Clearbit vs mailfloss: Data Enrichment Tool Comparison
Compare Clearbit and mailfloss side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Clearbit and mailfloss both target B2B contact data quality but differ in focus and price. Clearbit (now Breeze Intelligence by HubSpot) offers real-time lead, contact, and account enrichment starting at $45/mo, while mailfloss is an email verification service that cleans lists daily starting at $29/mo. The right pick depends on budget and whether you need enrichment or list hygiene.
Key takeaways
- Clearbit's entry plan costs $45/mo with 100 credits/month, while mailfloss's Lite plan costs $29/mo with 10,000 credits/month.
- mailfloss offers 4 pricing tiers (Lite, Business, Pro, and Prepaid credits) compared to Clearbit's 3 tiers (Entry, Business, Enterprise).
- Clearbit lists features such as global data coverage, real-time lead scoring and routing, IP intelligence for visitor identification, and buyer intent signals.
- mailfloss lists features such as custom keep and remove rules, a real-time API, webhooks, and automatic typo fixing.
- HubSpot is the only integration shared by both tools, while mailfloss lists 28 other integrations including Mailchimp, Klaviyo, and Zapier, and Clearbit lists Segment, Marketo, and Salesforce.
Reviewed and updated September 4, 2026
Clearbit vs mailfloss: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, Clearbit and mailfloss will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, Clearbit lists global data coverage and lead, contact, and account enrichment, while mailfloss lists cleans your list daily and removes addresses that decay over time. A capability both offer can appear under different names, so read both feature lists below.
mailfloss offers a lower entry point at $29/mo compared to Clearbit at $45/mo.
If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Clearbit is B2B data enrichment platform (now Breeze Intelligence by HubSpot) with real-time enrichment and visitor identification.
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
Entry
Lite
Clearbit Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Entry | $45/mo | 100 credits/month | N/A |
| Business | $1667/mo | Custom | N/A |
| Enterprise | Contact Sales | Custom | N/A |
Source: Clearbit 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
mailfloss offers the lower entry point ($29/mo vs $45/mo). Teams watching their budget will appreciate the savings, especially when starting out.
mailfloss offers 4 pricing tiers compared to Clearbit's 3, giving you more granularity as you scale.
Features Breakdown
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- and 2 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
Clearbit Key Features
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- Industry categorization
- Buyer intent signals
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 Clearbit
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- Industry categorization
- Buyer intent signals
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
Clearbit Integrations
Clearbit connects with: HubSpot, Segment, Marketo, Salesforce.
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 Clearbit: Segment, Marketo, Salesforce.
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 Clearbit
- Budget-conscious teams looking for an affordable data enrichment tool
- Enterprise buyers who prefer custom pricing and dedicated support
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
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
| Feature | Clearbit | mailfloss |
|---|---|---|
| Starting Price | $45/mo | $29/mo |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 8 | 10 |
| Integrations | 4 | 29 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected 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
Clearbit and mailfloss both serve the B2B lead data and contact enrichment market. mailfloss offers a more accessible entry point at $29/mo, while Clearbit starts at $45/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 Clearbit and mailfloss for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Clearbit and mailfloss?
- Clearbit is a B2B data enrichment platform (now Breeze Intelligence by HubSpot) offering real-time enrichment and visitor identification, while mailfloss is an email verification service that connects to your email marketing platform and cleans your list daily on autopilot, removing bad addresses and fixing typos.
- Which tool is cheaper, Clearbit or mailfloss?
- mailfloss has the lower entry price at $29/mo compared to Clearbit's $45/mo entry plan. mailfloss's Lite plan includes 10,000 credits/month, while Clearbit's Entry plan includes 100 credits/month.
- Does Clearbit or mailfloss have more pricing tiers?
- mailfloss offers 4 pricing tiers (Lite, Business, Pro, and Prepaid credits) compared to Clearbit's 3 tiers (Entry, Business, Enterprise), giving more granularity as you scale.
- What integrations do Clearbit and mailfloss share?
- HubSpot is the only integration listed by both Clearbit and mailfloss. Clearbit also connects with Segment, Marketo, and Salesforce, while mailfloss connects with a much larger list including Mailchimp, Klaviyo, ActiveCampaign, and Zapier.
- Who is Clearbit best suited for?
- According to the article, Clearbit best fits enterprise buyers who prefer custom pricing and dedicated support, revenue operations teams building targeted prospect lists, and marketing teams enriching CRM data for segmentation.
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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