Clearout vs MailerCheck: Data Enrichment Tool Comparison
Compare Clearout and MailerCheck side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Clearout and MailerCheck both offer free entry points into B2B email verification and contact enrichment. Clearout provides four pricing tiers, from a free lifetime plan to enterprise, plus five integrations including HubSpot and Google Sheets. MailerCheck uses two usage-based tiers and connects with seven tools, including Mailchimp and ActiveCampaign.
Key takeaways
- Clearout offers four pricing tiers: a free lifetime plan with 100 credits, Starter at $16/mo for 3,000 credits, Pro 10K at $32/mo for 10,000 credits, and an Enterprise tier reached by contacting sales.
- MailerCheck offers two pricing tiers: a free plan with 10 credits limited to email list verification, and a pay-as-you-go plan priced at $0.01 per credit starting at 1,000 credits.
- Clearout lists five integrations: HubSpot, Google Sheets, Zapier, Make, and Zoho.
- MailerCheck lists seven integrations: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make.
- Both Clearout and MailerCheck list eight key features on their own sites, and both share Zapier and Make as common integrations.
Reviewed and updated September 5, 2026
Clearout vs MailerCheck: Data Enrichment Tool Comparison
Clearout and MailerCheck compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
By each vendor's own wording, Clearout lists email verifier and email finder, while MailerCheck lists email list verification and email insights. A capability both offer can appear under different names, so read both feature lists below.
Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.
If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Clearout is Email verification service that validates addresses in bulk, through an API and on signup forms in real time. Also finds business email addresses and monitors contact data already inside a CRM.
MailerCheck is Email list verification and deliverability testing tool that validates single addresses, bulk lists or new signups through an API, and tests email content and inbox placement before a send.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Clearout Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Freemium | Free | 100 Credits for Lifetime |
| Starter | $16/mo | 3,000 Credits Per Month |
| Pro 10K Credits | $32/mo | 10,000 Credits Per Month |
| Enterprise | Contact Sales | - |
Source: Clearout Pricing
MailerCheck Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Free credits | Free | 10 free credits on a new account, for Email List Verification only |
| Pay as you go | Usage-based | 1,000 credits at the entry step, at $0.01 per credit; 1 credit = 1 email verification |
Source: MailerCheck Pricing
Pricing Analysis
Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.
Clearout offers 4 pricing tiers compared to MailerCheck's 2, giving you more granularity as you scale.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- and 2 more listed below
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- and 2 more listed below
Clearout Key Features
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- Prospecting
- Credits never expire
MailerCheck Key Features
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
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 Clearout
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- Prospecting
- Credits never expire
Listed only by MailerCheck
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
Integration Ecosystem
Clearout Integrations
Clearout connects with: HubSpot, Google Sheets, Zapier, Make, Zoho.
MailerCheck Integrations
MailerCheck connects with: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
Shared Integrations
Both tools integrate with: Zapier, Make.
Integrations listed only by Clearout: HubSpot, Google Sheets, Zoho.
Integrations listed only by MailerCheck: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit.
Use Case Recommendations
Best Fit for Clearout
- 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 MailerCheck
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | Clearout | MailerCheck |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 8 | 8 |
| Integrations | 5 | 7 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected 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
Clearout and MailerCheck both serve the B2B lead data and contact enrichment market. Clearout offers a more accessible entry point, while MailerCheck starts at $0/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 Clearout and MailerCheck for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Clearout or MailerCheck?
- Both start at $0 per month, so neither is cheaper at entry. Clearout's paid tiers begin at $16/mo for 3,000 credits, while MailerCheck uses a pay-as-you-go model priced at $0.01 per credit starting at 1,000 credits, so the better value depends on expected usage.
- What integrations does Clearout support?
- Clearout integrates with HubSpot, Google Sheets, Zapier, Make, and Zoho, totaling five integrations. This is fewer than MailerCheck's seven listed integrations, making Clearout a better fit for teams with simpler tech stacks centered on CRM and spreadsheet workflows.
- What integrations does MailerCheck support?
- MailerCheck integrates with MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make, totaling seven integrations. This makes it a stronger option for organizations with complex tech stacks that rely on multiple email marketing platforms.
- Do Clearout and MailerCheck offer free plans?
- Yes, both offer free tiers. Clearout's free Freemium plan provides 100 credits for lifetime use, while MailerCheck's free plan provides 10 credits limited to email list verification, letting teams test both before committing to a paid plan.
- Which tool is better for enterprise buyers?
- Clearout is better suited for enterprise buyers who want custom pricing and dedicated support, since it offers a dedicated Enterprise tier reached by contacting sales. MailerCheck does not list a comparable enterprise tier, relying instead on its usage-based pay-as-you-go pricing.
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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