Tool Comparisons

    SalesStack vs Vocus.io: Sales Engagement Platform vs Cold Email Platform Comparison

    Compare SalesStack (sales engagement platform) and Vocus.io (cold email platform) 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 SalesStack (sales engagement platform) and Vocus.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Reviewed and updated September 4, 2026

    SalesStack vs Vocus.io: Sales Engagement Platform vs Cold Email Platform Comparison

    Sales teams building an outbound stack often weigh SalesStack, a sales engagement platform for multi-channel sales outreach and engagement tracking, against Vocus.io, a cold email platform for cold email outreach. 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

    SalesStack is a sales engagement platform for multi-channel sales outreach and engagement tracking; Vocus.io is a cold email platform for cold email outreach. By each vendor's own wording, SalesStack lists lead scoring and cold email outreach, and Vocus.io lists email tracking and templates & snippets.

    Vocus.io offers a lower entry point at $5/mo compared to SalesStack at $1970/mo.

    If your priority is coordinating outreach across email, phone, and social channels, SalesStack is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Vocus.io. Many teams run one of each.

    Understanding the Core Difference

    SalesStack is Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.

    Vocus.io is Email outreach platform for Gmail and Google Workspace. Sends personalized mass campaigns with automated follow-ups, tracks opens and link clicks per recipient, shares templates across a team and logs activity to a CRM.

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

    Pricing Comparison

    $1970/yrSalesStack entry plan

    Grow

    $5/moVocus.io entry plan

    Basic

    Entry pricing for SalesStack and Vocus.io, as published on each vendor's own pricing page.

    SalesStack Pricing (as of September 2026)

    PlanPriceContactsEmails
    Grow$1970/yr5 unique mailboxes; 1000 lead search and enrichment credits; unlimited lead searchNot published as a send figure; cloud call center included
    Ultimate$4970/yr20 unique mailboxes; 3500 lead search and enrichment creditsNot published as a send figure
    Enterprise$9970/yr100 unique mailboxes; 8000 lead search and enrichment creditsAdvanced, AI-powered email warm-up

    Source: SalesStack Pricing

    Vocus.io Pricing (as of September 2026)

    PlanPriceContactsEmails
    Basic$5/mo5 Inboxes; 50 Snippets50 Followups
    Starter$10/mo5 Inboxes; 100 Snippets100 Followups
    Professional$20/mo10 Inboxes; 200 Snippets500 Followups
    Growth$80/mo800 snippetsexternal SMTP support

    Source: Vocus.io Pricing

    Pricing Analysis

    Vocus.io offers the lower entry point ($5/mo vs $1970/mo). Teams watching their budget will appreciate the savings, especially when starting out.

    Vocus.io offers 4 pricing tiers compared to SalesStack's 3, giving you more granularity as you scale.

    Features Breakdown

    SalesStack lists
    • Lead Scoring
    • Cold Email Outreach
    • Sales Engagement
    • Sales Funnels
    • AI Calling
    • Custom Forms
    • and 4 more listed below
    Vocus.io lists
    • Email tracking
    • Templates & Snippets
    • Send Later & Snooze
    • Automated Followups
    • Salesforce & CRM Integration
    • Campaigns
    • and 4 more listed below
    What SalesStack and Vocus.io 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.

    SalesStack Key Features

    • Lead Scoring
    • Cold Email Outreach
    • Sales Engagement
    • Sales Funnels
    • AI Calling
    • Custom Forms
    • Multi-Channel Outreach
    • Calendar
    • Calls and Tasks
    • Team Management

    Vocus.io Key Features

    • Email tracking
    • Templates & Snippets
    • Send Later & Snooze
    • Automated Followups
    • Salesforce & CRM Integration
    • Campaigns
    • Campaigns w/ Followups
    • Campaigns w/ Attachments
    • Branded URLs
    • Teams

    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 SalesStack

    • Lead Scoring
    • Cold Email Outreach
    • Sales Engagement
    • Sales Funnels
    • AI Calling
    • Custom Forms
    • Multi-Channel Outreach
    • Calendar
    • Calls and Tasks
    • Team Management

    Listed only by Vocus.io

    • Email tracking
    • Templates & Snippets
    • Send Later & Snooze
    • Automated Followups
    • Salesforce & CRM Integration
    • Campaigns
    • Campaigns w/ Followups
    • Campaigns w/ Attachments
    • Branded URLs
    • Teams

    Integration Ecosystem

    SalesStack Integrations

    SalesStack connects with: .

    Vocus.io Integrations

    Vocus.io connects with: Gmail, Google Workspace, Salesforce, Pipedrive, Zapier, Webhooks.

    Integrations listed only by Vocus.io: Gmail, Google Workspace, Salesforce, Pipedrive, Zapier, Webhooks.

    Use Case Recommendations

    Best Fit for SalesStack

    • Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
    • SDR teams running multi-channel outreach sequences
    • Sales managers tracking team engagement metrics
    • Revenue teams coordinating email, phone, and social touches

    Best Fit for Vocus.io

    • Budget-conscious teams looking for an affordable cold email platform
    • Organizations with complex tech stacks needing broad integration support (6 integrations)
    • Sales teams running high-volume outbound email campaigns
    • Agencies managing multiple client outreach programs

    Feature Comparison Summary

    FeatureSalesStackVocus.io
    Starting Price$1970/yr$5/mo
    Top Tier Price$9970/yr$80/mo
    Total Features Listed1010
    Integrations06

    Getting Started Checklist

    1. Define your multi-channel sales outreach and engagement tracking and cold email outreach requirements and monthly budget
    2. Estimate your expected sequences and engagement actions and 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

    SalesStack serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Vocus.io the cold email outreach side. Vocus.io offers a more accessible entry point at $5/mo, while SalesStack starts at $1970/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 SalesStack and Vocus.io for current information.

    SalesStackVocus.ioSales Engagement PlatformCold Email PlatformComparisonsales-engagementemail-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

    Connect on LinkedIn →
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