FullEnrich vs mailfloss: Data Enrichment Tool Comparison
Compare FullEnrich and mailfloss side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
FullEnrich and mailfloss serve different jobs within B2B lead data and contact enrichment. FullEnrich is a contact enrichment platform offering waterfall enrichment across 25+ sources, mobile phone enrichment, and a free entry tier starting at $0/mo. mailfloss is an email verification service that cleans lists daily, starting at $29/mo. Choice depends on budget and needed capability.
Key takeaways
- FullEnrich offers a free trial with 50 credits, while its Pro plan costs $55/mo for 1,000 credits per month.
- mailfloss pricing starts at $29/mo for the Lite plan with 10,000 credits per month, scaling to $209/mo for 125,000 credits per month on the Pro plan.
- FullEnrich lists waterfall enrichment across 25+ sources plus mobile, work, and personal email enrichment as key features.
- mailfloss lists daily list cleaning, custom keep and remove rules, real-time API access, and single sign-on as key features.
- Both tools share integrations with HubSpot and Zapier, but FullEnrich uniquely connects with Clay, Make, n8n, Claude, OpenAI, and Manus, while mailfloss connects with many more email marketing platforms like Mailchimp and Klaviyo.
Reviewed and updated September 4, 2026
FullEnrich vs mailfloss: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, FullEnrich 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, FullEnrich lists waterfall enrichment across 25+ sources and mobile phone 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.
FullEnrich 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
FullEnrich is B2B contact enrichment platform returning verified work emails, personal emails and mobile phone numbers through waterfall enrichment across 25+ data sources. Available in the app, a REST API and an MCP server.
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
Free trial
Lite
FullEnrich Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free trial | Free | 50 credits to start |
| Pro | $55/mo | 1,000 credits / month |
| Enterprise | Contact Sales | Custom |
Source: FullEnrich 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
FullEnrich is more affordable at the entry level ($0/mo vs $29/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.
mailfloss offers 4 pricing tiers compared to FullEnrich's 3, giving you more granularity as you scale.
FullEnrich includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Waterfall enrichment across 25+ sources
- Mobile Phone Enrichment
- Work Email Enrichment
- Personal Email Enrichment
- Reverse Email Lookup
- Bulk CSV Enrichment
- 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
FullEnrich Key Features
- Waterfall enrichment across 25+ sources
- Mobile Phone Enrichment
- Work Email Enrichment
- Personal Email Enrichment
- Reverse Email Lookup
- Bulk CSV Enrichment
- MCP Server
- Unlimited users included
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 FullEnrich
- Waterfall enrichment across 25+ sources
- Mobile Phone Enrichment
- Work Email Enrichment
- Personal Email Enrichment
- Reverse Email Lookup
- Bulk CSV Enrichment
- MCP Server
- Unlimited users included
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
FullEnrich Integrations
FullEnrich connects with: HubSpot, Clay, Zapier, Make, n8n, Claude, OpenAI, Manus.
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, Zapier.
Integrations listed only by FullEnrich: Clay, Make, n8n, Claude, OpenAI, Manus.
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 FullEnrich
- 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
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 | FullEnrich | mailfloss |
|---|---|---|
| Starting Price | Free | $29/mo |
| Top Tier Price | Contact Sales | Usage-based |
| Total Features Listed | 8 | 10 |
| Integrations | 8 | 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
FullEnrich and mailfloss both serve the B2B lead data and contact enrichment market. FullEnrich 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 FullEnrich and mailfloss for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between FullEnrich and mailfloss?
- FullEnrich is a B2B contact enrichment platform that returns verified work emails, personal emails, and mobile phone numbers through waterfall enrichment across 25+ data sources. mailfloss is an email verification service that connects to email marketing platforms and cleans lists daily, removing bad addresses and blocking spam signups in real time.
- How much does FullEnrich cost compared to mailfloss?
- FullEnrich starts free with a trial offering 50 credits, then moves to $55/mo for the Pro plan with 1,000 credits per month. mailfloss starts at $29/mo for its Lite plan with 10,000 credits per month, scaling up to $209/mo for 125,000 credits per month on the Pro plan.
- Which integrations do FullEnrich and mailfloss share?
- FullEnrich and mailfloss both integrate with HubSpot and Zapier. Beyond that, FullEnrich connects with Clay, Make, n8n, Claude, OpenAI, and Manus, while mailfloss connects with a much larger set of email marketing platforms including Mailchimp, Klaviyo, ActiveCampaign, and many others.
- Which tool is better for a budget-conscious team?
- FullEnrich is more affordable at the entry level, offering a free tier compared to mailfloss's $29/mo starting price. This makes FullEnrich a fit for budget-conscious teams or those just getting started with B2B lead data and contact enrichment who want to test the platform before committing financially.
- Does mailfloss offer more pricing tiers than FullEnrich?
- Yes, mailfloss offers 4 pricing tiers including a prepaid credits option, compared to FullEnrich's 3 tiers. This gives mailfloss users more granularity as they scale their email list verification needs.
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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