Groove by Clari vs MillionVerifier: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Groove by Clari (sales engagement platform) and MillionVerifier (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Groove by Clari is a Salesforce-native sales engagement platform for multi-channel outreach and engagement tracking, while MillionVerifier is a bulk email verification tool for cleaning contact lists. Groove uses custom, contact-sales pricing; MillionVerifier offers a free account with 100 credits plus usage-based pay-as-you-go pricing. Many teams use both together rather than choosing one over the other.
Key takeaways
- Groove by Clari lists deep Salesforce integration and multi-channel engagement flows as core features, with all activity auto-logged to Salesforce.
- MillionVerifier lists a single email checker, CSV list verification, a bulk verifier, and an Email Verifier API among its core features.
- MillionVerifier publishes an entry price of $0 per month with a free account offering 100 free credits, plus a pay-as-you-go tier for 50,000 emails.
- Groove by Clari uses custom, contact-sales pricing with only one published plan tier, compared to MillionVerifier's two pricing tiers.
- Groove by Clari integrates with Salesforce, Gmail, Microsoft Outlook, LinkedIn Sales Navigator, Zoom, and Slack, while MillionVerifier integrates with Mailchimp, Hubspot, Zoho CRM, and other email marketing platforms.
Reviewed and updated September 21, 2026
Groove by Clari is a sales engagement platform; MillionVerifier is a data enrichment tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: multi-channel sales outreach and engagement tracking on one side, B2B lead data and contact enrichment on the other. This guide lays out what each vendor publishes.
The Quick Answer
Groove by Clari is a sales engagement platform for multi-channel sales outreach and engagement tracking; MillionVerifier is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Groove by Clari lists deep salesforce integration and multi-channel engagement flows, and MillionVerifier lists email checker (single) and email list verification (csv).
MillionVerifier publishes an entry price of $0/mo; Groove by Clari uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, Groove by Clari is the one built for it; for finding accurate contact data for target accounts, that is MillionVerifier. Many teams run one of each.
Understanding the Core Difference
Groove by Clari is Salesforce-native sales engagement platform (part of Clari, which merged with Salesloft in December 2025) that automates email sequences, logging, and analytics while keeping all activity data natively in Salesforce.
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
Groove
Free account
Groove by Clari Pricing (as of September 2026)
| Plan | Price |
|---|---|
| Groove | Contact Sales |
Groove's product and pricing pages on clari.com now redirect to Salesloft. Clari and Salesloft completed their merger on December 3, 2025, and Salesloft's merger page says the two "are now operating as one company, with Salesloft as our go-forward company and platform brand." Salesloft's site still offers a Groove login, and the merged company's customer FAQ says it has no current plans for required migrations from one product to the other. The Groove details above describe the product as Clari listed it, so confirm current packaging and price with Salesloft.
Sources: Clari and Salesloft complete merger, Salesloft and Clari are now one company, merger customer FAQ
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
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
MillionVerifier offers 2 pricing tiers compared to Groove by Clari's 1, giving you more granularity as you scale.
MillionVerifier includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Deep Salesforce integration
- Multi-channel engagement flows
- Auto-logging of all activities to Salesforce
- Email tracking with open and click analytics
- Dialer with call logging and recording
- Meeting scheduler with calendar integration
- 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
Groove by Clari Key Features
- Deep Salesforce integration
- Multi-channel engagement flows
- Auto-logging of all activities to Salesforce
- Email tracking with open and click analytics
- Dialer with call logging and recording
- Meeting scheduler with calendar integration
- Analytics dashboards for sequence performance
- Template and snippet management
- Revenue intelligence (via Clari platform)
- Account-based engagement workflows
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 Groove by Clari
- Deep Salesforce integration
- Multi-channel engagement flows
- Auto-logging of all activities to Salesforce
- Email tracking with open and click analytics
- Dialer with call logging and recording
- Meeting scheduler with calendar integration
- Analytics dashboards for sequence performance
- Template and snippet management
- Revenue intelligence (via Clari platform)
- Account-based engagement workflows
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
Groove by Clari Integrations
Groove by Clari connects with: Salesforce, Gmail, Microsoft Outlook, Microsoft 365, Google Calendar, LinkedIn Sales Navigator, Clari, Zoom, Slack.
MillionVerifier Integrations
MillionVerifier connects with: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Integrations listed only by Groove by Clari: Salesforce, Gmail, Microsoft Outlook, Microsoft 365, Google Calendar, LinkedIn Sales Navigator, Clari, Zoom, Slack.
Integrations listed only by MillionVerifier: Mailchimp, Hubspot, Zoho CRM, Getresponse, AWeber, MailerLite, Drip, Campaign Monitor, Mailgun, Mailjet.
Use Case Recommendations
Best Fit for Groove by Clari
- Teams that need a wide feature set (10 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
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 | Groove by Clari | MillionVerifier |
|---|---|---|
| Starting Price | Contact Sales | Free |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 10 | 8 |
| Integrations | 9 | 10 |
| Founded | 2014 | N/A |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions and 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
Groove by Clari serves the multi-channel sales outreach and engagement tracking side of an outbound stack and MillionVerifier the B2B lead data and contact enrichment side. MillionVerifier publishes an entry price (a free tier), while Groove by Clari uses custom pricing for its plans, so compare on features and on the quote you receive. 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 for current information; Groove's former page on clari.com now redirects to Salesloft.
Frequently asked questions.
Frequently asked questions- What is the main difference between Groove by Clari and MillionVerifier?
- Groove by Clari is a sales engagement platform built for multi-channel sales outreach and engagement tracking, natively integrated with Salesforce. MillionVerifier is a data enrichment tool focused on B2B lead data and email contact verification. They serve different parts of the sales workflow, so many teams use one of each rather than choosing between them.
- How much does Groove by Clari cost compared to MillionVerifier?
- Groove by Clari uses custom, contact-sales pricing with only one published plan, so no list price is available. MillionVerifier publishes a free account with 100 free credits and a pay-as-you-go tier covering 50,000 emails. Because Groove's pricing is not published, the two cannot be compared directly on list price.
- Does MillionVerifier have a free plan?
- Yes, MillionVerifier offers a free account that includes 100 free credits, which lets teams evaluate the platform before committing to a paid, usage-based pay-as-you-go tier covering 50,000 emails.
- What integrations does Groove by Clari support?
- Groove by Clari connects with Salesforce, Gmail, Microsoft Outlook, Microsoft 365, Google Calendar, LinkedIn Sales Navigator, Clari, Zoom, and Slack. This integration set is focused on sales engagement and calendar or communication tools rather than email marketing platforms.
- Can Groove by Clari and MillionVerifier be used together?
- Yes, the article notes that many teams run one of each because they solve different problems: Groove by Clari handles multi-channel outreach and engagement tracking, while MillionVerifier handles finding and verifying accurate contact data for 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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