Tool Comparisons

    Hexospark vs Inboxy: Cold Email Platform vs Email Warmup Tool Comparison

    Compare Hexospark (cold email platform) and Inboxy (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    September 4, 20265 min read
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    The short answer

    Compare Hexospark (cold email platform) and Inboxy (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Reviewed and updated September 4, 2026

    Hexospark vs Inboxy: Cold Email Platform vs Email Warmup Tool Comparison

    Sales teams building an outbound stack often weigh Hexospark, a cold email platform for cold email outreach, against Inboxy, an email warmup tool for email domain warming and deliverability. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.

    The Quick Answer

    Hexospark is a cold email platform for cold email outreach; Inboxy is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, Hexospark lists built-in crm and unified inbox, and Inboxy lists primary inbox supercharger and domain score iq monitoring.

    Hexospark offers a lower entry point at $29/mo compared to Inboxy at $47/mo.

    If your priority is sending campaigns that land in the inbox and generate replies, Hexospark is the one built for it; for building sender reputation and improving inbox placement, that is Inboxy. Many teams run one of each.

    Understanding the Core Difference

    Hexospark is Cloud-based cold email and outreach software from Hexact that combines personalized email campaigns at scale, automated follow-up sequences, a built-in CRM for unlimited contacts and a unified inbox, with a browser extension for capturing leads from LinkedIn.

    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

    $29/moHexospark entry plan

    Solo

    $47/moInboxy entry plan

    Inboxy Pro

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

    Hexospark Pricing (as of September 2026)

    PlanPriceContactsEmails
    Solo$29/moUnlimited contacts; 1 userUnlimited emails; 1 email inbox; 1GB account storage
    Team$98/moUnlimited contacts; 1+8 team seats (9 total users); 3 workspacesUnlimited emails; 10 email inboxes; 10 GB account storage
    EnterpriseContact SalesCustom planAll the benefits of Team plus team training, personalized onboarding, campaign setup and management

    Source: Hexospark 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

    Hexospark is more affordable at the entry level ($29/mo vs $47/mo). For teams with tight budgets or those just getting started with cold email outreach and email domain warming and deliverability, this price difference matters.

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

    Features Breakdown

    Hexospark lists
    • Built-in CRM
    • Unified inbox
    • Unlimited contacts
    • Unlimited emails
    • Automate smart follow-ups
    • Rotate email accounts inside campaigns
    • and 4 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 Hexospark 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.

    Hexospark Key Features

    • Built-in CRM
    • Unified inbox
    • Unlimited contacts
    • Unlimited emails
    • Automate smart follow-ups
    • Rotate email accounts inside campaigns
    • Write personal icebreakers
    • Email template library
    • Pipeline management to grow your sales
    • 1-Click lead import to CRM and email campaigns

    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 Hexospark

    • Built-in CRM
    • Unified inbox
    • Unlimited contacts
    • Unlimited emails
    • Automate smart follow-ups
    • Rotate email accounts inside campaigns
    • Write personal icebreakers
    • Email template library
    • Pipeline management to grow your sales
    • 1-Click lead import to CRM and email campaigns

    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

    Hexospark Integrations

    Hexospark connects with: Gmail, SMTP, LinkedIn.

    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 Hexospark: Gmail, SMTP, LinkedIn.

    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 Hexospark

    • Budget-conscious teams looking for an affordable cold email platform
    • Teams that need a wide feature set (10 capabilities listed)
    • Enterprise buyers who prefer custom pricing and dedicated support

    Best Fit for Inboxy

    • Budget-conscious teams looking for an affordable email warmup tool
    • Organizations with complex tech stacks needing broad integration support (9 integrations)
    • Teams launching new email domains for outreach
    • Organizations recovering from deliverability issues

    Feature Comparison Summary

    FeatureHexosparkInboxy
    Starting Price$29/mo$47/mo
    Top Tier PriceContact Sales$47/mo
    Total Features Listed109
    Integrations39

    Getting Started Checklist

    1. Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
    2. Estimate your expected email sending volume and 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

    Hexospark serves the cold email outreach side of an outbound stack and Inboxy the email domain warming and deliverability side. Hexospark offers a more accessible entry point at $29/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 Hexospark and Inboxy for current information.

    HexosparkInboxyCold Email PlatformEmail Warmup ToolComparisonemail-sendingemail-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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