MillionVerifier vs Proofy: Data Enrichment Tool Comparison

MillionVerifier vs Proofy: Data Enrichment Tool Comparison

MillionVerifier and Proofy 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, MillionVerifier lists email checker (single) and email list verification (csv), while Proofy lists bulk email verification and single verification in real time. A capability both offer can appear under different names, so read both feature lists below.

MillionVerifier offers a lower entry point at $0/mo compared to Proofy at $5/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

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.

Proofy is Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.

Both platforms offer email verifier api. Where they diverge is in their approach to pricing tiers and advanced capabilities.

Pricing Comparison

FreeMillionVerifier entry plan

Free account

Usage-basedProofy entry plan

Trial pack

MillionVerifier Pricing (as of September 2026)

Source: MillionVerifier Pricing

Proofy Pricing (as of September 2026)

Source: Proofy Pricing

Pricing Analysis

MillionVerifier is more affordable at the entry level ($0/mo vs $5/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.

Proofy offers 4 pricing tiers compared to MillionVerifier's 2, giving you more granularity as you scale.

MillionVerifier includes a free tier, letting you test the platform before committing financially.

Features Breakdown

MillionVerifier lists

• Email Checker (single)
• Email List Verification (CSV)
• Bulk Verifier
• ESP integrations import
• Risky email refund
• EverClean automatic email verification
• and 1 more listed below

Both tools

• Email Verifier API

Proofy lists

• Bulk email verification
• Single verification in real time
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• and 3 more listed below

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

Proofy Key Features

• Bulk email verification
• Single verification in real time
• Email verifier API
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

Shared Capabilities

Both MillionVerifier and Proofy include:

• Email Verifier API

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 MillionVerifier

• Email Checker (single)
• Email List Verification (CSV)
• Bulk Verifier
• ESP integrations import
• Risky email refund
• EverClean automatic email verification
• Credits never expire

Listed only by Proofy

• Bulk email verification
• Single verification in real time
• Duplicate email remover
• ISP detection
• Disposable and temporary detection
• Accept-all detection
• Syntax validation
• SMTP verification
• Mailbox full detection

Integration Ecosystem

MillionVerifier Integrations

MillionVerifier connects with: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.

Proofy Integrations

Proofy connects with: .

Integrations listed only by MillionVerifier: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.

Use Case Recommendations

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

Best Fit for Proofy

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that need a wide feature set (10 capabilities listed)
• Enterprise buyers who prefer custom pricing and dedicated support

Feature Comparison Summary

Getting Started Checklist

1. Define your B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

MillionVerifier and Proofy both serve the B2B lead data and contact enrichment market. MillionVerifier offers a more accessible entry point, while Proofy starts at $5/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 MillionVerifier and Proofy for current information.