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

MailerCheck and VoilaNorbert are both B2B lead data and contact enrichment tools, but they differ in focus and price. MailerCheck starts free and focuses on email list verification and deliverability testing. VoilaNorbert starts at $49/mo and focuses on finding contact emails from a name and company domain, plus enrichment and sequences.
Key takeaways
- MailerCheck offers a free entry plan with 10 free credits for email list verification, while VoilaNorbert's entry plan, Valet, costs $49/mo for up to 1,000 leads.
- MailerCheck's pay as you go pricing charges $0.01 per credit, where 1 credit equals 1 email verification.
- VoilaNorbert offers 4 pricing tiers ranging from Valet at $49/mo to Counselor at $499/mo for up to 50,000 leads/month.
- MailerCheck integrates with 7 platforms including MailerLite, ActiveCampaign, GetResponse, ConvertKit, and Make, while VoilaNorbert integrates with 10 including Salesforce, Pipedrive, Hubspot, and SendGrid.
- Both MailerCheck and VoilaNorbert list 8 features each on their own pages, and both integrate with Mailchimp and Zapier.
Reviewed and updated September 4, 2026
MailerCheck vs VoilaNorbert: Data Enrichment Tool Comparison
MailerCheck and VoilaNorbert 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, MailerCheck lists email list verification and email insights, while VoilaNorbert lists email finder and email verification. 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 VoilaNorbert at $49/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
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.
VoilaNorbert is Email finder that returns a contact email address from a person name and a company domain. Also verifies email lists, enriches leads and sends email sequences.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison

Free credits
Valet
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
VoilaNorbert Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Valet | $49/mo | Up to 1,000 leads/month |
| Butler | $99/mo | Up to 5,000 leads/month |
| Advisor | $249/mo | Up to 15,000 leads/month |
| Counselor | $499/mo | Up to 50,000 leads/month |
Source: VoilaNorbert Pricing
Pricing Analysis
MailerCheck 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, this price difference matters.
VoilaNorbert offers 4 pricing tiers compared to MailerCheck's 2, giving you more granularity as you scale.
MailerCheck includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Email list verification
- Email Insights
- Inbox Placement
- Real-time API verification
- Usage report
- Single address verification
- and 2 more listed below
- Email finder
- Email verification
- Enrichment
- Sequences
- Chrome Extension
- Google Sheets Add-On
- 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
VoilaNorbert Key Features
- Email finder
- Email verification
- Enrichment
- Sequences
- Chrome Extension
- Google Sheets Add-On
- Bulk & API usage included
- Credit rollover
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 VoilaNorbert
- Email finder
- Email verification
- Enrichment
- Sequences
- Chrome Extension
- Google Sheets Add-On
- Bulk & API usage included
- Credit rollover
Integration Ecosystem

MailerCheck Integrations
MailerCheck connects with: MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, Make.
VoilaNorbert Integrations
VoilaNorbert connects with: Zapier, Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, Mailchimp, SendGrid, Formstack.
Shared Integrations
Both tools integrate with: Mailchimp, Zapier.
Integrations listed only by MailerCheck: MailerLite, ActiveCampaign, GetResponse, ConvertKit, Make.
Integrations listed only by VoilaNorbert: Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, SendGrid, Formstack.
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 VoilaNorbert
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (10 integrations)
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Feature Comparison Summary
| Feature | MailerCheck | VoilaNorbert |
|---|---|---|
| Starting Price | Free | $49/mo |
| Top Tier Price | Usage-based | $499/mo |
| 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 VoilaNorbert both serve the B2B lead data and contact enrichment market. MailerCheck offers a more accessible entry point, while VoilaNorbert 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 MailerCheck and VoilaNorbert for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between MailerCheck and VoilaNorbert?
- MailerCheck is an email list verification and deliverability testing tool that validates addresses and tests inbox placement before sending. VoilaNorbert is an email finder that returns a contact email from a person's name and company domain, and also verifies lists, enriches leads, and sends email sequences.
- Which tool is cheaper to start with, MailerCheck or VoilaNorbert?
- MailerCheck is cheaper to start with, offering a free plan with 10 free credits for email list verification. VoilaNorbert's entry plan, Valet, starts at $49/mo for up to 1,000 leads per month.
- How many integrations does each tool offer?
- MailerCheck lists 7 integrations, including MailerLite, Mailchimp, ActiveCampaign, GetResponse, ConvertKit, Zapier, and Make. VoilaNorbert lists 10 integrations, including Zapier, Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, Mailchimp, SendGrid, and Formstack. Both tools share Mailchimp and Zapier integrations.
- What are VoilaNorbert's pricing tiers?
- VoilaNorbert offers four pricing tiers: Valet at $49/mo for up to 1,000 leads, Butler at $99/mo for up to 5,000 leads, Advisor at $249/mo for up to 15,000 leads, and Counselor at $499/mo for up to 50,000 leads per month.
- Who should choose MailerCheck versus VoilaNorbert?
- MailerCheck fits budget-conscious teams that want to start free and scale up, as well as revenue operations and marketing teams enriching CRM data. VoilaNorbert fits organizations with complex tech stacks needing broad integration support, since it lists 10 integrations compared to MailerCheck's 7.
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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