Apollo.io vs MillionVerifier: Data Enrichment Tool Comparison
Compare Apollo.io and MillionVerifier side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Apollo.io is an all-in-one sales intelligence platform listing 210M+ contacts, 30M+ companies, AI-powered campaigns, and 7 integrations including Salesforce and HubSpot, while MillionVerifier is a bulk email verification service listing 8 features and 10 integrations including Mailchimp and Zoho CRM. Both start free, so the right pick depends on whether you need sales intelligence or list cleaning.
Key takeaways
- Apollo.io's free plan grants 900 credits per seat per year, issued monthly, while its Basic tier costs $49/mo for 30,000 credits per seat per year granted upfront.
- Apollo.io's top Organization tier costs $119/mo and includes 72,000 credits per seat per year.
- MillionVerifier's free account includes 100 free credits, and its pay as you go plan covers 50,000 emails at usage-based pricing.
- Apollo.io lists 10 total features and 7 integrations, while MillionVerifier lists 8 total features and 10 integrations.
- HubSpot is the only integration both Apollo.io and MillionVerifier list in common.
Reviewed and updated September 4, 2026
Apollo.io vs MillionVerifier: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, Apollo.io 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, Apollo.io lists 210m+ contacts database and 30m+ companies, 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
Apollo.io is All-in-one sales intelligence platform with 210M+ contacts, AI-powered campaigns, and built-in email sequencing.
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
Apollo.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 900 credits per seat per year, granted monthly |
| Basic | $49/mo | 30,000 credits per seat per year, granted upfront |
| Professional | $79/mo | 48,000 credits per seat per year, granted upfront |
| Organization | $119/mo | 72,000 credits per seat per year, granted upfront |
Source: Apollo.io 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.
Apollo.io 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
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- and 4 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
Apollo.io Key Features
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
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 Apollo.io
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
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
Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.
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 Apollo.io: Salesforce, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.
Integrations listed only by MillionVerifier: Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Use Case Recommendations
Best Fit for Apollo.io
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
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 | Apollo.io | MillionVerifier |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | $119/mo | Usage-based |
| Total Features Listed | 10 | 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
Apollo.io and MillionVerifier both serve the B2B lead data and contact enrichment market. Apollo.io 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 Apollo.io and MillionVerifier for current information.
Frequently asked questions.
Frequently asked questions- Is Apollo.io or MillionVerifier cheaper?
- Both tools start at $0 per month with a free tier. Apollo.io's top tier costs $119/mo for 72,000 credits per seat per year, while MillionVerifier's paid option is a usage-based pay as you go plan covering 50,000 emails.
- What integrations does Apollo.io offer?
- Apollo.io connects with Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, and LinkedIn. That gives it 7 listed integrations, fewer than MillionVerifier's 10, but it includes major CRM and sales engagement platforms.
- What integrations does MillionVerifier support?
- MillionVerifier connects with Mailchimp, HubSpot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, and Mailjet. That totals 10 listed integrations, more than Apollo.io, and is focused heavily on email marketing platforms.
- What's the main difference between Apollo.io and MillionVerifier?
- Apollo.io is an all-in-one sales intelligence platform with a 210M+ contact database, AI-powered campaigns, and built-in email sequencing. MillionVerifier is a bulk email verification service that cleans uploaded lists, checks single addresses in real time, and verifies through an API.
- Which tool has more features, Apollo.io or MillionVerifier?
- Apollo.io lists 10 total features compared to MillionVerifier's 8, according to the feature comparison summary. Apollo.io's features include contact and company enrichment, advanced filtering, and pipeline boards, while MillionVerifier's include bulk verification, an API, and automatic email verification.
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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