Tool Comparisons

    Kaspr vs mailfloss: Data Enrichment Tool Comparison

    Compare Kaspr and mailfloss side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

    Comparison panel: Kaspr vs mailfloss (Pricing, Features, Integration)
    September 3, 2026Updated September 4, 20265 min read
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    The short answer

    Kaspr and mailfloss serve different core needs: Kaspr is a B2B contact data tool with a LinkedIn Chrome extension, lead management, and CRM sync, priced from $0/mo, while mailfloss is an email verification service that cleans email lists daily, priced from $29/mo. Choose Kaspr for lead enrichment and mailfloss for list hygiene.

    Key takeaways

    • Kaspr's free plan starts at $0/mo while mailfloss's entry Lite plan costs $29/mo.
    • Kaspr's paid tiers include Starter at $65/mo and Business at $99/mo, with Enterprise available via custom pricing.
    • mailfloss's Business plan costs $59/mo for 25,000 credits and its Pro plan costs $209/mo for 125,000 credits.
    • Kaspr and mailfloss share only three integrations in common: HubSpot, Brevo, and Zapier.
    • Kaspr lists features like the Kaspr Chrome Extension and CSV Enrichment, while mailfloss lists features like real-time API access and webhooks.

    Reviewed and updated September 4, 2026

    Kaspr vs mailfloss: Data Enrichment Tool Comparison

    If you are comparing B2B lead data and contact enrichment tools, Kaspr 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, Kaspr lists kaspr chrome extension and lead management, 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.

    Kaspr 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

    Kaspr is B2B contact data tool with a LinkedIn Chrome extension for phone numbers and email addresses, lead management, bulk enrichment and CRM sync.

    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

    Pricing table: Pricing Comparison (Kaspr, mailfloss, Free, Lite)

    FreeKaspr entry plan

    Free

    $29/momailfloss entry plan

    Lite

    Entry pricing for Kaspr and mailfloss, as published on each vendor's own pricing page.

    Kaspr Pricing (as of September 2026)

    PlanPriceContacts
    FreeFree15 B2B email credits, 5 Phone credits and 5 Direct email credits per month
    Starter$65/moUnlimited B2B email credits, 100 Phone credits and 5 Direct email credits per month
    Business$99/moUnlimited B2B email credits, 200 Phone credits and 200 Direct email credits per month
    EnterpriseContact SalesUnlimited B2B email credits and unlimited Phone credits

    Source: Kaspr Pricing

    mailfloss Pricing (as of September 2026)

    PlanPriceEmails
    Lite$29/mo10,000 credits/month
    Business$59/mo25,000 credits/month
    Pro$209/mo125,000 credits/month
    Prepaid creditsUsage-based-

    Source: mailfloss Pricing

    Pricing Analysis

    Kaspr 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.

    Kaspr includes a free tier, letting you test the platform before committing financially.

    Features Breakdown

    Kaspr lists
    • Kaspr Chrome Extension
    • Lead Management
    • Enrichment Automations
    • CSV Enrichment
    • Kaspr on Sales Navigator
    • Shared credits
    • 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
    What Kaspr and mailfloss each list on their own pages. The split is by exact wording, so a capability both offer can appear on both sides under different names.

    Kaspr Key Features

    • Kaspr Chrome Extension
    • Lead Management
    • Enrichment Automations
    • CSV Enrichment
    • Kaspr on Sales Navigator
    • Shared credits
    • Kaspr on LinkedIn Recruiter Lite
    • Team Usage Reports

    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 Kaspr

    • Kaspr Chrome Extension
    • Lead Management
    • Enrichment Automations
    • CSV Enrichment
    • Kaspr on Sales Navigator
    • Shared credits
    • Kaspr on LinkedIn Recruiter Lite
    • Team Usage Reports

    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

    Integration flow: Integration Ecosystem (Kaspr, mailfloss, HubSpot, Brevo)

    Kaspr Integrations

    Kaspr connects with: HubSpot, Salesforce, Pipedrive, Zoho CRM, Brevo, Lemlist, Zapier, Ringover, Aircall.

    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, Brevo, Zapier.

    Integrations listed only by Kaspr: Salesforce, Pipedrive, Zoho CRM, Lemlist, Ringover, Aircall.

    Integrations listed only by mailfloss: Mailchimp, Klaviyo, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic.

    Use Case Recommendations

    Best Fit for Kaspr

    • 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

    FeatureKasprmailfloss
    Starting PriceFree$29/mo
    Top Tier PriceContact SalesUsage-based
    Total Features Listed810
    Integrations929

    Getting Started Checklist

    Step sequence: Getting Started Checklist (Define B2B lead, Estimate expected data, List integrations, Sign up)

    1. Define your B2B lead data and contact enrichment requirements and monthly budget
    2. Estimate your expected 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

    Kaspr and mailfloss both serve the B2B lead data and contact enrichment market. Kaspr 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 Kaspr and mailfloss for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    What is the main difference between Kaspr and mailfloss?
    Kaspr is a B2B contact data tool built around a LinkedIn Chrome extension, lead management, and CRM sync, while mailfloss is an email verification service that connects to email marketing platforms and cleans lists daily by removing bad addresses and fixing typos. They solve different core challenges within data enrichment.
    Which tool is cheaper, Kaspr or mailfloss?
    Kaspr has a lower entry point at $0/mo compared to mailfloss's $29/mo Lite plan. Kaspr also offers a free tier so teams can test the platform before paying, while mailfloss's paid plans scale up to $59/mo for Business and $209/mo for Pro.
    Do Kaspr and mailfloss integrate with the same tools?
    They share only three integrations: HubSpot, Brevo, and Zapier. Kaspr additionally connects with Salesforce, Pipedrive, Zoho CRM, Lemlist, Ringover, and Aircall, while mailfloss connects with many email marketing platforms like Mailchimp, Klaviyo, and ActiveCampaign that Kaspr does not list.
    Who should use Kaspr instead of mailfloss?
    Kaspr is best suited for budget-conscious teams wanting an affordable data enrichment tool, teams that want to start free and scale up, and enterprise buyers who prefer custom pricing with dedicated support. It focuses on finding and managing contact data rather than cleaning email lists.
    What features does mailfloss offer that Kaspr does not list?
    mailfloss lists features including daily list cleaning, removal of addresses that decay over time, custom keep and remove rules, a real-time API, webhooks, automatic typo fixing, real-time bounce prevention, auto-tagging of subscribers, and single sign-on, none of which appear on Kaspr's own feature list.
    KasprmailflossData Enrichment ToolComparisondata-enrichment
    Byline

    About the author.

    Tim Carden

    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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