Tool Comparisons

    Clearout vs TheirStack: Data Enrichment Tool Comparison

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

    Editorial illustration for Clearout vs TheirStack
    August 28, 2026Updated September 4, 20265 min read
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    The short answer

    Clearout is an email verification and email finding tool with plans from free up to $32 per month for 10,000 credits. TheirStack is a job posting and technographics database with a free tier and a $49 per month API, Webhooks and MCP plan. Both start at $0 per month, so the choice depends on whether you need email accuracy or company and hiring signal data.

    Key takeaways

    • Clearout's Starter plan costs $16 per month for 3,000 credits, and its Pro plan costs $32 per month for 10,000 credits.
    • TheirStack's API, Webhooks and MCP plan costs $49 per month for 1,500 API credits.
    • Both Clearout and TheirStack list 8 features each and integrate with 5 tools each, according to the article's feature comparison summary.
    • TheirStack was founded in 2021, while Clearout's founding year is listed as N/A.
    • Clearout and TheirStack share Zapier and Make as common integrations, with Clearout also connecting to HubSpot, Google Sheets, and Zoho, and TheirStack connecting to Clay, LinkedIn Audiences, and N8N.

    Reviewed and updated September 4, 2026

    Clearout vs TheirStack: Data Enrichment Tool Comparison

    Sales teams evaluating B2B lead data and contact enrichment tools often narrow their shortlist to Clearout and TheirStack. Both target the same job, but they cater to different workflows and budgets. This comparison covers pricing, features, and integrations so you can pick the right fit.

    The Quick Answer

    By each vendor's own wording, Clearout lists email verifier and email finder, 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

    Clearout is Email verification service that validates addresses in bulk, through an API and on signup forms in real time. Also finds business email addresses and monitors contact data already inside a CRM.

    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

    Pricing table: Pricing Comparison (Clearout, TheirStack, Freemium, Free)

    Clearout Pricing (as of September 2026)

    PlanPriceEmails
    FreemiumFree100 Credits for Lifetime
    Starter$16/mo3,000 Credits Per Month
    Pro 10K Credits$32/mo10,000 Credits Per Month
    EnterpriseContact Sales-

    Source: Clearout 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

    Clearout lists
    • Email Verifier
    • Email Finder
    • Form Guard
    • Data Pulse
    • Clearout Add-ons For Google Sheets
    • Parallel Bulk Email Verification
    • and 2 more listed below
    TheirStack lists
    • Job search
    • Company search
    • Company lookup
    • Enrichment
    • Exports
    • Email alerts
    • and 2 more listed below
    What Clearout 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.

    Clearout Key Features

    • Email Verifier
    • Email Finder
    • Form Guard
    • Data Pulse
    • Clearout Add-ons For Google Sheets
    • Parallel Bulk Email Verification
    • Prospecting
    • Credits never expire

    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 Clearout

    • Email Verifier
    • Email Finder
    • Form Guard
    • Data Pulse
    • Clearout Add-ons For Google Sheets
    • Parallel Bulk Email Verification
    • Prospecting
    • Credits never expire

    Listed only by TheirStack

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

    Integration Ecosystem

    Integration grid: Integration Ecosystem (Clearout, TheirStack, Zapier, Make)

    Clearout Integrations

    Clearout connects with: HubSpot, Google Sheets, Zapier, Make, Zoho.

    TheirStack Integrations

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

    Shared Integrations

    Both tools integrate with: Zapier, Make.

    Integrations listed only by Clearout: HubSpot, Google Sheets, Zoho.

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

    Use Case Recommendations

    Best Fit for Clearout

    • 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 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

    FeatureClearoutTheirStack
    Starting PriceFreeFree
    Top Tier PriceContact SalesContact Sales
    Total Features Listed88
    Integrations55
    FoundedN/A2021

    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

    Clearout and TheirStack both serve the B2B lead data and contact enrichment market. Clearout 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 Clearout and TheirStack for current information.

    Questions

    Frequently asked questions.

    Frequently asked questions
    Is Clearout or TheirStack cheaper?
    Both platforms start at $0 per month, so neither is cheaper at the entry level. Clearout's paid tiers run $16 per month for 3,000 credits and $32 per month for 10,000 credits, while TheirStack's API, Webhooks and MCP plan costs $49 per month for 1,500 API credits, with usage-based and contact-sales tiers above that.
    What is the main difference between Clearout and TheirStack?
    Clearout is an email verification service that validates addresses in bulk and finds business email addresses, while TheirStack is a job posting and technographics database that finds companies by the technologies they use and the roles they are hiring for. They solve related lead data problems from different angles.
    What integrations does Clearout offer?
    Clearout connects with HubSpot, Google Sheets, Zapier, Make, and Zoho, according to its listed integrations. Of these, Zapier and Make are also shared with TheirStack, while HubSpot, Google Sheets, and Zoho are listed only by Clearout.
    What integrations does TheirStack offer?
    TheirStack connects with Clay, LinkedIn Audiences, Make, N8N, and Zapier, according to its listed integrations. Make and Zapier are shared with Clearout, while Clay, LinkedIn Audiences, and N8N are listed only by TheirStack.
    Do Clearout and TheirStack both have free plans?
    Yes, both tools offer a free tier priced at $0 per month. Clearout's free tier gives 100 credits for a lifetime, while TheirStack's free tier includes 50 company credits and 200 API credits per month, letting teams test each platform before paying anything.
    ClearoutTheirStackData 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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