Findymail vs TheirStack: Data Enrichment Tool Comparison

Findymail vs TheirStack: Data Enrichment Tool Comparison

Findymail 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, Findymail lists verified b2b emails only and proprietary catch-all email verification, while TheirStack lists job search and company search. A capability both offer can appear under different names, so read both feature lists below.

TheirStack offers a lower entry point at $0/mo compared to Findymail at $49/mo.

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

Findymail is B2B email finder and data platform that resolves and verifies emails, phone numbers and company data in real time.

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

$49/moFindymail entry plan

Basic

FreeTheirStack entry plan

Free

Findymail Pricing (as of September 2026)

Source: Findymail Pricing

TheirStack Pricing (as of September 2026)

Source: TheirStack Pricing

Pricing Analysis

TheirStack offers the lower entry point ($0/mo vs $49/mo). Teams watching their budget will appreciate the savings, especially when starting out.

Findymail offers 7 pricing tiers compared to TheirStack's 4, giving you more granularity as you scale.

TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.

Features Breakdown

Findymail lists

• Verified B2B emails only
• Proprietary catch-all email verification
• Mobile phone number finder
• Intellimatch AI lead finder
• Credits roll over up to 2x your plan
• Chrome extension
• and 2 more listed below

TheirStack lists

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

Findymail Key Features

• Verified B2B emails only
• Proprietary catch-all email verification
• Mobile phone number finder
• Intellimatch AI lead finder
• Credits roll over up to 2x your plan
• Chrome extension
• Bulk email finder
• Google Sheets integration

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 Findymail

• Verified B2B emails only
• Proprietary catch-all email verification
• Mobile phone number finder
• Intellimatch AI lead finder
• Credits roll over up to 2x your plan
• Chrome extension
• Bulk email finder
• Google Sheets integration

Listed only by TheirStack

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

Integration Ecosystem

Findymail Integrations

Findymail connects with: HubSpot, Salesforce, Pipedrive, Zoho CRM, Close, Copper, Smartlead, Instantly, Lemlist, Salesloft.

TheirStack Integrations

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

Integrations listed only by Findymail: HubSpot, Salesforce, Pipedrive, Zoho CRM, Close, Copper, Smartlead, Instantly, Lemlist, Salesloft.

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

Use Case Recommendations

Best Fit for Findymail

• Budget-conscious teams looking for an affordable data enrichment tool
• Organizations with complex tech stacks needing broad integration support (10 integrations)
• 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

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

Findymail and TheirStack both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while Findymail starts at $49/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 Findymail and TheirStack for current information.