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    All tool comparisons
    Tool comparison · Head to headUpdated 9/4/2026

    BIGContacts vs Mailcheck

    A factual comparison of features, pricing, and capabilities.

    01The contenders
    Tool A

    BIGContacts

    Contact management CRM for small businesses (a ProProfs product) with unlimited users, teams, lists and storage, tags and custom fields, forms and data capture, AI contact import, sales reports and automated reminders, priced per 1,000 contacts with a forever-free single-user plan.

    Starting atCustom0
    Tool B

    Mailcheck

    Online email verification tool for bulk checking and list cleaning that validates emails and phones using social-network signals, with an API and per-plan monthly validation allowances plus per-email overage charges.

    Starting at$10/month
    02Line by line

    Pricing comparison.

    Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.

    03Capabilities

    Feature comparison.

    FeatureBIGContactsMailcheck
    Unlimited Users
    Unlimited Team and Groups
    Unlimited Lists
    Unlimited Storage
    Tags & Custom Fields
    Forms & Data Capture
    Contact Import & Summary
    Sales Reports
    Organize Contacts & Lists
    Automated Reminders & Alerts
    Online email verification tool
    Bulk check and cleaning
    Don't pay for a duplicate in the list
    API
    Case Studies
    Integrations
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    BIGContacts

    SkypeQuickBooksOutlookZapierGoogle CalendarGoogle Workspace

    Mailcheck

    05Keep exploring

    Explore more.

    Best BIGContacts alternativesBest Mailcheck alternatives
    BIGContacts vs SalesforceBIGContacts vs HubSpot CRMBIGContacts vs PipedriveApollo.io vs MailcheckMailcheck vs ZoomInfoClay vs Mailcheck
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    Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.