LeadIQ vs TheirStack: Data Enrichment Tool Comparison
Compare LeadIQ and TheirStack side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
LeadIQ and TheirStack both offer free entry tiers, but they solve different problems. LeadIQ is a B2B prospecting platform with AI email personalization, champion tracking, and CRM capture, best for teams needing broad integrations. TheirStack is a job posting and technographics database, best for finding companies by tech stack and hiring signals.
Key takeaways
- LeadIQ's paid Pro plan costs $200/mo starting from 1,500 credits per month, while its Free plan gives 1 user and 50 credits.
- TheirStack's API, Webhooks and MCP plan costs $49/mo for 1,500 API credits per month, while its Free plan includes 50 company credits and 200 API credits per month.
- LeadIQ lists 10 total features and 8 integrations, compared to TheirStack's 8 features and 5 integrations.
- LeadIQ integrates with Salesforce, HubSpot, Outreach, SalesLoft, Gong, LinkedIn Sales Navigator, Gmail, and Zapier, while TheirStack integrates with Clay, LinkedIn Audiences, Make, N8N, and Zapier.
- LeadIQ was founded in 2015 and TheirStack was founded in 2021.
Reviewed and updated September 5, 2026
LeadIQ vs TheirStack: Data Enrichment Tool Comparison
LeadIQ 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, LeadIQ lists scribe ai email personalization and champion tracking for job changes, 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
LeadIQ is B2B prospecting platform with AI-powered email personalization (Scribe), champion tracking, and one-click CRM capture.
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
LeadIQ Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 1 User/50 Credits |
| Pro | $200/mo | From 1,500 credits/month (credit slider) |
| Enterprise | Contact Sales | Custom |
Source: LeadIQ 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
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.
TheirStack offers 4 pricing tiers compared to LeadIQ's 3, giving you more granularity as you scale.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- Scribe AI email personalization
- Champion tracking for job changes
- One-click CRM capture
- Verified work emails and mobile numbers
- Account and contact discovery
- LinkedIn Sales Navigator integration
- and 4 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
LeadIQ Key Features
- Scribe AI email personalization
- Champion tracking for job changes
- One-click CRM capture
- Verified work emails and mobile numbers
- Account and contact discovery
- LinkedIn Sales Navigator integration
- AI-powered account prioritization
- Salesforce and HubSpot data sync
- Sequence integration (Outreach, SalesLoft)
- 30-day free trial
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 LeadIQ
- Scribe AI email personalization
- Champion tracking for job changes
- One-click CRM capture
- Verified work emails and mobile numbers
- Account and contact discovery
- LinkedIn Sales Navigator integration
- AI-powered account prioritization
- Salesforce and HubSpot data sync
- Sequence integration (Outreach, SalesLoft)
- 30-day free trial
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
LeadIQ Integrations
LeadIQ connects with: Salesforce, HubSpot, Outreach, SalesLoft, Gong, LinkedIn Sales Navigator, Gmail, Zapier.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by LeadIQ: Salesforce, HubSpot, Outreach, SalesLoft, Gong, LinkedIn Sales Navigator, Gmail.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Use Case Recommendations
Best Fit for LeadIQ
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (8 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
| Feature | LeadIQ | TheirStack |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 8 | 5 |
| Founded | 2015 | 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
LeadIQ and TheirStack both serve the B2B lead data and contact enrichment market. LeadIQ 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 LeadIQ and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What's the main difference between LeadIQ and TheirStack?
- LeadIQ is a B2B prospecting platform built around AI-powered email personalization called Scribe, champion tracking for job changes, and one-click CRM capture. TheirStack is a job posting and technographics database that finds companies by the technologies they use and the roles they're hiring for, then enriches company lists with technographics and buying intent data.
- How much does LeadIQ cost compared to TheirStack?
- Both tools start free. LeadIQ's Free plan offers 1 user and 50 credits, with its Pro plan at $200/mo starting from 1,500 credits per month. TheirStack's Free plan offers 50 company credits and 200 API credits per month, with an API, Webhooks and MCP plan at $49/mo for 1,500 API credits per month.
- Which tool has better integrations, LeadIQ or TheirStack?
- LeadIQ lists more integrations overall, with 8 total including Salesforce, HubSpot, Outreach, SalesLoft, Gong, LinkedIn Sales Navigator, Gmail, and Zapier. TheirStack lists 5 integrations including Clay, LinkedIn Audiences, Make, N8N, and Zapier. Zapier is the only integration both tools share.
- Which teams is LeadIQ best suited for?
- LeadIQ is best for budget-conscious teams, teams needing a wide feature set of 10 listed capabilities, organizations with complex tech stacks that need broad integration support across 8 integrations, teams that want to start free and scale, and enterprise buyers who prefer custom pricing and dedicated support.
- Which teams is TheirStack best suited for?
- TheirStack is best for budget-conscious teams looking for an affordable data enrichment tool, teams that want to start free and scale up as needs grow, and enterprise buyers who prefer custom pricing and dedicated support, particularly those focused on job posting and technographics data.
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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