Tool comparison · Head to headUpdated 9/4/2026

    BIGContacts vs Lead Onion

    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

    Lead Onion

    Buyer intent platform that combines person-based, account-based and website-based intent (topic intent via Bombora, Foundry or Continuity, competitor engagement, events, technologies) with contact reveals and an AI buyer-intent agent, syncing leads into HubSpot, Salesforce, Microsoft Dynamics, Outreach and Slack.

    Starting at$500/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureBIGContactsLead Onion
    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
    Person Based Intent
    Account Based Intent
    Website Based Intent
    Research Quadrant
    Watchlist
    Account Level Intent
    Topic Intent
    Competitors
    Events
    Technologies
    In-Market Accounts
    Prospects Search
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    BIGContacts

    SkypeQuickBooksOutlookZapierGoogle CalendarGoogle Workspace

    Lead Onion

    SalesforceMicrosoft DynamicsHubSpotOutreachSlackBomboraFoundry
    Skip the research

    Let us handle it.

    We manage the infrastructure, deliverability, and campaigns. You get results without the tool research.

    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.