Tool Comparisons

    GMass vs ReachInbox: Cold Email Platform Comparison

    Compare GMass and ReachInbox side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.

    Editorial illustration for GMass vs ReachInbox
    September 2, 2026Updated September 2, 20265 min read
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    The short answer

    GMass is a Gmail-based mass email and mail merge platform starting at $29.95/mo, while ReachInbox is a cold outreach platform with unlimited email accounts, AI warmup, and a free plan. GMass integrates with Gmail, Google Sheets, Zapier, and Google Workspace. ReachInbox integrates with GoHighLevel, n8n, Zapier, Make, Slack, Pabbly, and Activepieces, and lists 11 features versus GMass's 10.

    Key takeaways

    • GMass pricing starts at $29.95/mo for the Standard plan, with Premium at $39.95/mo, Professional at $59.95/mo, and a 5-user Teams plan at $175/mo.
    • ReachInbox offers a Free Plan with 50 active leads and 250 emails per month, plus paid tiers at $39/mo, $99/mo, and $299/mo.
    • ReachInbox lists 11 features including Unlimited AI Warmup, AI Enrichment, AI Replies, Lead Finder, and Website Visitor Identification.
    • GMass lists 10 features including Spam Solver deliverability tool, custom tracking links, inbox rotation, and API and Zapier access.
    • Both platforms share only one listed integration, Zapier, while ReachInbox lists 6 additional integrations and GMass lists 3 additional integrations.

    Reviewed and updated September 2, 2026

    GMass vs ReachInbox: Cold Email Platform Comparison

    Sales teams evaluating cold email outreach tools often narrow their shortlist to GMass and ReachInbox. Both target the same job, but they cater to different workflows and budgets. This comparison covers pricing, features, and integrations so you can pick the right fit.

    The Quick Answer

    By each vendor's own wording, GMass lists works inside gmail and unlimited emails, contacts, and campaigns, while ReachInbox lists unlimited e-mail accounts and unlimited ai warmup. A capability both offer can appear under different names, so read both feature lists below.

    ReachInbox offers a lower entry point at $0/mo compared to GMass at $29.95/mo.

    If your priority is sending campaigns that land in the inbox and generate replies, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

    Understanding the Core Difference

    GMass is Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.

    ReachInbox is Cold outreach platform that connects unlimited email accounts, warms them up, and runs AI-personalized campaigns from a unified inbox. Adds a lead finder, website visitor identification and inbox placement tests as separate product tabs.

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

    Pricing Comparison

    $29.95/moGMass entry plan

    Standard

    FreeReachInbox entry plan

    Free Plan

    Entry pricing for GMass and ReachInbox, as published on each vendor's own pricing page.

    GMass Pricing (as of September 2026)

    PlanPriceContactsEmails
    Standard$29.95/moUnlimitedUnlimited (Gmail limits apply)
    Premium$39.95/moUnlimitedUnlimited (Gmail limits apply)
    Professional$59.95/moUnlimitedUnlimited (Gmail limits apply)
    Teams (5 users)$175/moUnlimitedUnlimited (Gmail limits apply)

    Source: GMass Pricing

    ReachInbox Pricing (as of September 2026)

    PlanPriceContactsEmails
    Free PlanFree50 Active Leads/mo250 Emails/mo
    Starter Plan$39/mo2,000 Active Leads/mo10,000 E-mails/mo
    Growth Plan$99/mo50,000 Active Leads/mo250,000 Emails/mo
    Pro Plan$299/mo200,000 Active Leads/mo1 Million Emails/mo
    Enterprise PlanContact Sales500,000 Active Leads1 M Emails Monthly

    Source: ReachInbox Pricing

    Pricing Analysis

    ReachInbox offers the lower entry point ($0/mo vs $29.95/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    ReachInbox offers 5 pricing tiers compared to GMass's 4, giving you more granularity as you scale.

    ReachInbox includes a free tier, which is helpful for evaluating the platform without upfront cost.

    Features Breakdown

    GMass lists
    • Works inside Gmail
    • Unlimited emails, contacts, and campaigns
    • Mail merge personalization
    • Free email verification
    • Automated follow-up sequences
    • A/B testing
    • and 4 more listed below
    ReachInbox lists
    • Unlimited E-mail Accounts
    • Unlimited AI Warmup
    • Hyper-Personalization
    • AI Enrichment
    • AI Replies
    • Webhooks
    • and 5 more listed below
    What GMass and ReachInbox 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.

