Tool Comparisons

    Closely vs ZeroBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison

    Compare Closely (sales engagement platform) and ZeroBounce (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.

    Editorial illustration for Closely vs ZeroBounce
    August 28, 2026Updated September 4, 20266 min read
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    The short answer

    Closely is a sales engagement platform for multichannel outreach across LinkedIn and email starting at $49/mo, while ZeroBounce is a data enrichment tool for email validation and contact scoring starting free. Teams needing coordinated outreach across channels should choose Closely; teams needing accurate contact data should choose ZeroBounce. Many teams use both together.

    Key takeaways

    • Closely's Starter plan costs $49/mo and includes 1 LinkedIn account with unlimited email accounts.
    • ZeroBounce offers a Freemium plan with 100 free monthly email verifications, and its ZeroBounce ONE plan costs $99/mo.
    • Closely's Growth plan at $127/mo includes 3 LinkedIn accounts and 3,000 bonus credits per month.
    • Closely, Pipedrive, HubSpot, and Salesforce are integrations shared by both Closely and ZeroBounce.
    • ZeroBounce lists email warmup, DMARC monitoring, and blacklist monitoring as features not listed by Closely.

    Reviewed and updated September 4, 2026

    Closely vs ZeroBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison

    Sales teams building an outbound stack often weigh Closely, a sales engagement platform for multi-channel sales outreach and engagement tracking, against ZeroBounce, a data enrichment tool for B2B lead data and contact enrichment. 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

    Closely is a sales engagement platform for multi-channel sales outreach and engagement tracking; ZeroBounce is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Closely lists multichannel campaigns across linkedin and email and conditional sequence builder, and ZeroBounce lists email validation and email scoring.

    ZeroBounce offers a lower entry point at $0/mo compared to Closely at $49/mo.

    If your priority is coordinating outreach across email, phone, and social channels, Closely is the one built for it; for finding accurate contact data for target accounts, that is ZeroBounce. Many teams run one of each.

    Understanding the Core Difference

    Closely is Outbound platform that runs automated campaigns across LinkedIn and email from a shared sender, with a conditional sequence builder, unified inbox, contact enrichment and AI personalization agents.

    ZeroBounce is Email verification service that validates email addresses in bulk or through a real-time API and scores catch-all addresses. Also offers an email finder, inbox placement testing, blacklist and DMARC monitoring and email warmup.

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

    Pricing Comparison

    Pricing ladder: Pricing Comparison (Closely, ZeroBounce, Starter, Freemium)

    $49/moClosely entry plan

    Starter

    FreeZeroBounce entry plan

    Freemium

    Entry pricing for Closely and ZeroBounce, as published on each vendor's own pricing page.

    Closely Pricing (as of September 2026)

    PlanPriceContacts
    Starter$49/mo1 LinkedIn account, unlimited email accounts
    Growth$127/mo3 LinkedIn accounts, unlimited email accounts, 3,000 bonus credits/mo
    Essential$205/mo5 LinkedIn accounts, unlimited email accounts, 5,000 bonus credits/mo
    CustomContact SalesUnlimited seats, custom LinkedIn accounts and credits

    Source: Closely Pricing

    ZeroBounce Pricing (as of September 2026)

    PlanPriceEmails
    FreemiumFree100 free monthly email verifications
    Pay as You GoUsage-basedFrom 2,000 email addresses
    ZeroBounce ONE$99/mo-
    ZeroBounce ONE CustomContact Sales-

    Source: ZeroBounce Pricing

    Pricing Analysis

    ZeroBounce offers the lower entry point ($0/mo vs $49/mo). Teams watching their budget will appreciate the savings, especially when starting out.

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

    Features Breakdown

    Closely lists
    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • and 4 more listed below
    ZeroBounce lists
    • Email Validation
    • Email Scoring
    • Email Finder
    • Inbox Placement Tests
    • Email Server Tests
    • Blacklist Monitoring
    • and 2 more listed below
    What Closely and ZeroBounce 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.

