CUFinder vs TheirStack: Data Enrichment Tool Comparison

CUFinder vs TheirStack: Data Enrichment Tool Comparison

CUFinder and TheirStack are both data enrichment tools. Choosing between them depends on your team size, budget, and specific B2B lead data and contact enrichment requirements. Here is what each vendor publishes about pricing, features, and integrations.

The Quick Answer

By each vendor's own wording, CUFinder lists company and contact enrichment engines and pay for matches only; not-found rows are free, 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

CUFinder is CUFinder is a B2B marketing intelligence platform with company and contact enrichment engines, an email finder and a LinkedIn extension, priced by monthly credits and charging only for matched results. Unlimited teammates on every plan.

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

CUFinder Pricing (as of September 2026)

Source: CUFinder Pricing

TheirStack Pricing (as of September 2026)

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.

CUFinder offers 5 pricing tiers compared to TheirStack's 4, giving you more granularity as you scale.

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

Features Breakdown

CUFinder lists

• Company and contact enrichment engines
• Pay for matches only; not-found rows are free
• Unlimited teammates
• LinkedIn extension
• API
• Google Sheets add-on

TheirStack lists

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• and 2 more listed below

CUFinder Key Features

• Company and contact enrichment engines
• Pay for matches only; not-found rows are free
• Unlimited teammates
• LinkedIn extension
• API
• Google Sheets add-on

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 CUFinder

• Company and contact enrichment engines
• Pay for matches only; not-found rows are free
• Unlimited teammates
• LinkedIn extension
• API
• Google Sheets add-on

Listed only by TheirStack

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

Integration Ecosystem

CUFinder Integrations

CUFinder connects with: HubSpot, Salesforce, Google Sheets, LinkedIn, Chrome extension.

TheirStack Integrations

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

Integrations listed only by CUFinder: HubSpot, Salesforce, Google Sheets, LinkedIn, Chrome extension.

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

Use Case Recommendations

Best Fit for CUFinder

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that want to start free and scale up as needs grow
• Revenue operations teams building targeted prospect lists
• Marketing teams enriching CRM data for segmentation

Best Fit for TheirStack

• Budget-conscious teams looking for an affordable data enrichment tool
• Teams that need a wide feature set (8 capabilities listed)
• Teams that want to start free and scale up as needs grow
• Enterprise buyers who prefer custom pricing and dedicated support

Feature Comparison Summary

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

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