information.
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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