Common Room vs MillionVerifier: Data Enrichment Tool Comparison
Compare Common Room and MillionVerifier side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Common Room is a buyer intelligence platform starting at $2500 per month for its Essential plan, offering person360 profiles and account and contact scoring for mid-market and enterprise teams. MillionVerifier is a bulk email verification service with a free entry tier and pay as you go pricing for 50,000 emails, suited to budget-conscious teams needing list cleaning rather than broader buyer intelligence.
Key takeaways
- Common Room's Essential plan costs $2500 per month and includes up to 100k contacts, 5 seats, 5k RoomieAI research credits, and 2.5k Prospector credits.
- MillionVerifier offers a free account with 100 free credits and a pay as you go plan covering 50,000 emails.
- Common Room offers 3 pricing tiers while MillionVerifier offers 2.
- HubSpot is the only integration listed by both Common Room and MillionVerifier.
- Common Room integrates with Slack, Salesforce, GitHub, Discord, LinkedIn, Snowflake, Marketo, Outreach, and Zapier, while MillionVerifier integrates with Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, and Mailjet.
Reviewed and updated September 4, 2026
Common Room vs MillionVerifier: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, Common Room 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, Common Room lists person360 and account & contact scoring, 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.
MillionVerifier offers a lower entry point at $0/mo compared to Common Room at $2500/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
Common Room is Buyer intelligence platform that unifies first-party data, enrichment and real-world buying signals into identity-resolved person and account profiles, with AI agents and embedded workflows.
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
Essential
Free account
Common Room Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Essential | $2500/mo | Up to 100k contacts, 5 seats included, 5k RoomieAI research credits and 2.5k Prospector credits |
| Advanced | Contact Sales | Up to 250k contacts, 15 seats included, 7.5k RoomieAI research credits and 7.5k Prospector credits |
| Enterprise | Contact Sales | Up to 750k contacts, 30 seats included, 10K RoomieAI research credits and 15K Prospector credits |
Source: Common Room 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
MillionVerifier offers the lower entry point ($0/mo vs $2500/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Common Room offers 3 pricing tiers compared to MillionVerifier's 2, giving you more granularity as you scale.
MillionVerifier includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Person360
- Account & Contact Scoring
- Ask CR Anything
- Spark Notifications
- Spark Briefs
- Custom Signals
- and 2 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
Common Room Key Features
- Person360
- Account & Contact Scoring
- Ask CR Anything
- Spark Notifications
- Spark Briefs
- Custom Signals
- Job Changes Tracking
- Aggregated Signals
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 Common Room
- Person360
- Account & Contact Scoring
- Ask CR Anything
- Spark Notifications
- Spark Briefs
- Custom Signals
- Job Changes Tracking
- Aggregated Signals
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
Common Room Integrations
Common Room connects with: Slack, Salesforce, HubSpot, GitHub, Discord, LinkedIn, Snowflake, Marketo, Outreach, Zapier.
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 Common Room: Slack, Salesforce, GitHub, Discord, LinkedIn, Snowflake, Marketo, Outreach, Zapier.
Integrations listed only by MillionVerifier: Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Use Case Recommendations
Best Fit for Common Room
- Mid-market to enterprise teams with established B2B lead data and contact enrichment budgets
- Enterprise buyers who prefer custom pricing and dedicated support
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Best Fit for MillionVerifier
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Feature Comparison Summary
| Feature | Common Room | MillionVerifier |
|---|---|---|
| Starting Price | $2500/mo | Free |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 8 | 8 |
| Integrations | 10 | 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
Common Room and MillionVerifier both serve the B2B lead data and contact enrichment market. MillionVerifier offers a more accessible entry point, while Common Room starts at $2500/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 Common Room and MillionVerifier for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Common Room and MillionVerifier?
- Common Room is a buyer intelligence platform that combines first-party data, enrichment, and buying signals into identity-resolved person and account profiles. MillionVerifier is a bulk email verification service that cleans uploaded lists, checks single addresses in real time, and verifies through an API. They solve different core problems despite both touching contact data.
- How much does Common Room cost?
- Common Room's Essential plan costs $2500 per month and includes up to 100k contacts, 5 seats, 5k RoomieAI research credits, and 2.5k Prospector credits. The Advanced and Enterprise tiers require contacting sales for pricing and offer higher contact limits and seat counts.
- Is MillionVerifier free to use?
- MillionVerifier offers a free account with 100 free credits, along with a pay as you go plan covering 50,000 emails at usage-based pricing. This lets teams evaluate the platform before committing to a paid plan.
- Which integrations do Common Room and MillionVerifier share?
- HubSpot is the only integration listed by both tools. Common Room additionally connects with Slack, Salesforce, GitHub, Discord, LinkedIn, Snowflake, Marketo, Outreach, and Zapier, while MillionVerifier connects with Mailchimp, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, and Mailjet.
- Which tool is better for budget-conscious teams?
- MillionVerifier is better suited for budget-conscious teams, offering a free tier and usage-based pricing starting at $0 per month compared to Common Room's $2500 per month entry plan. Common Room is aimed at mid-market to enterprise teams with established budgets for contact enrichment.
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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