Icypeas vs TheirStack: Data Enrichment Tool Comparison
Compare Icypeas and TheirStack side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Icypeas is an email finder and verification tool starting at $19/mo, while TheirStack is a job posting and technographics database for sales teams with a free entry tier. Icypeas lists 6 integrations including Google Sheets and MCP, TheirStack lists 5 including LinkedIn Audiences. The right choice depends on budget and which specific features a team needs most.
Key takeaways
- Icypeas's Basic plan costs $19/mo for 1,000 credits, while TheirStack's Free plan offers 50 company credits and 200 API credits per month at no cost.
- Icypeas's top tier, Hypergrowth, costs $499/mo for 100,000 credits, while TheirStack's API, Webhooks and MCP plan costs $49/mo for 1,500 API credits per month.
- Icypeas lists 8 features including Email Finder, Email Verifier, and Catch-All verification, while TheirStack lists 8 features including Job search, Webhooks, and MCP server.
- Icypeas integrates with 6 platforms including Google Sheets and MCP, while TheirStack integrates with 5 platforms including LinkedIn Audiences.
- Icypeas was founded in 2022, and TheirStack was founded in 2021.
Reviewed and updated September 5, 2026
Icypeas vs TheirStack: Data Enrichment Tool Comparison
Icypeas and TheirStack compete head-to-head in the B2B lead data and contact enrichment space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
By each vendor's own wording, Icypeas lists email finder and email verifier, 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 Icypeas at $19/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
Icypeas is Helps B2B teams find and verify professional email addresses, enrich leads and identify LinkedIn profiles, through a web app or an API. Credits are charged only for found emails.
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
Basic
Free
Icypeas Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Basic | $19/mo | 1,000 credits |
| Premium | $39/mo | 4,000 credits |
| Advanced | $89/mo | 10,000 credits |
| Hypergrowth | $499/mo | 100,000 credits |
Source: Icypeas Pricing
TheirStack Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 50 company credits and 200 API credits per month |
| App | Usage-based | Company credit packs from 1,000 to 200,000 credits |
| API, Webhooks & MCP | $49/mo | 1,500 API credits per month |
| Datasets | Contact Sales | Jobs, Technographics and Buying intents datasets |
Source: TheirStack Pricing
Pricing Analysis
TheirStack offers the lower entry point ($0/mo vs $19/mo). Teams watching their budget will appreciate the savings, especially when starting out.
TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- and 2 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Icypeas Key Features
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- Catch-All verification
- Credits roll over
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 Icypeas
- Email Finder
- Email Verifier
- Domain Scan
- Profile Scraper
- Company Scraper
- Reverse Email Lookup
- Catch-All verification
- Credits roll over
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Icypeas Integrations
Icypeas connects with: Google Sheets, n8n, Make, Zapier, Clay, MCP.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Shared Integrations
Both tools integrate with: n8n, Make, Zapier, Clay.
Integrations listed only by Icypeas: Google Sheets, MCP.
Integrations listed only by TheirStack: LinkedIn Audiences.
Use Case Recommendations
Best Fit for Icypeas
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- 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 want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Icypeas | TheirStack |
|---|---|---|
| Starting Price | $19/mo | Free |
| Top Tier Price | $499/mo | Contact Sales |
| Total Features Listed | 8 | 8 |
| Integrations | 6 | 5 |
| Founded | 2022 | 2021 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Icypeas and TheirStack both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while Icypeas starts at $19/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 Icypeas and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Icypeas or TheirStack?
- TheirStack offers a free entry tier with 50 company credits and 200 API credits per month, while Icypeas's Basic plan starts at $19/mo for 1,000 credits. TheirStack's paid API plan is $49/mo, while Icypeas's top tier, Hypergrowth, reaches $499/mo for 100,000 credits.
- What does Icypeas do?
- Icypeas helps B2B teams find and verify professional email addresses, enrich leads, and identify LinkedIn profiles through a web app or API. Credits are charged only for found emails, and features include Email Finder, Email Verifier, Domain Scan, and Catch-All verification.
- What does TheirStack do?
- TheirStack is a job posting and technographics database for sales teams. It finds companies by the technologies they use and the roles they are hiring for, and enriches company lists with technographics and buying intent data through job search, company search, and enrichment features.
- What integrations does each tool support?
- Icypeas connects with Google Sheets, n8n, Make, Zapier, Clay, and MCP, totaling 6 integrations. TheirStack connects with Clay, LinkedIn Audiences, Make, n8n, and Zapier, totaling 5 integrations. Both platforms share n8n, Make, Zapier, and Clay as common integrations.
- Which tool is better for budget-conscious teams?
- Both tools are recommended for budget-conscious teams. TheirStack additionally suits teams that want to start free and scale up as needs grow, while Icypeas suits organizations with complex tech stacks needing broad integration support across 6 platforms.
About the author.
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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