Tool Comparisons

    Kaspr vs TheirStack: Data Enrichment Tool Comparison

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

    Editorial illustration for Kaspr vs TheirStack
    September 2, 2026Updated September 2, 20265 min read
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    The short answer

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

    Reviewed and updated September 2, 2026

    Kaspr vs TheirStack: Data Enrichment Tool Comparison

    If you are comparing B2B lead data and contact enrichment tools, Kaspr and TheirStack 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 TheirStack lists job search and company search. A capability both offer can appear under different names, so read both feature lists below.

    Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.

    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.

    TheirStack is Job posting and technographics database for sales teams. Finds companies by the technologies they use and the roles they are hiring for, and enriches a company list with technographics and buying intent.

    The two platforms take different approaches to solving the same core challenge.

    Pricing Comparison

    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

    TheirStack Pricing (as of September 2026)

    PlanPriceContacts
    FreeFree50 company credits and 200 API credits per month
    AppUsage-basedCompany credit packs from 1,000 to 200,000 credits
    API, Webhooks & MCP$49/mo1,500 API credits per month
    DatasetsContact SalesJobs, Technographics and Buying intents datasets

    Source: TheirStack Pricing

    Pricing Analysis

    Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.

    Both platforms offer free tiers, so you can test each one before spending anything.

    Features Breakdown

    Kaspr lists
    • Kaspr Chrome Extension
    • Lead Management
    • Enrichment Automations
    • CSV Enrichment
    • Kaspr on Sales Navigator
    • Shared credits
    • and 2 more listed below
    TheirStack lists
    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • and 2 more listed below
    What Kaspr and TheirStack 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

    TheirStack Key Features

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • Webhooks
    • MCP server

    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 TheirStack

    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • Webhooks
    • MCP server

    Integration Ecosystem

    Kaspr Integrations

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

    TheirStack Integrations

    TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.

    Shared Integrations

    Both tools integrate with: Zapier.

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

    Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.

    Use Case Recommendations

    Best Fit for Kaspr

    • Budget-conscious teams looking for an affordable data enrichment tool
    • Organizations with complex tech stacks needing broad integration support (9 integrations)
    • Teams that want to start free and scale up as needs grow
    • Enterprise buyers who prefer custom pricing and dedicated support

    Best Fit for TheirStack

    • 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

    FeatureKasprTheirStack
    Starting PriceFreeFree
    Top Tier PriceContact SalesContact Sales
    Total Features Listed88
    Integrations95
    FoundedN/A2021

    Getting Started Checklist

    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 TheirStack both serve the B2B lead data and contact enrichment market. Kaspr offers a more accessible entry point, while TheirStack starts at $0/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 TheirStack for current information.

    KasprTheirStackData 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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