    Closely Key Features

    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • Email finder with a multi-step fallback process
    • Phone number finder
    • AI lead scoring and personalization agents
    • Export from Sales Navigator, LinkedIn posts and events

    ZeroBounce Key Features

    • Email Validation
    • Email Scoring
    • Email Finder
    • Inbox Placement Tests
    • Email Server Tests
    • Blacklist Monitoring
    • DMARC Monitor
    • Email Warmup

    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 Closely

    • Multichannel campaigns across LinkedIn and email
    • Conditional sequence builder
    • Smart Inbox unifying LinkedIn and email replies
    • LinkedIn account warmup
    • Dedicated residential IP for each LinkedIn account
    • OAuth Gmail and Outlook connection plus custom SMTP
    • Email finder with a multi-step fallback process
    • Phone number finder
    • AI lead scoring and personalization agents
    • Export from Sales Navigator, LinkedIn posts and events

    Listed only by ZeroBounce

    • Email Validation
    • Email Scoring
    • Email Finder
    • Inbox Placement Tests
    • Email Server Tests
    • Blacklist Monitoring
    • DMARC Monitor
    • Email Warmup

    Integration Ecosystem

    Integration schematic: Integration Ecosystem (Closely, ZeroBounce, Salesforce, Pipedrive)

    Closely Integrations

    Closely connects with: Salesforce, Pipedrive, HubSpot, GoHighLevel, Gmail, Microsoft Outlook, SMTP, Webhooks.

    ZeroBounce Integrations

    ZeroBounce connects with: HubSpot, Salesforce, Mailchimp, Klaviyo, ActiveCampaign, Pipedrive, Zoho CRM, Zapier, Make, Shopify.

    Shared Integrations

    Both tools integrate with: Salesforce, Pipedrive, HubSpot.

    Integrations listed only by Closely: GoHighLevel, Gmail, Microsoft Outlook, SMTP, Webhooks.

    Integrations listed only by ZeroBounce: Mailchimp, Klaviyo, ActiveCampaign, Zoho CRM, Zapier, Make, Shopify.

    Use Case Recommendations

    Best Fit for Closely

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

    Best Fit for ZeroBounce

    • Budget-conscious teams looking for an affordable data enrichment tool
    • Organizations with complex tech stacks needing broad integration support (10 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

    FeatureCloselyZeroBounce
    Starting Price$49/moFree
    Top Tier PriceContact SalesContact Sales
    Total Features Listed108
    Integrations810

    Getting Started Checklist

    Step sequence: Getting Started Checklist (Define multi-channel sales, Estimate expected sequences, List integrations, Sign up)

    1. Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
    2. Estimate your expected sequences and engagement actions and data credits or contact lookups 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

    Closely serves the multi-channel sales outreach and engagement tracking side of an outbound stack and ZeroBounce the B2B lead data and contact enrichment side. ZeroBounce offers a more accessible entry point, while Closely starts at $49/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 Closely and ZeroBounce for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Closely and ZeroBounce?
    Closely is a sales engagement platform built for multichannel outreach across LinkedIn and email with a conditional sequence builder, while ZeroBounce is a data enrichment tool focused on email validation, email scoring, and contact enrichment. They serve different parts of the outbound workflow rather than competing directly for the same use case.
    Which is cheaper, Closely or ZeroBounce?
    ZeroBounce has the lower entry point with a free Freemium plan offering 100 monthly email verifications, compared to Closely's Starter plan at $49/mo. ZeroBounce also has a Pay as You Go option starting from 2,000 email addresses, and a paid ZeroBounce ONE plan at $99/mo.
    Do Closely and ZeroBounce integrate with the same tools?
    Yes, both integrate with Salesforce, Pipedrive, and HubSpot. Beyond that they diverge: Closely also connects with GoHighLevel, Gmail, Microsoft Outlook, SMTP, and Webhooks, while ZeroBounce connects with Mailchimp, Klaviyo, ActiveCampaign, Zoho CRM, Zapier, Make, and Shopify.
    Can I use both Closely and ZeroBounce together?
    Yes, the article notes that many teams run one of each because they cover different parts of the workflow. Closely handles multichannel outreach and engagement tracking, while ZeroBounce handles finding and verifying accurate contact data for target accounts.
    What features does Closely offer that ZeroBounce doesn't list?
    Closely lists features including multichannel campaigns across LinkedIn and email, a conditional sequence builder, a Smart Inbox unifying replies, LinkedIn account warmup, dedicated residential IPs per LinkedIn account, a phone number finder, and AI lead scoring and personalization agents, none of which appear on ZeroBounce's feature list.
    CloselyZeroBounceSales Engagement PlatformData Enrichment ToolComparisonsales-engagementdata-enrichment
    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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