Tool comparison · Head to headUpdated 9/4/2026

    BIGContacts vs SalesStack

    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

    SalesStack

    Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.

    Starting at$1970/month
    02Line by line

    Pricing comparison.

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

    03Capabilities

    Feature comparison.

    FeatureBIGContactsSalesStack
    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
    Lead Scoring
    Cold Email Outreach
    Sales Engagement
    Sales Funnels
    AI Calling
    Custom Forms
    Multi-Channel Outreach
    Calendar
    Calls and Tasks
    Team Management
    Available
    Partial/Limited
    Not Available
    04Ecosystem

    Native integrations.

    BIGContacts

    SkypeQuickBooksOutlookZapierGoogle CalendarGoogle Workspace

    SalesStack

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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.