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.
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.
Reviewed and updated September 2, 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
Starter
Freemium
Closely Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Starter | $49/mo | 1 LinkedIn account, unlimited email accounts |
| Growth | $127/mo | 3 LinkedIn accounts, unlimited email accounts, 3,000 bonus credits/mo |
| Essential | $205/mo | 5 LinkedIn accounts, unlimited email accounts, 5,000 bonus credits/mo |
| Custom | Contact Sales | Unlimited seats, custom LinkedIn accounts and credits |
Source: Closely Pricing
ZeroBounce Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Freemium | Free | 100 free monthly email verifications |
| Pay as You Go | Usage-based | From 2,000 email addresses |
| ZeroBounce ONE | $99/mo | - |
| ZeroBounce ONE Custom | Contact 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
- 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
- Email Validation
- Email Scoring
- Email Finder
- Inbox Placement Tests
- Email Server Tests
- Blacklist Monitoring
- and 2 more listed below
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
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
| Feature | Closely | ZeroBounce |
|---|---|---|
| Starting Price | $49/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 8 | 10 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions and data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- 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.
About the author.
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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