Close vs mailfloss: CRM Platform vs Data Enrichment Tool Comparison

Close vs mailfloss: CRM Platform vs Data Enrichment Tool Comparison

Close (CRM platform) and mailfloss (data enrichment tool) 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

Close is a CRM platform for customer relationship management and sales pipeline tracking; mailfloss is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Close lists built-in calling with power dialer and native sms messaging, and mailfloss lists cleans your list daily and removes addresses that decay over time.

Close offers a lower entry point at $19/mo compared to mailfloss at $29/mo.

If your priority is organizing contacts, tracking deals, and forecasting revenue, Close 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

Close is A CRM built specifically for inside sales teams, with built-in calling, SMS, and email functionality. Close focuses on reducing manual data entry and increasing sales velocity with features like Power Dialer, predictive dialing, and workflow automation.

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

$19/moClose entry plan

Solo

$29/momailfloss entry plan

Lite

Close Pricing (as of September 2026)

Source: Close Pricing

mailfloss Pricing (as of September 2026)

Source: mailfloss Pricing

Pricing Analysis

Close is more affordable at the entry level ($19/mo vs $29/mo). For teams with tight budgets or those just getting started with customer relationship management and sales pipeline tracking and B2B lead data and contact enrichment, this price difference matters.

Features Breakdown

Close lists

• Built-in calling with Power Dialer
• Native SMS messaging
• Email sequences and templates
• Automated workflows
• Predictive dialing
• AI Email Assistant
• and 2 more listed below

mailfloss lists

• 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

Close Key Features

• Built-in calling with Power Dialer
• Native SMS messaging
• Email sequences and templates
• Automated workflows
• Predictive dialing
• AI Email Assistant
• Pipeline and activity reporting
• Role-based access and permissions

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 Close

• Built-in calling with Power Dialer
• Native SMS messaging
• Email sequences and templates
• Automated workflows
• Predictive dialing
• AI Email Assistant
• Pipeline and activity reporting
• Role-based access and permissions

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

Close Integrations

Close connects with: Zapier, Slack, Gmail, Microsoft Outlook, Zoom, HubSpot, Segment, Calendly.

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: Zapier, HubSpot.

Integrations listed only by Close: Slack, Gmail, Microsoft Outlook, Zoom, Segment, Calendly.

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.

Use Case Recommendations

Best Fit for Close

• Budget-conscious teams looking for an affordable CRM platform
• Sales teams tracking deals from first touch to close
• Managers who need pipeline visibility and forecasting
• Growing teams that need scalable contact management

Best Fit for mailfloss

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that need a wide feature set (10 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (29 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support

Feature Comparison Summary

Getting Started Checklist

1. Define your customer relationship management and sales pipeline tracking and B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected contacts and deals and data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Close serves the customer relationship management and sales pipeline tracking side of an outbound stack and mailfloss the B2B lead data and contact enrichment side. Close offers a more accessible entry point at $19/mo, while mailfloss starts at $29/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 Close and mailfloss for current information.