Clearbit vs TheirStack: Data Enrichment Tool Comparison
Compare Clearbit and TheirStack side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Clearbit and TheirStack both offer B2B data enrichment but differ in focus and price. Clearbit, now Breeze Intelligence by HubSpot, starts at $45/mo and specializes in lead, contact, and account enrichment with real-time scoring. TheirStack starts free and focuses on job postings and technographics for finding companies by hiring signals and tech stack.
Key takeaways
- Clearbit's entry plan costs $45/mo for 100 credits per month, while TheirStack offers a free tier with 50 company credits and 200 API credits per month.
- TheirStack has 4 pricing tiers compared to Clearbit's 3, and its API, Webhooks and MCP plan costs $49/mo for 1,500 API credits.
- Clearbit integrates with HubSpot, Segment, Marketo, and Salesforce, totaling 4 listed integrations.
- TheirStack integrates with Clay, LinkedIn Audiences, Make, N8N, and Zapier, totaling 5 listed integrations.
- TheirStack was founded in 2021, while the article lists no founding date for Clearbit.
Reviewed and updated September 4, 2026
Clearbit vs TheirStack: Data Enrichment Tool Comparison
Clearbit 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, Clearbit lists global data coverage and lead, contact, and account enrichment, 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 Clearbit at $45/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
Clearbit is B2B data enrichment platform (now Breeze Intelligence by HubSpot) with real-time enrichment and visitor identification.
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
Entry
Free
Clearbit Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Entry | $45/mo | 100 credits/month | N/A |
| Business | $1667/mo | Custom | N/A |
| Enterprise | Contact Sales | Custom | N/A |
Source: Clearbit 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 $45/mo). Teams watching their budget will appreciate the savings, especially when starting out.
TheirStack offers 4 pricing tiers compared to Clearbit's 3, giving you more granularity as you scale.
TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- and 2 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Clearbit Key Features
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- Industry categorization
- Buyer intent signals
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 Clearbit
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- Industry categorization
- Buyer intent signals
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Clearbit Integrations
Clearbit connects with: HubSpot, Segment, Marketo, Salesforce.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Integrations listed only by Clearbit: HubSpot, Segment, Marketo, Salesforce.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Use Case Recommendations
Best Fit for Clearbit
- Budget-conscious teams looking for an affordable data enrichment tool
- Enterprise buyers who prefer custom pricing and dedicated support
- 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
- Organizations with complex tech stacks needing broad integration support (5 integrations)
- 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 | Clearbit | TheirStack |
|---|---|---|
| Starting Price | $45/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 8 |
| Integrations | 4 | 5 |
| Founded | N/A | 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
Clearbit and TheirStack both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while Clearbit starts at $45/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 Clearbit and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Clearbit and TheirStack?
- Clearbit is a B2B data enrichment platform, now known as Breeze Intelligence by HubSpot, offering real-time enrichment and visitor identification. TheirStack is a job posting and technographics database that helps sales teams find companies by the technologies they use and the roles they are hiring for, then enriches those company lists with buying intent data.
- Which tool is cheaper, Clearbit or TheirStack?
- TheirStack has the lower entry point at $0/mo with its free tier, compared to Clearbit's entry plan starting at $45/mo. TheirStack also offers a paid API, Webhooks, and MCP plan at $49/mo, while Clearbit's next tier up, Business, costs $1667/mo.
- How many integrations do Clearbit and TheirStack support?
- Clearbit lists 4 integrations: HubSpot, Segment, Marketo, and Salesforce. TheirStack lists 5 integrations: Clay, LinkedIn Audiences, Make, N8N, and Zapier, making it slightly broader for teams with complex tech stacks.
- Is TheirStack good for teams that want to start free?
- Yes, TheirStack includes a free tier with 50 company credits and 200 API credits per month, which the article notes is helpful for evaluating the platform without upfront cost. This makes it a fit for teams that want to start free and scale up as needs grow.
- Who should use Clearbit instead of TheirStack?
- According to the article, Clearbit fits budget-conscious teams looking for an affordable enrichment tool, enterprise buyers who prefer custom pricing and dedicated support, revenue operations teams building targeted prospect lists, and marketing teams enriching CRM data for segmentation.
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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