mailfloss vs Revenue.io: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare mailfloss (data enrichment tool) and Revenue.io (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
mailfloss is a data enrichment tool for cleaning and verifying B2B contact lists, starting at $29 per month, while Revenue.io is a Salesforce native sales engagement platform for dialing, coaching, and multichannel outreach with custom pricing. They solve different problems, so teams focused on contact data accuracy pick mailfloss, and teams coordinating outreach across channels pick Revenue.io, often running both.
Key takeaways
- mailfloss starts at $29 per month for its Lite plan, which includes 10,000 credits per month.
- mailfloss offers four pricing tiers: Lite, Business, Pro, and a usage based prepaid credits option.
- Revenue.io uses custom, contact sales pricing across its three tiers: Activate, Engage, and Orchestrate.
- Revenue.io's plans are built for Salesforce teams of 15 or more seats.
- Revenue.io lists local presence dialing in more than 40 countries as a key feature.
Reviewed and updated September 4, 2026
mailfloss vs Revenue.io: Data Enrichment Tool vs Sales Engagement Platform Comparison
mailfloss (data enrichment tool) and Revenue.io (sales engagement platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
mailfloss is a data enrichment tool for B2B lead data and contact enrichment; Revenue.io is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, mailfloss lists cleans your list daily and removes addresses that decay over time, and Revenue.io lists salesforce-native dialer with auto-logged calls and power, preview and auto dialing modes.
mailfloss publishes an entry price of $29/mo; Revenue.io uses custom pricing, so the two cannot be compared on list price.
If your priority is finding accurate contact data for target accounts, mailfloss is the one built for it; for coordinating outreach across email, phone, and social channels, that is Revenue.io. Many teams run one of each.
Understanding the Core Difference
mailfloss is mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.
Revenue.io is Salesforce-native revenue platform that combines dialing, real-time coaching, conversation intelligence and guided-selling cadences across call, email and SMS, with every interaction logged in Salesforce.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Lite
Activate
mailfloss Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Lite | $29/mo | 10,000 credits/month |
| Business | $59/mo | 25,000 credits/month |
| Pro | $209/mo | 125,000 credits/month |
| Prepaid credits | Usage-based | - |
Source: mailfloss Pricing
Revenue.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Activate | Contact Sales | Built for Salesforce teams of 15+ seats |
| Engage | Contact Sales | Built for Salesforce teams of 15+ seats |
| Orchestrate | Contact Sales | Built for Salesforce teams of 15+ seats |
Source: Revenue.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.
mailfloss offers 4 pricing tiers compared to Revenue.io's 3, giving you more granularity as you scale.
Features Breakdown
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- and 4 more listed below
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- and 4 more listed below
mailfloss Key Features
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Revenue.io Key Features
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- Email and SMS sequencing
- AI-assisted email drafting
- Conversation intelligence with talk metrics and sentiment analysis
- Deal Health Scores and Revenue Intelligence dashboards
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 mailfloss
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Listed only by Revenue.io
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- Email and SMS sequencing
- AI-assisted email drafting
- Conversation intelligence with talk metrics and sentiment analysis
- Deal Health Scores and Revenue Intelligence dashboards
Integration Ecosystem
mailfloss Integrations
mailfloss connects with: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Revenue.io Integrations
Revenue.io connects with: Salesforce, HubSpot, Microsoft Teams, Microsoft Outlook, Zoom, Gmail, Google Meet, Google Calendar, LinkedIn.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by mailfloss: Mailchimp, Klaviyo, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Integrations listed only by Revenue.io: Salesforce, Microsoft Teams, Microsoft Outlook, Zoom, Gmail, Google Meet, Google Calendar, LinkedIn.
Use Case Recommendations
Best Fit for mailfloss
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (29 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Revenue.io
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
Feature Comparison Summary
| Feature | mailfloss | Revenue.io |
|---|---|---|
| Starting Price | $29/mo | Contact Sales |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 29 | 9 |
| Founded | N/A | 2012 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and sequences and engagement actions 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
mailfloss serves the B2B lead data and contact enrichment side of an outbound stack and Revenue.io the multi-channel sales outreach and engagement tracking side. mailfloss publishes an entry price of $29/mo, while Revenue.io 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 mailfloss and Revenue.io for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between mailfloss and Revenue.io?
- mailfloss is a data enrichment tool that cleans and verifies B2B contact lists, while Revenue.io is a Salesforce native sales engagement platform for dialing, coaching, and multichannel outreach. One focuses on contact data quality, the other on coordinating and tracking sales conversations across email, phone, and social channels.
- How much does mailfloss cost compared to Revenue.io?
- mailfloss publishes clear pricing starting at $29 per month for its Lite plan with 10,000 credits per month, up to $209 per month for its Pro plan with 125,000 credits per month. Revenue.io does not publish list prices and instead uses custom, contact sales pricing across its Activate, Engage, and Orchestrate tiers.
- Can mailfloss and Revenue.io be used together?
- Yes, the article notes that many teams run one of each since the tools serve different jobs. mailfloss handles finding and maintaining accurate contact data, while Revenue.io handles coordinating outreach and engagement across email, phone, and social channels.
- Is Revenue.io suitable for small sales teams?
- Based on its pricing structure, Revenue.io's Activate, Engage, and Orchestrate plans are built for Salesforce teams of 15 or more seats, suggesting it is designed with larger sales organizations in mind rather than very small teams.
- What integrations does mailfloss support?
- mailfloss connects with a wide range of email marketing and CRM platforms including Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, Intercom, Customer.io, and Zapier, among others, allowing it to fit into many existing outbound stacks.
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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