Tool Comparisons

    Warmup Inbox vs Warmy: Email Warmup Tool Comparison

    Compare Warmup Inbox and Warmy side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.

    Editorial illustration for Warmup Inbox vs Warmy
    August 31, 2026Updated September 2, 20265 min read
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    The short answer

    Warmup Inbox and Warmy are both email warmup tools, but they differ on pricing transparency and feature scope. Warmup Inbox publishes a $19/mo entry plan with four tiers and warms inboxes through a network of more than 30,000 real mailboxes. Warmy uses custom, contact-sales pricing across three tiers and adds AI-driven automation, seed lists, and Google Postmaster integration.

    Key takeaways

    • Warmup Inbox's entry plan costs $19/mo and includes 75 warmup messages per day, scaling to $59/mo for 250/day and $99/mo for 1,000/day.
    • Warmup Inbox exchanges email with a network of more than 30,000 real inboxes to build sender reputation.
    • Warmy uses contact-sales, volume-based pricing across three tiers: B2B sender, B2C sender, and Custom plan.
    • Warmup Inbox lists 9 features and 8 integrations, including Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, and Sendinblue (Brevo).
    • Warmy lists 8 features and 6 integrations, including Google Postmaster Integration, email verification, and a dedicated deliverability expert.

    Reviewed and updated September 2, 2026

    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

    Pricing panels: Pricing Comparison (Warmup Inbox, Warmy, Basic, B2B sender)

    $19/moWarmup Inbox entry plan

    Basic

    Contact SalesWarmy entry plan

    B2B sender

    Entry pricing for Warmup Inbox and Warmy, as published on each vendor's own pricing page.

    Warmup Inbox Pricing (as of September 2026)

    PlanPriceContactsEmails
    Basic$19/moper inbox75 warmup messages/day
    Pro$59/moper inbox250 warmup messages/day
    Max$99/moper inbox1,000 warmup messages/day
    For agencies & teamsContact SalesCustom plans starting at 15 inboxescustom

    Source: Warmup Inbox Pricing

    Warmy Pricing (as of September 2026)

    PlanPriceContactsEmails
    B2B senderContact SalesReach BusinessesVolume-based pricing
    B2C senderContact SalesReach ConsumersVolume-based pricing
    Custom planContact SalesCustom SolutionVolume-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.

    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
    What Warmup Inbox and Warmy each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    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

    Integration schematic: Integration Ecosystem (Warmup Inbox, Warmy, Gmail Workspace, Google Workspace)

    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

    FeatureWarmup InboxWarmy
    Starting Price$19/moContact Sales
    Top Tier PriceContact SalesContact Sales
    Total Features Listed98
    Integrations86

    Getting Started Checklist

    Step sequence: Getting Started Checklist (Define email domain, Estimate expected warmup, List integrations, Sign up)

    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.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Warmup Inbox and Warmy?
    Warmup Inbox is an email warmup service built around a network of more than 30,000 real inboxes, also offering cold email sequences, language warmup, ESP warmup, and IP warmup from one dashboard. Warmy is an automated email deliverability tool using AI-driven automation, seed lists, Google Postmaster integration, and email verification in the same platform.
    How much does Warmup Inbox cost compared to Warmy?
    Warmup Inbox publishes an entry price of $19/mo for its Basic plan, with Pro at $59/mo and Max at $99/mo. Warmy does not publish list pricing and instead uses custom, contact-sales pricing across its B2B sender, B2C sender, and Custom plan tiers, so the two cannot be compared on list price.
    Which integrations does each tool support?
    Warmup Inbox connects with Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), and any inbox with SMTP, totaling 8 integrations. Warmy connects with Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, and Google Postmaster, totaling 6 integrations.
    Which tool is better for a budget-conscious team?
    Warmup Inbox is positioned as the better fit for budget-conscious teams, since it publishes a $19/mo entry price and offers a wide feature set of 9 capabilities plus broad integration support across 8 platforms. Warmy relies on custom, contact-sales pricing, which suits enterprise buyers who want dedicated support instead of a fixed list price.
    Who is Warmy best suited for?
    Warmy is best suited for enterprise buyers who prefer custom pricing and dedicated support, teams launching new email domains, organizations recovering from deliverability issues, and agencies managing warmup across multiple client domains. It includes a dedicated deliverability expert and a deliverability monitor as part of its feature set.
    Warmup InboxWarmyEmail Warmup ToolComparisonemail-warmup
    Byline

    About the author.

    Tim Carden

    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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