Warmup Inbox vs Warmy: Email Warmup Tool Comparison

Warmup Inbox vs Warmy: Email Warmup Tool Comparison

Warmup Inbox and Warmy 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, Warmup Inbox lists email warmup and cold email sequence, 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.

Warmup Inbox publishes an entry price of $19/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

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.

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

$19/moWarmup Inbox entry plan

Basic

Contact SalesWarmy entry plan

B2B sender

Warmup Inbox Pricing (as of September 2026)

Source: Warmup Inbox Pricing

Warmy Pricing (as of September 2026)

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.

Warmup Inbox offers 4 pricing tiers compared to Warmy's 3, giving you more granularity as you scale.

Features Breakdown

Warmup Inbox lists

• Email warmup
• Cold email sequence
• Language warmup
• ESP warmup tool
• IP warmup
• Spam & Category monitoring
• and 3 more listed below

Warmy lists

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• and 2 more listed below

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

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 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

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

Warmup Inbox Integrations

Warmup Inbox connects with: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.

Warmy Integrations

Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.

Integrations listed only by Warmup Inbox: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.

Integrations listed only by Warmy: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.

Use Case Recommendations

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

Best Fit for Warmy

• 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

Getting Started Checklist

1. Define your email domain warming and deliverability requirements and monthly budget
2. Estimate your expected warmup email volume to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Warmup Inbox and Warmy both serve the email domain warming and deliverability market. Warmup Inbox publishes an entry price of $19/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 Warmup Inbox and Warmy for current information.