Icypeas vs MailerCheck: Data Enrichment Tool Comparison
Compare Icypeas and MailerCheck side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

Icypeas and MailerCheck are both data enrichment tools but take different approaches. Icypeas starts at $19/mo and focuses on finding and verifying professional emails, enriching leads, and identifying LinkedIn profiles. MailerCheck starts free with 10 credits and focuses on email list verification, deliverability testing, and inbox placement checks. The right pick depends on budget and specific needs.
Key takeaways
- Icypeas entry plan costs $19/mo for 1,000 credits, while MailerCheck offers 10 free credits on a new account.
- Icypeas offers 4 pricing tiers up to $499/mo for 100,000 credits, while MailerCheck offers 2 pricing tiers with pay as you go at $0.01 per credit.
- MailerCheck integrates with 7 tools including MailerLite, Mailchimp, and ActiveCampaign, while Icypeas integrates with 6 tools including Clay, n8n, and MCP.
- Both platforms list 8 features each on their own pages, though the specific capabilities differ by exact wording.
- Icypeas was founded in 2022, while MailerCheck's founding year is not listed.
Reviewed and updated September 4, 2026
Icypeas vs MailerCheck: Data Enrichment Tool Comparison
Icypeas and MailerCheck are both data enrichment tools. Choosing between them depends on your team size, budget, and specific B2B lead data and contact enrichment requirements. Here is what each vendor publishes about pricing, features, and integrations.
The Quick Answer
By each vendor's own wording, Icypeas lists email finder and email verifier, while MailerCheck lists email list verification and email insights. A capability both offer can appear under different names, so read both feature lists below.
MailerCheck offers a lower entry point at $0/mo compared to Icypeas at $19/mo.
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
Icypeas is Helps B2B teams find and verify professional email addresses, enrich leads and identify LinkedIn profiles, through a web app or an API. Credits are charged only for found emails.
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

Basic
Free credits
Icypeas Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Basic | $19/mo | 1,000 credits |
| Premium | $39/mo | 4,000 credits |
| Advanced | $89/mo | 10,000 credits |
| Hypergrowth | $499/mo | 100,000 credits |
Source: Icypeas 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
MailerCheck offers the lower entry point ($0/mo vs $19/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Icypeas offers 4 pricing tiers compared to MailerCheck's 2, giving you more granularity as you scale.
MailerCheck includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- 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
Icypeas Key Features
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- Catch-All verification
- Credits roll over
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 Icypeas
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- Catch-All verification
- Credits roll over
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

Icypeas Integrations
Icypeas connects with: Google Sheets, n8n, Make, Zapier, Clay, MCP.
MailerCheck Integrations
MailerCheck connects with: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
Shared Integrations
Both tools integrate with: Make, Zapier.
Integrations listed only by Icypeas: Google Sheets, n8n, Clay, MCP.
Integrations listed only by MailerCheck: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit.
Use Case Recommendations
Best Fit for Icypeas
- Budget-conscious teams looking for an affordable data enrichment tool
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
- Sales teams researching target accounts
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 | Icypeas | MailerCheck |
|---|---|---|
| Starting Price | $19/mo | Free |
| Top Tier Price | $499/mo | Usage-based |
| Total Features Listed | 8 | 8 |
| Integrations | 6 | 7 |
| Founded | 2022 | N/A |
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
Icypeas and MailerCheck both serve the B2B lead data and contact enrichment market. MailerCheck offers a more accessible entry point, while Icypeas starts at $19/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 Icypeas and MailerCheck for current information.
Frequently asked questions.
Frequently asked questions- What's the main difference between Icypeas and MailerCheck?
- Icypeas is built to find and verify professional email addresses, enrich leads, and identify LinkedIn profiles, charging credits only for found emails. MailerCheck is built for email list verification and deliverability testing, validating single addresses, bulk lists, or new signups and checking inbox placement before a send.
- Which tool is cheaper, Icypeas or MailerCheck?
- MailerCheck has the lower entry point, offering 10 free credits on signup, compared to Icypeas which starts at $19/mo for 1,000 credits. After free credits, MailerCheck moves to a pay as you go model at $0.01 per credit, while Icypeas offers 4 fixed pricing tiers up to $499/mo.
- How many integrations does each tool support?
- Icypeas supports 6 integrations, including Google Sheets, n8n, Make, Zapier, Clay, and MCP. MailerCheck supports 7 integrations, including MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make. Both tools share Make and Zapier as common integrations.
- Is Icypeas or MailerCheck better for budget-conscious teams?
- Both tools are positioned as good fits for budget-conscious teams looking for an affordable data enrichment tool. MailerCheck lets teams start free and scale up as needs grow, while Icypeas offers 4 pricing tiers, giving more granularity for teams that want to plan around specific credit volumes.
- Who should use Icypeas versus MailerCheck?
- Icypeas fits revenue operations teams building targeted prospect lists, marketing teams enriching CRM data for segmentation, and sales teams researching target accounts. MailerCheck fits organizations with complex tech stacks needing broad integration support, listed at 7 integrations, and teams that want to start free before scaling.
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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