Groove by Clari vs MailRush.io: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Groove by Clari (sales engagement platform) and MailRush.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Groove by Clari and MailRush.io serve different parts of the outreach stack, so the choice depends on need rather than direct competition. Groove by Clari is a Salesforce-native sales engagement platform for multi-channel outreach and engagement tracking, priced via custom quote. MailRush.io is a cold email platform starting at $19/mo with unlimited email warming and validation included. Many teams use both together.
Key takeaways
- MailRush.io publishes an entry price of $19/mo, while Groove by Clari uses custom, contact-sales pricing with no published list price.
- MailRush.io offers three pricing tiers (Starter at $19/mo, Pro at $39/mo, and Scale at $99/mo), compared to Groove by Clari's single published plan.
- The MailRush.io Starter plan supports up to 1,000 contacts and up to 5,000 emails per month, while the Scale plan supports up to 50,000 contacts and up to 25,000 emails per month.
- Groove by Clari integrates with Salesforce, Gmail, Microsoft Outlook, Microsoft 365, Google Calendar, LinkedIn Sales Navigator, Clari, Zoom, and Slack, while MailRush.io integrates with SMTP, IMAP, Zapier, and Webhooks.
- MailRush.io includes email warmup and email validation in every plan, features not listed on Groove by Clari's own feature list.
Reviewed and updated September 21, 2026
Groove by Clari is a sales engagement platform; MailRush.io is a cold email platform. 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, cold email outreach 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; MailRush.io is a cold email platform for cold email outreach. By each vendor's own wording, Groove by Clari lists deep salesforce integration and multi-channel engagement flows, and MailRush.io lists unlimited senders and unlimited email warming.
MailRush.io publishes an entry price of $19/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 sending campaigns that land in the inbox and generate replies, that is MailRush.io. 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.
MailRush.io is Cold email software that automates outreach and multi-step follow-ups from your own SMTP/IMAP mailboxes or MailRush-provided sending accounts. Email warmup and email validation are included in every plan.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Groove
Starter
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
MailRush.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $19/mo | Up to 1,000 contacts | Up to 5,000 emails per month; up to 1,000 emails per day |
| Pro | $39/mo | Up to 30,000 contacts | Up to 10,000 emails per month; up to 1,500 emails per day |
| Scale | $99/mo | Up to 50,000 contacts | Up to 25,000 emails per month; up to 3,000 emails per day |
Source: MailRush.io 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.
MailRush.io offers 3 pricing tiers compared to Groove by Clari's 1, giving you more granularity as you scale.
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
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- and 5 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
MailRush.io Key Features
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
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 MailRush.io
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
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.
MailRush.io Integrations
MailRush.io connects with: SMTP, IMAP, Zapier, Webhooks.
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 MailRush.io: SMTP, IMAP, Zapier, Webhooks.
Use Case Recommendations
Best Fit for Groove by Clari
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- 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 MailRush.io
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (11 capabilities listed)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | Groove by Clari | MailRush.io |
|---|---|---|
| Starting Price | Contact Sales | $19/mo |
| Top Tier Price | Contact Sales | $99/mo |
| Total Features Listed | 10 | 11 |
| Integrations | 9 | 4 |
| Founded | 2014 | N/A |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and cold email outreach requirements and monthly budget
- Estimate your expected sequences and engagement actions and email sending volume 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 MailRush.io the cold email outreach side. MailRush.io publishes an entry price of $19/mo, 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 MailRush.io 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 MailRush.io?
- Groove by Clari is a Salesforce-native sales engagement platform built for multi-channel outreach, engagement tracking, and logging activity directly into Salesforce. MailRush.io is a cold email platform focused specifically on sending cold email campaigns, including unlimited email warming and validation. They address different parts of the outreach workflow rather than competing head-to-head.
- How much does MailRush.io cost compared to Groove by Clari?
- MailRush.io publishes an entry price of $19/mo for its Starter plan, with Pro at $39/mo and Scale at $99/mo. Groove by Clari does not publish list pricing and instead requires contacting sales for a custom quote, so the two cannot be directly compared on price.
- Can I use both Groove by Clari and MailRush.io together?
- Yes, the article notes that many teams run one of each. Groove by Clari can be used for coordinating multi-channel outreach across email, phone, and social while keeping activity logged in Salesforce, while MailRush.io can be used specifically for sending cold email campaigns designed to land in the inbox.
- Does MailRush.io include email warming and validation in its pricing?
- Yes, according to the article, email warmup and email validation are included in every MailRush.io plan, from the $19/mo Starter tier up through the $99/mo Scale tier. MailRush.io also lists unlimited senders and unlimited email warming among its key features.
- What integrations does Groove by Clari support that MailRush.io does not?
- Groove by Clari lists integrations with Salesforce, Gmail, Microsoft Outlook, Microsoft 365, Google Calendar, LinkedIn Sales Navigator, Clari, Zoom, and Slack. MailRush.io, by contrast, lists integrations with SMTP, IMAP, Zapier, and Webhooks, reflecting its narrower focus on cold email sending rather than broader sales workflow tools.
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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