Tool Comparisons

    Warmbox vs Warmy: Email Warmup Tool Comparison

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

    Editorial illustration for Warmbox vs Warmy
    September 2, 2026Updated September 2, 20265 min read
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    The short answer

    Warmbox is a lower-cost, AI-powered email warmup tool with published tiered pricing starting at $19 per month, while Warmy is a deliverability platform that uses custom, contact-based pricing and adds seed lists, Google Postmaster integration, and email verification. Choose Warmbox for transparent pricing and broad integrations, and Warmy for custom deliverability support.

    Key takeaways

    • Warmbox's Solo plan costs $19 per month for 1 inbox warm-up and 50 emails per day, while Warmy uses custom, contact-based pricing for every tier.
    • Warmbox offers 4 pricing tiers (Solo, Start-up, Growth, Enterprise), compared to Warmy's 3 tiers (B2B sender, B2C sender, Custom plan).
    • Warmbox lists 8 integrations including Amazon SES, SMTP, and Zoho Mail, while Warmy lists 6 integrations including Google Postmaster.
    • Both tools share integrations with Gmail, Google Workspace, Outlook, and Microsoft 365.
    • Warmy lists features such as Email Seed List, Google Postmaster Integration, Email Verification, and a dedicated deliverability expert that do not appear on Warmbox's published feature list.

    Reviewed and updated September 2, 2026

    Warmbox vs Warmy: Email Warmup Tool Comparison

    Warmbox 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, Warmbox lists automated email warmup with ai-powered interactions and customizable warmup recipes and strategies, 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.

    Warmbox 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

    Warmbox is AI-powered email warmup tool that automates inbox warming with customizable recipes, spam score monitoring, and detailed analytics dashboards to improve cold email deliverability.

    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 (Warmbox, Warmy, Solo, B2B sender)

    $19/moWarmbox entry plan

    Solo

    Contact SalesWarmy entry plan

    B2B sender

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

    Warmbox Pricing (as of September 2026)

    PlanPriceContactsEmails
    Solo$19/mo1 inbox warm-up; 1 team member50 emails/day
    Start-up$79/mo3 inbox warm-up; 3 team members250 emails/day
    Growth$159/mo6 inbox warm-up500 emails/day
    EnterpriseContact Salescustomcustom

    Source: Warmbox 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.

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

    Features Breakdown

    Warmbox lists
    • Automated email warmup with AI-powered interactions
    • Customizable warmup recipes and strategies
    • Spam score monitoring and blacklist checks
    • Real-time analytics and reporting dashboard
    • DNS checker (SPF, DKIM, DMARC)
    • Multi-inbox support within a single account
    • and 2 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 Warmbox 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.

    Warmbox Key Features

    • Automated email warmup with AI-powered interactions
    • Customizable warmup recipes and strategies
    • Spam score monitoring and blacklist checks
    • Real-time analytics and reporting dashboard
    • DNS checker (SPF, DKIM, DMARC)
    • Multi-inbox support within a single account
    • Auto-reply, open, and favorite marking simulation
    • Team collaboration with per-plan member limits

    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 Warmbox

    • Automated email warmup with AI-powered interactions
    • Customizable warmup recipes and strategies
    • Spam score monitoring and blacklist checks
    • Real-time analytics and reporting dashboard
    • DNS checker (SPF, DKIM, DMARC)
    • Multi-inbox support within a single account
    • Auto-reply, open, and favorite marking simulation
    • Team collaboration with per-plan member limits

    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 grid: Integration Ecosystem (Warmbox, Warmy, Gmail, Google Workspace)

    Warmbox Integrations

    Warmbox connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo Mail, Amazon SES, SMTP, Zoho Mail.

    Warmy Integrations

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

    Shared Integrations

    Both tools integrate with: Gmail, Google Workspace, Outlook, Microsoft 365.

    Integrations listed only by Warmbox: Yahoo Mail, Amazon SES, SMTP, Zoho Mail.

    Integrations listed only by Warmy: Yahoo, Google Postmaster.

    Use Case Recommendations

    Best Fit for Warmbox

    • Budget-conscious teams looking for an affordable email warmup tool
    • 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

    FeatureWarmboxWarmy
    Starting Price$19/moContact Sales
    Top Tier PriceContact SalesContact Sales
    Total Features Listed88
    Integrations86

    Getting Started Checklist

    Before-and-after steps: 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

    Warmbox and Warmy both serve the email domain warming and deliverability market. Warmbox 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 Warmbox and Warmy for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    How much does Warmbox cost compared to Warmy?
    Warmbox publishes tiered pricing starting at $19 per month for its Solo plan, which includes 1 inbox warm-up and 50 emails per day. Warmy does not publish list prices and instead uses custom, contact-based pricing across its B2B sender, B2C sender, and Custom plan tiers.
    What integrations does Warmbox support that Warmy doesn't?
    Warmbox lists integrations with Yahoo Mail, Amazon SES, SMTP, and Zoho Mail that do not appear on Warmy's published integration list. Both tools separately integrate with Gmail, Google Workspace, Outlook, and Microsoft 365.
    What features does Warmy offer that Warmbox doesn't list?
    Warmy lists Email Seed List, Google Postmaster Integration, Email Verification, Warmy API, a deliverability monitor, and a dedicated deliverability expert, none of which appear on Warmbox's published feature list.
    Which tool is better for budget-conscious teams?
    Warmbox is positioned as the better fit for budget-conscious teams because it publishes a transparent entry price of $19 per month. Warmy requires contacting sales for a custom quote on every plan tier, so its cost is not comparable on list price alone.
    Does Warmbox or Warmy have more pricing tiers?
    Warmbox offers 4 pricing tiers, Solo, Start-up, Growth, and Enterprise, while Warmy offers 3 tiers, B2B sender, B2C sender, and Custom plan. Most of Warmy's tiers and Warmbox's Enterprise tier use contact-based custom pricing rather than published rates.
    WarmboxWarmyEmail 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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