MillionVerifier vs UserGems: Data Enrichment Tool Comparison
Compare MillionVerifier and UserGems side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
MillionVerifier and UserGems solve different problems: MillionVerifier is a bulk email verification service starting free, while UserGems surfaces buying signals and enriches accounts and contacts starting at $3333/mo. MillionVerifier suits budget-conscious teams needing email list cleaning, while UserGems fits mid-market to enterprise teams with established enrichment budgets doing account-based marketing.
Key takeaways
- MillionVerifier's Free account plan costs $0/mo and includes 100 free credits, while its Pay as you go plan covers 50,000 emails on usage-based pricing.
- UserGems pricing has three tiers: Core at $3333/mo for 4,000,000 credits, Advanced at $6250/mo for 10,000,000 credits, and Elite at $12500/mo for 25,000,000 credits.
- MillionVerifier lists 8 features including Email Checker (single), Bulk Verifier, and Credits never expire, while UserGems lists 8 features including Build List, Writing Agent, and CRM Hygiene.
- MillionVerifier integrates with 10 platforms such as Mailchimp, Hubspot, Zoho CRM, and Mailgun, while UserGems integrates with 8 platforms such as Salesforce, Outreach, and Salesloft, with Hubspot shared by both.
- MillionVerifier is recommended for budget-conscious teams and organizations needing broad integration support, while UserGems is recommended for revenue operations, marketing, and sales teams at mid-market to enterprise companies.
Reviewed and updated September 4, 2026
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
Free account
Core
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
UserGems Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Core | $3333/mo | 4,000,000 credits |
| Advanced | $6250/mo | 10,000,000 credits |
| Elite | $12500/mo | 25,000,000 credits |
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
- Email Checker (single)
- Email List Verification (CSV)
- Bulk Verifier
- Email Verifier API
- ESP integrations import
- Risky email refund
- and 2 more listed below
- 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
| Feature | MillionVerifier | UserGems |
|---|---|---|
| Starting Price | Free | $3333/mo |
| Top Tier Price | Usage-based | $12500/mo |
| Total Features Listed | 8 | 8 |
| Integrations | 10 | 8 |
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
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.
Frequently asked questions.
Frequently asked questions- What is the main difference between MillionVerifier and UserGems?
- MillionVerifier is a bulk email verification service that cleans uploaded lists and checks addresses in real time, while UserGems surfaces companies and buyers showing buying signals, then discovers, enriches, and scores matching accounts and contacts. They take different approaches to B2B lead data and contact enrichment.
- How much does MillionVerifier cost compared to UserGems?
- MillionVerifier starts free with a Free account plan offering 100 free credits, plus a Pay as you go plan covering 50,000 emails on usage-based pricing. UserGems starts at $3333/mo for its Core plan with 4,000,000 credits, rising to $6250/mo for Advanced and $12500/mo for Elite.
- Which tool has more integrations, MillionVerifier or UserGems?
- MillionVerifier lists 10 integrations including Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, and Mailjet. UserGems lists 8 integrations including Salesforce, Hubspot, Outreach, Salesloft, Gong Engage, Linkedin, Meta, and Google. Hubspot is the only integration shared by both.
- Who should use MillionVerifier instead of UserGems?
- MillionVerifier suits budget-conscious teams looking for an affordable data enrichment tool, organizations with complex tech stacks needing broad integration support across 10 platforms, and teams that want to start free and scale up as needs grow.
- Who should use UserGems instead of MillionVerifier?
- UserGems fits mid-market to enterprise teams with established B2B lead data and contact enrichment budgets, including revenue operations teams building targeted prospect lists, marketing teams enriching CRM data for segmentation, and sales teams researching target accounts.
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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