mailfloss vs UpLead: Data Enrichment Tool Comparison
Compare mailfloss and UpLead side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
mailfloss and UpLead serve different needs in B2B data enrichment. mailfloss is an email verification service that cleans email lists daily, fixes typos, and prevents bounces starting at $29/mo. UpLead is a B2B prospecting platform offering 200M+ leads worldwide with a 95%+ data accuracy guarantee, starting free with a Test Drive trial.
Key takeaways
- mailfloss pricing starts at $29/mo for the Lite plan with 10,000 credits per month, while UpLead offers a free Test Drive trial with 5 credits.
- UpLead's Essentials plan costs $99/mo for 170 credits per month, and its Plus plan costs $199/mo for 400 credits per month.
- UpLead lists 200M+ B2B leads worldwide, a 95%+ data accuracy guarantee, and technographics for 16,000+ technologies as key features.
- mailfloss connects with 29 integrations including Mailchimp, Klaviyo, HubSpot, ActiveCampaign, and Zapier, while UpLead connects with Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, and Zapier.
- Both mailfloss and UpLead share only two listed integrations: HubSpot and Zapier.
Reviewed and updated September 4, 2026
mailfloss vs UpLead: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, mailfloss and UpLead 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 UpLead lists 200m+ b2b leads worldwide and 95%+ data accuracy guarantee. A capability both offer can appear under different names, so read both feature lists below.
UpLead 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.
UpLead is B2B prospecting platform with 95%+ data accuracy guarantee, real-time email verification, and 200M+ leads worldwide.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Lite
Test Drive Free Trial
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
UpLead Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Test Drive Free Trial | Free | 5 Credits |
| Essentials | $99/mo | 170 credits/month |
| Plus | $199/mo | 400 credits/month |
| Professional | Contact Sales | Custom |
Source: UpLead Pricing
Pricing Analysis
UpLead offers the lower entry point ($0/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
UpLead 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
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- and 4 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
UpLead Key Features
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- Data enrichment
- Chrome extension
- Bulk lookup
- Company news and alerts
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 UpLead
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- Data enrichment
- Chrome extension
- Bulk lookup
- Company news and alerts
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.
UpLead Integrations
UpLead connects with: Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, Zapier.
Shared Integrations
Both tools integrate with: HubSpot, Zapier.
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.
Integrations listed only by UpLead: Salesforce, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft.
Use Case Recommendations
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
Best Fit for UpLead
- 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 | UpLead |
|---|---|---|
| Starting Price | $29/mo | Free |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 29 | 8 |
| Founded | N/A | 2017 |
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 UpLead both serve the B2B lead data and contact enrichment market. UpLead 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 UpLead for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between mailfloss and UpLead?
- mailfloss is an email verification service that cleans email lists daily on autopilot, removing bad addresses and fixing typos. UpLead is a B2B prospecting platform focused on finding leads, offering 200M+ B2B leads worldwide with a 95%+ data accuracy guarantee. They approach the same core challenge of accurate contact data from different angles.
- Which is cheaper, mailfloss or UpLead?
- UpLead offers a lower entry point with its free Test Drive trial compared to mailfloss's $29/mo Lite plan. However, UpLead's paid plans start at $99/mo for the Essentials plan, while mailfloss's Business plan is $59/mo and Pro plan is $209/mo.
- Does mailfloss offer a free plan like UpLead?
- The article does not list a free plan for mailfloss. mailfloss's lowest listed tier is the Lite plan at $29/mo for 10,000 credits per month, while UpLead offers a Test Drive Free Trial with 5 credits at no cost.
- What integrations does mailfloss support compared to UpLead?
- mailfloss connects with 29 integrations including Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, and Zapier. UpLead connects with Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, and Zapier. Both tools share HubSpot and Zapier as common integrations.
- Who should choose mailfloss over UpLead?
- Budget-conscious teams looking for an affordable data enrichment tool and organizations with complex tech stacks needing broad integration support, such as the 29 integrations mailfloss offers, are best suited for mailfloss. Enterprise buyers who prefer custom pricing and dedicated support may also lean toward mailfloss based on the article's use case recommendations.
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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