ContactOut vs MillionVerifier: Data Enrichment Tool Comparison
Compare ContactOut and MillionVerifier side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
ContactOut is an email and phone finder built around a LinkedIn browser extension, AI email campaigns, and a 700M+ profile bulk license, while MillionVerifier is a bulk email verification service that cleans lists, checks single addresses in real time, and verifies via API. Both start free, so the choice depends on feature fit and integration needs.
Key takeaways
- ContactOut pricing ranges from a free plan to $99/mo for the Email + Phone tier, with the Team/API tier requiring contact sales.
- MillionVerifier offers a free account with 100 free credits and a pay-as-you-go plan covering 50,000 emails.
- ContactOut lists 9 features and integrates with 8 platforms, including Salesforce, HubSpot, Greenhouse, and Zapier.
- MillionVerifier lists 8 features and integrates with 10 platforms, including Mailchimp, HubSpot, and Zoho CRM.
- ContactOut was founded in 2015, while MillionVerifier's founding year is not listed.
Reviewed and updated September 4, 2026
ContactOut vs MillionVerifier: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, ContactOut and MillionVerifier will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, ContactOut lists one user per company limit on free, email and email + phone plans and browser extension for linkedin, while MillionVerifier lists email checker (single) and email list verification (csv). 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
ContactOut is Email and phone finder with a LinkedIn-focused browser extension, AI-powered email campaigns, and a 700M+ profile bulk license on the Team plan.
MillionVerifier is Bulk email verification service that cleans uploaded lists, checks single addresses in real time and verifies through an API. Connects to email marketing platforms to import lists and remove bad addresses automatically.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
ContactOut Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 5 emails, 5 phones and 5 exports per day | 5 emails / day |
| $49/mo | 300 exports / month | Unlimited emails | |
| Email + Phone | $99/mo | 600 exports / month | Unlimited emails and unlimited phones |
| Team / API | Contact Sales | Bulk license, 700M+ profiles | Contact us |
Source: ContactOut Pricing
MillionVerifier Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Free account | Free | 100 free credits |
| Pay as you go | Usage-based | 50,000 emails |
Source: MillionVerifier 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.
ContactOut offers 4 pricing tiers compared to MillionVerifier'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
- One user per company limit on Free, Email and Email + Phone plans
- Browser extension for LinkedIn
- Email campaigns
- AI email writer
- Data enrichment
- List builder
- and 3 more listed below
- Email Checker (single)
- Email List Verification (CSV)
- Bulk Verifier
- Email Verifier API
- ESP integrations import
- Risky email refund
- and 2 more listed below
ContactOut Key Features
- One user per company limit on Free, Email and Email + Phone plans
- Browser extension for LinkedIn
- Email campaigns
- AI email writer
- Data enrichment
- List builder
- Search portal
- Bulk license (700M+ profiles on Team)
- CSV export
MillionVerifier Key Features
- Email Checker (single)
- Email List Verification (CSV)
- Bulk Verifier
- Email Verifier API
- ESP integrations import
- Risky email refund
- EverClean automatic email verification
- Credits never expire
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 ContactOut
- One user per company limit on Free, Email and Email + Phone plans
- Browser extension for LinkedIn
- Email campaigns
- AI email writer
- Data enrichment
- List builder
- Search portal
- Bulk license (700M+ profiles on Team)
- CSV export
Listed only by MillionVerifier
- Email Checker (single)
- Email List Verification (CSV)
- Bulk Verifier
- Email Verifier API
- ESP integrations import
- Risky email refund
- EverClean automatic email verification
- Credits never expire
Integration Ecosystem
ContactOut Integrations
ContactOut connects with: Salesforce, HubSpot, Greenhouse, Lever, Bullhorn, Zapier, Gmail, Outlook.
MillionVerifier Integrations
MillionVerifier connects with: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by ContactOut: Salesforce, Greenhouse, Lever, Bullhorn, Zapier, Gmail, Outlook.
Integrations listed only by MillionVerifier: Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Use Case Recommendations
Best Fit for ContactOut
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (9 capabilities listed)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for MillionVerifier
- 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
Feature Comparison Summary
| Feature | ContactOut | MillionVerifier |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 9 | 8 |
| Integrations | 8 | 10 |
| Founded | 2015 | 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
ContactOut and MillionVerifier both serve the B2B lead data and contact enrichment market. ContactOut offers a more accessible entry point, while MillionVerifier 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 ContactOut and MillionVerifier for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between ContactOut and MillionVerifier?
- ContactOut is an email and phone finder built around a LinkedIn browser extension, AI email campaigns, and a bulk profile license, while MillionVerifier is a bulk email verification service that checks and cleans email lists. Both target B2B contact data workflows but solve different parts of the problem.
- How much does ContactOut cost?
- ContactOut has a free plan with 5 emails, 5 phones, and 5 exports per day, an Email plan at $49/mo with 300 exports per month, an Email + Phone plan at $99/mo with 600 exports and unlimited emails and phones, and a Team/API plan with a 700M+ profile bulk license available through contact sales.
- How much does MillionVerifier cost?
- MillionVerifier offers a free account with 100 free credits and a pay-as-you-go plan that is usage-based and covers 50,000 emails. It has only two pricing tiers, compared to ContactOut's four tiers.
- Which integrations do ContactOut and MillionVerifier share?
- The only integration listed by both tools is HubSpot. ContactOut also connects with Salesforce, Greenhouse, Lever, Bullhorn, Zapier, Gmail, and Outlook, while MillionVerifier connects with Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, and Mailjet.
- Which tool is better for a budget-conscious team?
- Both tools suit budget-conscious teams since each offers a free tier before requiring payment. ContactOut fits teams needing a wide feature set of 9 capabilities, while MillionVerifier fits organizations with complex tech stacks that need broad integration support across 10 platforms.
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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