mailfloss vs People Data Labs: Data Enrichment Tool Comparison
Compare mailfloss and People Data Labs side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

mailfloss and People Data Labs solve related but different problems: mailfloss is an email verification tool that cleans email lists daily and removes decaying addresses starting at $29/mo, while People Data Labs is a B2B person and company data provider delivering enrichment via APIs and data feeds starting at $0/mo. Choice depends on budget and specific data needs.
Key takeaways
- mailfloss entry pricing starts at $29/mo for the Lite plan with 10,000 credits/month.
- People Data Labs offers a free Testing plan with up to 100 credits/mo, plus a Self-Serve plan at $98/mo starting with 350 credits/mo.
- mailfloss lists 10 features on its own pages, including automatically fixing typos and preventing bounces in real time.
- People Data Labs lists 8 features on its own pages, including Person Data, Company Data, and Data License Feeds.
- Both mailfloss and People Data Labs integrate with Zapier, but mailfloss also connects with Mailchimp, HubSpot, and 27 other platforms while People Data Labs connects with Salesforce, Snowflake, and Databricks.
Reviewed and updated September 4, 2026
mailfloss vs People Data Labs: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, mailfloss and People Data Labs 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, mailfloss lists cleans your list daily and removes addresses that decay over time, while People Data Labs lists person data and company data. A capability both offer can appear under different names, so read both feature lists below.
People Data Labs offers a lower entry point at $0/mo compared to mailfloss at $29/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
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.
People Data Labs is B2B person and company data provider that collects, standardizes and refreshes workforce datasets and delivers them through enrichment and search APIs, licensed data feeds and cloud data platforms.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison

Lite
Testing
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
People Data Labs Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Testing | Free | Up to 100 credits/mo |
| Self-Serve | $98/mo | Start with as few as 350 credits/mo |
| Bulk Data | Contact Sales | Custom volume |
Source: People Data Labs Pricing
Pricing Analysis
People Data Labs offers the lower entry point ($0/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
mailfloss offers 4 pricing tiers compared to People Data Labs's 3, giving you more granularity as you scale.
People Data Labs includes a free tier, which is helpful for evaluating the platform without upfront cost.
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
- Person Data
- Company Data
- Job Posting Data
- Contact data included
- Access to premium fields
- CSV enrichment available
- and 2 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
People Data Labs Key Features
- Person Data
- Company Data
- Job Posting Data
- Contact data included
- Access to premium fields
- CSV enrichment available
- Data License Feeds
- SSO / SAML
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 People Data Labs
- Person Data
- Company Data
- Job Posting Data
- Contact data included
- Access to premium fields
- CSV enrichment available
- Data License Feeds
- SSO / SAML
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.
People Data Labs Integrations
People Data Labs connects with: Make, Ping Identity, Zapier, Snowflake, Bouncer, Databricks, Salesforce.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by mailfloss: 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.
Integrations listed only by People Data Labs: Make, Ping Identity, Snowflake, Bouncer, Databricks, Salesforce.
Use Case Recommendations
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
Best Fit for People Data Labs
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | mailfloss | People Data Labs |
|---|---|---|
| Starting Price | $29/mo | Free |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 29 | 7 |
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
mailfloss and People Data Labs both serve the B2B lead data and contact enrichment market. People Data Labs offers a more accessible entry point, 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 mailfloss and People Data Labs for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between mailfloss and People Data Labs?
- mailfloss is an email verification service that cleans email lists daily and removes decaying addresses, while People Data Labs is a B2B data provider offering person data, company data, and job posting data through enrichment and search APIs. They target the same broad goal of accurate contact data but approach it differently.
- How much does mailfloss cost compared to People Data Labs?
- mailfloss starts at $29/mo for the Lite plan with 10,000 credits/month, while People Data Labs offers a free Testing plan with up to 100 credits/mo and a $98/mo Self-Serve plan starting with 350 credits/mo. People Data Labs has the lower entry point overall.
- Which tool has more pricing tiers?
- mailfloss offers 4 pricing tiers (Lite, Business, Pro, and prepaid credits) compared to People Data Labs's 3 tiers (Testing, Self-Serve, and Bulk Data), giving mailfloss users more granularity as they scale.
- Do mailfloss and People Data Labs share any integrations?
- Yes, both tools integrate with Zapier. Beyond that, mailfloss connects with email marketing platforms like Mailchimp, Klaviyo, and HubSpot, while People Data Labs connects with data and CRM platforms like Salesforce, Snowflake, and Databricks.
- Which tool is better for a budget-conscious team?
- People Data Labs offers the lower entry point with a free Testing plan, which is helpful for evaluating the platform without upfront cost. However, the article notes mailfloss is also recommended for budget-conscious teams looking for an affordable data enrichment tool with a wide feature set.
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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