MillionVerifier vs UserGems: Data Enrichment Tool Comparison

MillionVerifier vs UserGems: Data Enrichment Tool Comparison

If you are comparing B2B lead data and contact enrichment tools, MillionVerifier and UserGems 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, MillionVerifier lists email checker (single) and email list verification (csv), while UserGems lists build list (create & enrich) and account & contact scoring. 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 UserGems at $3333/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.

UserGems is Surfaces companies and buyers showing buying signals, then discovers, enriches and scores the matching accounts and contacts. Deploys AI agents to run outbound and account-based marketing from those signals.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

FreeMillionVerifier entry plan

Free account

$3333/moUserGems entry plan

Core

MillionVerifier Pricing (as of September 2026)

Source: MillionVerifier Pricing

UserGems Pricing (as of September 2026)

Source: UserGems Pricing

Pricing Analysis

MillionVerifier is more affordable at the entry level ($0/mo vs $3333/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.

UserGems offers 3 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
• Email Verifier API
• ESP integrations import
• Risky email refund
• and 2 more listed below

UserGems lists

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• and 2 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

UserGems Key Features

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• Contact-level Intent & Web Deanonymization
• CRM Hygiene

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
• Email Verifier API
• ESP integrations import
• Risky email refund
• EverClean automatic email verification
• Credits never expire

Listed only by UserGems

• Build List (create & enrich)
• Account & Contact Scoring
• Automated Campaigns
• Writing Agent
• Research Agent
• AI Co-pilot Chrome Extension
• Contact-level Intent & Web Deanonymization
• CRM Hygiene

Integration Ecosystem

MillionVerifier Integrations

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

UserGems Integrations

UserGems connects with: Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.

Shared Integrations

Both tools integrate with: Hubspot.

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

Integrations listed only by UserGems: Salesforce, Outreach, Salesloft, Gong Engage, Linkedin, Meta, Google.

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 UserGems

• Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation
• Sales teams researching target accounts

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 UserGems both serve the B2B lead data and contact enrichment market. MillionVerifier offers a more accessible entry point, while UserGems starts at $3333/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 UserGems for current information.