Gong vs mailfloss: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Gong (sales engagement platform) and mailfloss (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Gong is a sales engagement platform for multi-channel outreach and engagement tracking, priced through custom Contact Sales quotes. mailfloss is a data enrichment tool for B2B contact and list cleaning, starting at $29/mo for 10,000 credits monthly. Gong fits teams coordinating outreach across channels, mailfloss fits teams needing accurate contact data, and many run both.
Key takeaways
- Gong lists AI-powered call recording and transcription and deal intelligence and risk alerts as core features, while mailfloss lists daily list cleaning and removal of addresses that decay over time.
- mailfloss publishes an entry price of $29/mo for its Lite plan, covering 10,000 credits per month, while Gong uses custom Contact Sales pricing with no published entry tier.
- mailfloss offers 4 pricing tiers, Lite, Business, Pro, and Prepaid credits, compared to Gong's single Contact Sales tier.
- mailfloss's Pro plan costs $209/mo for 125,000 credits per month.
- Both platforms integrate with HubSpot, but Gong also connects with Salesforce, Zoom, and Slack, while mailfloss connects with Mailchimp, Klaviyo, and Zapier.
Reviewed and updated September 4, 2026
Gong vs mailfloss: Sales Engagement Platform vs Data Enrichment Tool Comparison
Gong is a sales engagement platform; mailfloss 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
Gong is a sales engagement platform for multi-channel sales outreach and engagement tracking; mailfloss is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Gong lists ai-powered call recording and transcription and deal intelligence and risk alerts, and mailfloss lists cleans your list daily and removes addresses that decay over time.
mailfloss publishes an entry price of $29/mo; Gong uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, Gong is the one built for it; for finding accurate contact data for target accounts, that is mailfloss. Many teams run one of each.
Understanding the Core Difference
Gong is Revenue AI platform that captures and analyzes customer interactions across calls, emails, and meetings to deliver deal intelligence, forecasting, and sales coaching insights.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Gong (platform)
Lite
Gong Pricing (as of September 2026)
| Plan | Price |
|---|---|
| Gong (platform) | Contact Sales |
Source: Gong Pricing
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
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 Gong's 1, giving you more granularity as you scale.
Features Breakdown
- AI-powered call recording and transcription
- Deal intelligence and risk alerts
- Revenue forecasting with pipeline analytics
- Sales engagement sequences (Engage module)
- Coaching insights and talk-track analysis
- Email and web conferencing capture
- and 4 more listed below
- 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
Gong Key Features
- AI-powered call recording and transcription
- Deal intelligence and risk alerts
- Revenue forecasting with pipeline analytics
- Sales engagement sequences (Engage module)
- Coaching insights and talk-track analysis
- Email and web conferencing capture
- Smart trackers for competitive mentions
- Team and rep performance dashboards
- Data Cloud for revenue data warehouse
- Ask Anything AI-generated insights
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
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 Gong
- AI-powered call recording and transcription
- Deal intelligence and risk alerts
- Revenue forecasting with pipeline analytics
- Sales engagement sequences (Engage module)
- Coaching insights and talk-track analysis
- Email and web conferencing capture
- Smart trackers for competitive mentions
- Team and rep performance dashboards
- Data Cloud for revenue data warehouse
- Ask Anything AI-generated insights
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
Integration Ecosystem
Gong Integrations
Gong connects with: Salesforce, HubSpot, Microsoft Dynamics 365, Zoom, Microsoft Teams, Google Meet, Webex, Gmail, Microsoft Outlook, Slack, Outreach, Salesloft.
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.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by Gong: Salesforce, Microsoft Dynamics 365, Zoom, Microsoft Teams, Google Meet, Webex, Gmail, Microsoft Outlook, Slack, Outreach, Salesloft.
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.
Use Case Recommendations
Best Fit for Gong
- 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
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
Feature Comparison Summary
| Feature | Gong | mailfloss |
|---|---|---|
| Starting Price | Contact Sales | $29/mo |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 10 | 10 |
| Integrations | 12 | 29 |
| Founded | 2015 | 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
Gong serves the multi-channel sales outreach and engagement tracking side of an outbound stack and mailfloss the B2B lead data and contact enrichment side. mailfloss publishes an entry price of $29/mo, while Gong 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 Gong and mailfloss for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Gong and mailfloss?
- Gong is a sales engagement platform built for multi-channel sales outreach and engagement tracking, including call recording, deal intelligence, and coaching insights. mailfloss is a data enrichment tool focused on B2B lead data and email list cleaning, removing bad addresses and fixing typos daily. They serve different parts of the sales workflow rather than competing directly.
- How much does Gong cost compared to mailfloss?
- Gong uses custom Contact Sales pricing with no published entry tier, so it cannot be compared to mailfloss on list price. mailfloss publishes an entry price of $29/mo for its Lite plan covering 10,000 credits per month, with Business at $59/mo and Pro at $209/mo for 125,000 credits per month.
- Can I use Gong and mailfloss together?
- Yes, the article notes that many teams run one of each since Gong handles multi-channel outreach and engagement tracking while mailfloss handles B2B contact data and list enrichment. The two tools address different parts of the sales workflow rather than overlapping directly.
- Do Gong and mailfloss integrate with the same tools?
- They share one listed integration, HubSpot. Beyond that, Gong connects with tools like Salesforce, Microsoft Dynamics 365, Zoom, Microsoft Teams, Google Meet, Webex, Gmail, Outlook, Slack, Outreach, and Salesloft, while mailfloss connects with tools like Mailchimp, Klaviyo, ActiveCampaign, Braze, Intercom, and Zapier.
- Which tool is better for finding accurate B2B contact data?
- mailfloss is the tool built for that purpose, since it is a data enrichment tool for B2B lead data and contact enrichment. Gong, by contrast, is designed for coordinating outreach across email, phone, and social channels rather than sourcing or verifying contact data.
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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