Tool Comparisons

    Boost Inbox vs Inboxy: Email Warmup Tool Comparison

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

    Editorial illustration for Boost Inbox vs Inboxy
    September 1, 2026Updated September 2, 20265 min read
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    The short answer

    Boost Inbox and Inboxy are both email warmup tools for building sender reputation, but they differ sharply on price and scope. Boost Inbox starts at $5/mo with 3 pricing tiers and 6 integrations, while Inboxy starts at $47/mo with a single plan, 9 listed features, and 9 integrations, making Boost Inbox the budget pick and Inboxy the broader feature set.

    Key takeaways

    • Boost Inbox's entry plan costs $5/mo, compared to Inboxy's single Pro plan at $47/mo.
    • Boost Inbox offers 3 pricing tiers (Starter, Team, Premium) ranging from $5/mo to $19/mo, while Inboxy offers only 1 plan.
    • Boost Inbox lists 8 features on its site, while Inboxy lists 9, including AI Generated Emails using GPT-3.
    • Inboxy integrates with 9 platforms including Mailgun, GoDaddy, Inboxroad, and Sendgrid, while Boost Inbox integrates with 6 including Gmail, GSuite, and Amazon SES.
    • Boost Inbox's Starter plan supports 1 mailbox with 50 daily positive engagement emails, while Inboxy's Pro plan supports Gmail and Office 365 inboxes with 120 daily emails per inbox.

    Reviewed and updated September 2, 2026

    Boost Inbox vs Inboxy: Email Warmup Tool Comparison

    If you are comparing email domain warming and deliverability tools, Boost Inbox and Inboxy will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.

    The Quick Answer

    By each vendor's own wording, Boost Inbox lists email warmup and fully automated, while Inboxy lists primary inbox supercharger and domain score iq monitoring. A capability both offer can appear under different names, so read both feature lists below.

    Boost Inbox offers a lower entry point at $5/mo compared to Inboxy at $47/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

    Boost Inbox is Email warmup service that gradually increases sending activity to build trust with email providers. It sends realistic emails from your inbox on a daily basis, keeps them out of spam, opens and bookmarks them, and replies to a portion of them to generate positive interactions.

    Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    $5/moBoost Inbox entry plan

    Starter

    $47/moInboxy entry plan

    Inboxy Pro

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

    Boost Inbox Pricing (as of September 2026)

    PlanPriceContactsEmails
    Starter$5/mo1 Mailbox For Warmup50 Daily Positive Engagement
    Team$9/mo3 Mailboxes For Warmup50 Daily Positive Engagement per mailbox
    Premium$19/mo8 Mailboxes For Warmup50 Daily Positive Engagement per mailbox

    Source: Boost Inbox Pricing

    Inboxy Pricing (as of September 2026)

    PlanPriceContactsEmails
    Inboxy Pro$47/moGmail and Office 365 Inboxes120 Daily Emails Per Inbox

    Source: Inboxy Pricing

    Pricing Analysis

    Boost Inbox is more affordable at the entry level ($5/mo vs $47/mo). For teams with tight budgets or those just getting started with email domain warming and deliverability, this price difference matters.

    Boost Inbox offers 3 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.

    Features Breakdown

    Boost Inbox lists
    • Email Warmup
    • Fully Automated
    • Status Reports
    • Human Review
    • Premium Support
    • Realistic emails sent from your inbox daily
    • and 2 more listed below
    Inboxy lists
    • Primary Inbox Supercharger
    • Domain Score IQ Monitoring
    • AI Powered Inbox Adjustments
    • Dynamic Email Scheduling
    • Live Inbox Engagement Feed
    • AI Generated Emails (GPT-3)
    • and 3 more listed below
    What Boost Inbox and Inboxy 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.

    Boost Inbox Key Features

    • Email Warmup
    • Fully Automated
    • Status Reports
    • Human Review
    • Premium Support
    • Realistic emails sent from your inbox daily
    • Email health checker tool
    • Inbox reputation analytics

    Inboxy Key Features

    • Primary Inbox Supercharger
    • Domain Score IQ Monitoring
    • AI Powered Inbox Adjustments
    • Dynamic Email Scheduling
    • Live Inbox Engagement Feed
    • AI Generated Emails (GPT-3)
    • IP Warm Up Service
    • SMTP Warm Up Service
    • Inbox Placement Test

    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 Boost Inbox

    • Email Warmup
    • Fully Automated
    • Status Reports
    • Human Review
    • Premium Support
    • Realistic emails sent from your inbox daily
    • Email health checker tool
    • Inbox reputation analytics

    Listed only by Inboxy

    • Primary Inbox Supercharger
    • Domain Score IQ Monitoring
    • AI Powered Inbox Adjustments
    • Dynamic Email Scheduling
    • Live Inbox Engagement Feed
    • AI Generated Emails (GPT-3)
    • IP Warm Up Service
    • SMTP Warm Up Service
    • Inbox Placement Test

    Integration Ecosystem

    Boost Inbox Integrations

    Boost Inbox connects with: Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.

    Inboxy Integrations

    Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.

    Integrations listed only by Boost Inbox: Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.

    Integrations listed only by Inboxy: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.

    Use Case Recommendations

    Best Fit for Boost Inbox

    • 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 Inboxy

    • 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 (9 integrations)

    Feature Comparison Summary

    FeatureBoost InboxInboxy
    Starting Price$5/mo$47/mo
    Top Tier Price$19/mo$47/mo
    Total Features Listed89
    Integrations69

    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

    Boost Inbox and Inboxy both serve the email domain warming and deliverability market. Boost Inbox offers a more accessible entry point at $5/mo, while Inboxy starts at $47/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 Boost Inbox and Inboxy for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    Which is cheaper, Boost Inbox or Inboxy?
    Boost Inbox is cheaper at the entry level, starting at $5/mo compared to Inboxy's $47/mo. Boost Inbox also offers 3 pricing tiers up to $19/mo for its Premium plan, giving budget-conscious teams more granularity, while Inboxy offers only a single $47/mo Pro plan.
    What features does Inboxy offer that Boost Inbox doesn't?
    Inboxy lists Primary Inbox Supercharger, Domain Score IQ Monitoring, AI Powered Inbox Adjustments, Dynamic Email Scheduling, Live Inbox Engagement Feed, AI Generated Emails using GPT-3, IP Warm Up Service, SMTP Warm Up Service, and Inbox Placement Test, none of which appear on Boost Inbox's own feature list.
    What features does Boost Inbox offer that Inboxy doesn't?
    Boost Inbox lists Email Warmup, Fully Automated, Status Reports, Human Review, Premium Support, realistic emails sent from your inbox daily, an email health checker tool, and inbox reputation analytics, none of which appear on Inboxy's own feature list.
    Which integrations does each tool support?
    Boost Inbox connects with Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, and SMTP, a total of 6 integrations. Inboxy connects with Personal Gmail, Google Workspace, Outlook/Office via SMTP and OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, a total of 9 integrations.
    Which tool is better for a budget-conscious team?
    Boost Inbox is the recommended fit for budget-conscious teams looking for an affordable email warmup tool, given its $5/mo starting price. It is also suited to teams launching new email domains, organizations recovering from deliverability issues, and agencies managing warmup across multiple client domains.
    Boost InboxInboxyEmail 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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