Adapt.io vs Closely: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare Adapt.io (data enrichment tool) and Closely (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare Adapt.io (data enrichment tool) and Closely (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 2, 2026
Adapt.io vs Closely: Data Enrichment Tool vs Sales Engagement Platform Comparison
Sales teams building an outbound stack often weigh Adapt.io, a data enrichment tool for B2B lead data and contact enrichment, against Closely, a sales engagement platform for multi-channel sales outreach and engagement tracking. 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
Adapt.io is a data enrichment tool for B2B lead data and contact enrichment; Closely is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, Adapt.io lists 250m+ business contacts and 10m+ company profiles, and Closely lists multichannel campaigns across linkedin and email and conditional sequence builder.
Adapt.io offers a lower entry point at $0/mo compared to Closely at $49/mo.
If your priority is finding accurate contact data for target accounts, Adapt.io is the one built for it; for coordinating outreach across email, phone, and social channels, that is Closely. Many teams run one of each.
Understanding the Core Difference
Adapt.io is B2B lead intelligence platform with 250M+ contacts, Prospector Chrome extension, and data enrichment with 50+ attributes.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Starter
Adapt.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 25 Email Credits, 25 Enrichment Credits, 25 Contacts per day | 25 Email Credits |
| Starter | $49/mo | 500 Email Credits, 500 Enrichment Credits, 50 Contacts per day | 500 Email Credits |
| Basic | $99/mo | 1,000 Email Credits, 100 Phone Credits, 1,000 Enrichment Credits | 1,000 Email Credits |
| Custom | Contact Sales | Custom | - |
Source: Adapt.io Pricing
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
Pricing Analysis
Adapt.io is more affordable at the entry level ($0/mo vs $49/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking, this price difference matters.
Adapt.io includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- 250M+ business contacts
- 10M+ company profiles
- Prospector Chrome extension
- Data enrichment with 50+ attributes
- Lead builder with advanced filters
- ABM list building
- and 4 more listed below
- 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
Adapt.io Key Features
- 250M+ business contacts
- 10M+ company profiles
- Prospector Chrome extension
- Data enrichment with 50+ attributes
- Lead builder with advanced filters
- ABM list building
- 3,000+ tech sector classifications
- Saved searches
- CSV export
- API access
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
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 Adapt.io
- 250M+ business contacts
- 10M+ company profiles
- Prospector Chrome extension
- Data enrichment with 50+ attributes
- Lead builder with advanced filters
- ABM list building
- 3,000+ tech sector classifications
- Saved searches
- CSV export
- API access
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
Integration Ecosystem
Adapt.io Integrations
Adapt.io connects with: Salesforce, HubSpot, Zoho CRM, Marketo, Outreach, Zapier.
Closely Integrations
Closely connects with: Salesforce, Pipedrive, HubSpot, GoHighLevel, Gmail, Microsoft Outlook, SMTP, Webhooks.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot.
Integrations listed only by Adapt.io: Zoho CRM, Marketo, Outreach, Zapier.
Integrations listed only by Closely: Pipedrive, GoHighLevel, Gmail, Microsoft Outlook, SMTP, Webhooks.
Use Case Recommendations
Best Fit for Adapt.io
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Closely
- Budget-conscious teams looking for an affordable sales engagement platform
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Adapt.io | Closely |
|---|---|---|
| Starting Price | Free | $49/mo |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 6 | 8 |
| Founded | 2016 | N/A |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and sequences and engagement actions 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
Adapt.io serves the B2B lead data and contact enrichment side of an outbound stack and Closely the multi-channel sales outreach and engagement tracking side. Adapt.io 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 Adapt.io and Closely 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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