    GMass Key Features

    • Works inside Gmail
    • Unlimited emails, contacts, and campaigns
    • Mail merge personalization
    • Free email verification
    • Automated follow-up sequences
    • A/B testing
    • Spam Solver deliverability tool
    • Custom tracking links
    • Inbox rotation
    • API and Zapier access

    ReachInbox Key Features

    • Unlimited E-mail Accounts
    • Unlimited AI Warmup
    • Hyper-Personalization
    • AI Enrichment
    • AI Replies
    • Webhooks
    • API Access and Integrations
    • White Labeling
    • Lead Finder
    • Website Visitor Identification
    • Inbox Placement Tests

    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 GMass

    • Works inside Gmail
    • Unlimited emails, contacts, and campaigns
    • Mail merge personalization
    • Free email verification
    • Automated follow-up sequences
    • A/B testing
    • Spam Solver deliverability tool
    • Custom tracking links
    • Inbox rotation
    • API and Zapier access

    Listed only by ReachInbox

    • Unlimited E-mail Accounts
    • Unlimited AI Warmup
    • Hyper-Personalization
    • AI Enrichment
    • AI Replies
    • Webhooks
    • API Access and Integrations
    • White Labeling
    • Lead Finder
    • Website Visitor Identification
    • Inbox Placement Tests

    Integration Ecosystem

    GMass Integrations

    GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.

    ReachInbox Integrations

    ReachInbox connects with: GoHighLevel, n8n, Zapier, Make, Slack, Pabbly, Activepieces.

    Shared Integrations

    Both tools integrate with: Zapier.

    Integrations listed only by GMass: Gmail, Google Sheets, Google Workspace.

    Integrations listed only by ReachInbox: GoHighLevel, n8n, Make, Slack, Pabbly, Activepieces.

    Use Case Recommendations

    Best Fit for GMass

    • Budget-conscious teams looking for an affordable cold email platform
    • Sales teams running high-volume outbound email campaigns
    • Agencies managing multiple client outreach programs
    • SDR teams focused on pipeline generation

    Best Fit for ReachInbox

    • Budget-conscious teams looking for an affordable cold email platform
    • Teams that need a wide feature set (11 capabilities listed)
    • Organizations with complex tech stacks needing broad integration support (7 integrations)
    • Teams that want to start free and scale up as needs grow
    • Enterprise buyers who prefer custom pricing and dedicated support

    Feature Comparison Summary

    FeatureGMassReachInbox
    Starting Price$29.95/moFree
    Top Tier Price$175/moContact Sales
    Total Features Listed1011
    Integrations47
    Founded2015N/A

    Getting Started Checklist

    1. Define your cold email outreach requirements and monthly budget
    2. Estimate your expected email sending 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

    GMass and ReachInbox both serve the cold email outreach market. ReachInbox offers a more accessible entry point, while GMass starts at $29.95/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 GMass and ReachInbox for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    Which is cheaper, GMass or ReachInbox?
    ReachInbox has the lower entry point with a Free Plan at $0/mo, compared to GMass's Standard plan at $29.95/mo. ReachInbox's paid tiers start at $39/mo for the Starter Plan, while GMass's plans go up to $175/mo for a 5-user Teams plan.
    What is the main difference between GMass and ReachInbox?
    GMass is a Gmail-based mass email and mail merge platform that works directly inside Gmail with unlimited emails, contacts, and campaigns. ReachInbox is a cold outreach platform that connects unlimited email accounts, warms them up, and runs AI-personalized campaigns from a unified inbox with added lead finder and website visitor identification tools.
    Does GMass or ReachInbox have more integrations?
    ReachInbox lists more integrations overall: GoHighLevel, n8n, Zapier, Make, Slack, Pabbly, and Activepieces. GMass lists Gmail, Google Sheets, Zapier, and Google Workspace. The only integration both platforms share by name is Zapier.
    Who should use ReachInbox instead of GMass?
    ReachInbox suits budget-conscious teams that want a wide feature set, since it lists 11 capabilities compared to GMass's 10, and organizations with complex tech stacks that need broad integration support across 7 listed integrations.
    Who should use GMass instead of ReachInbox?
    GMass fits budget-conscious teams looking for an affordable cold email platform, sales teams running high-volume outbound email campaigns, agencies managing multiple client outreach programs, and SDR teams focused on pipeline generation.
    GMassReachInboxCold Email PlatformComparisonemail-sending
    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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