MailerCheck vs Tomba: Data Enrichment Tool Comparison
Compare MailerCheck and Tomba side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
MailerCheck and Tomba both start free and target B2B contact and email data needs, but they differ in focus. MailerCheck centers on email list verification, deliverability testing, and inbox placement, while Tomba centers on email finding, domain search, and company enrichment with 10 integrations versus MailerCheck's 7.
Key takeaways
- MailerCheck and Tomba both offer a $0/mo starting price point.
- MailerCheck gives 10 free credits on a new account for Email List Verification only.
- Tomba's free tier includes 75 free searches per month with no credit card required.
- Tomba's Growth plan costs $89/mo for 10,000 total credits, split between 5,000 finder and search credits and 5,000 free verification credits.
- Tomba lists 10 integrations including Hubspot, Pipedrive, and Claude, while MailerCheck lists 7 including MailerLite, ActiveCampaign, and ConvertKit.
Reviewed and updated September 4, 2026
MailerCheck vs Tomba: Data Enrichment Tool Comparison
MailerCheck and Tomba 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, MailerCheck lists email list verification and email insights, while Tomba lists native & exclusive email validation and advanced catch-all verification. 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
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.
Tomba is Email finder and verifier with domain search, LinkedIn and author email lookup, phone finding, company enrichment and bulk processing, charged per valid result.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
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
Tomba Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 75 free searches per month, no credit card required |
| Growth | $89/mo | 10,000 total credits per month (5,000 finder and search plus 5,000 free verification) at the entry step of a 5,000 to 2,000,000 credit selector |
| Pay as you go | Usage-based | Credits valid for 12 months |
| Enterprise | Contact Sales | Custom data source onboarding, named account manager, custom SLA |
Source: Tomba 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.
Tomba 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 list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- and 2 more listed below
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- and 2 more listed below
MailerCheck Key Features
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
Tomba Key Features
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- Spreadsheet Add-ons
- Official SDKs
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 MailerCheck
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- Credits and autopay
- Statuses
Listed only by Tomba
- Native & Exclusive Email Validation
- Advanced Catch-All Verification
- Company Name to Domain Matching
- Company Data Enrichment
- Real-time API
- Browser Extensions
- Spreadsheet Add-ons
- Official SDKs
Integration Ecosystem
MailerCheck Integrations
MailerCheck connects with: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
Tomba Integrations
Tomba connects with: Hubspot, Pipedrive, Zapier, Make, n8n, Airtable, Mailchimp, Claude, Apify, Maltego.
Shared Integrations
Both tools integrate with: Mailchimp, Zapier, Make.
Integrations listed only by MailerCheck: MailerLite, ActiveCampaign, GetResponse, ConvertKit.
Integrations listed only by Tomba: Hubspot, Pipedrive, n8n, Airtable, Claude, Apify, Maltego.
Use Case Recommendations
Best Fit for MailerCheck
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Best Fit for Tomba
- 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 | MailerCheck | Tomba |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 8 | 8 |
| Integrations | 7 | 10 |
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
MailerCheck and Tomba both serve the B2B lead data and contact enrichment market. MailerCheck offers a more accessible entry point, while Tomba 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 MailerCheck and Tomba for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between MailerCheck and Tomba?
- MailerCheck is an email list verification and deliverability testing tool that validates addresses and tests inbox placement before a send. Tomba is an email finder and verifier with domain search, LinkedIn lookup, phone finding, and company enrichment, charged per valid result.
- Which tool is cheaper, MailerCheck or Tomba?
- Both start at the same $0/mo price point, so cost alone does not separate them. MailerCheck offers 10 free credits for email list verification, while Tomba offers 75 free searches per month with no credit card required, so the better fit depends on expected usage.
- How many integrations do MailerCheck and Tomba each offer?
- MailerCheck lists 7 integrations including MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make. Tomba lists 10 integrations including Hubspot, Pipedrive, Zapier, Make, n8n, Airtable, Mailchimp, Claude, Apify, and Maltego.
- Which tool is better for enterprise buyers?
- Tomba is positioned as better for enterprise buyers who prefer custom pricing and dedicated support, since it offers an Enterprise plan with custom data source onboarding, a named account manager, and a custom SLA. MailerCheck's pricing structure has only two tiers, both usage-based or free.
- Does Tomba or MailerCheck have more pricing tiers?
- Tomba has 4 pricing tiers, Free, Growth, Pay as you go, and Enterprise, while MailerCheck has 2, Free credits and Pay as you go. This gives Tomba more granularity as usage scales, according to the pricing analysis.
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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