TheirStack vs UpLead: Data Enrichment Tool Comparison
Compare TheirStack and UpLead side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
TheirStack and UpLead both start free and target contact data enrichment for B2B teams, but differ in focus. TheirStack centers on job search, company search, and technographics with 5 integrations, while UpLead offers 200M+ leads, 95%+ data accuracy, and 8 integrations. Choice depends on budget, team size, and required capabilities.
Key takeaways
- TheirStack's API, Webhooks and MCP plan costs $49/mo with 1,500 API credits per month.
- UpLead's Essentials plan costs $99/mo for 170 credits, and the Plus plan costs $199/mo for 400 credits.
- TheirStack lists 8 total features and 5 integrations, while UpLead lists 10 total features and 8 integrations.
- UpLead claims 200M+ B2B leads worldwide, a 95%+ data accuracy guarantee, and technographics for 16,000+ technologies.
- TheirStack was founded in 2021 and UpLead was founded in 2017.
Reviewed and updated September 4, 2026
TheirStack vs UpLead: Data Enrichment Tool Comparison
Finding the right data enrichment tool can directly impact your revenue pipeline. TheirStack and UpLead both aim to solve the same core problem (finding accurate contact data for target accounts), yet they approach it differently. Let's break down the specifics.
The Quick Answer
By each vendor's own wording, TheirStack lists job search and company search, while UpLead lists 200m+ b2b leads worldwide and 95%+ data accuracy guarantee. 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
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.
UpLead is B2B prospecting platform with 95%+ data accuracy guarantee, real-time email verification, and 200M+ leads worldwide.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
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
UpLead Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Test Drive Free Trial | Free | 5 Credits |
| Essentials | $99/mo | 170 credits/month |
| Plus | $199/mo | 400 credits/month |
| Professional | Contact Sales | Custom |
Source: UpLead 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.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- and 4 more listed below
TheirStack Key Features
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
UpLead Key Features
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- Data enrichment
- Chrome extension
- Bulk lookup
- Company news and alerts
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 TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Listed only by UpLead
- 200M+ B2B leads worldwide
- 95%+ data accuracy guarantee
- Real-time email verification
- 50+ search filters
- Technographics for 16,000+ technologies
- Buyer intent data (Professional)
- Data enrichment
- Chrome extension
- Bulk lookup
- Company news and alerts
Integration Ecosystem
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
UpLead Integrations
UpLead connects with: Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, Zapier.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Integrations listed only by UpLead: Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft.
Use Case Recommendations
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
Best Fit for UpLead
- 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
Feature Comparison Summary
| Feature | TheirStack | UpLead |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 10 |
| Integrations | 5 | 8 |
| Founded | 2021 | 2017 |
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
TheirStack and UpLead both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while UpLead 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 TheirStack and UpLead for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, TheirStack or UpLead?
- Both platforms offer a free tier starting at $0/mo, so pricing at the entry level is identical. Beyond that, TheirStack's API, Webhooks & MCP plan is $49/mo, while UpLead's Essentials plan is $99/mo and Plus is $199/mo. The best choice depends on expected usage and required credits.
- What integrations does TheirStack support?
- TheirStack connects with Clay, LinkedIn Audiences, Make, N8N, and Zapier. That totals 5 integrations, fewer than UpLead's 8. Zapier is the only integration shared between the two platforms.
- What integrations does UpLead support?
- UpLead connects with Salesforce, HubSpot, Zoho CRM, Pipedrive, Microsoft Dynamics 365, Outreach, SalesLoft, and Zapier. That gives it 8 total integrations, making it a stronger fit for organizations with complex tech stacks needing broad integration support.
- What are the main features of TheirStack versus UpLead?
- TheirStack lists job search, company search, company lookup, enrichment, exports, email alerts, webhooks, and an MCP server, totaling 8 features. UpLead lists 10 features including 200M+ B2B leads worldwide, a 95%+ data accuracy guarantee, real-time email verification, 50+ search filters, and technographics for 16,000+ technologies.
- Who should choose TheirStack over UpLead?
- TheirStack fits 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. UpLead suits those same needs plus teams wanting a wider feature set or broader integration support.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
Emailable vs UpLead: Data Enrichment Tool Comparison
Compare Emailable and UpLead side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Apollo.io vs Proofy: Data Enrichment Tool Comparison
Compare Apollo.io and Proofy side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
AroundDeal vs Leadspicker: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare AroundDeal (data enrichment tool) and Leadspicker (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AroundDeal vs Salesflare: Data Enrichment Tool vs CRM Platform Comparison
Compare AroundDeal (data enrichment tool) and Salesflare (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Best PhantomBuster Alternatives in 2026
Looking for alternatives to PhantomBuster? Compare the top data enrichment tools by pricing, features, and integrations.
Gong vs NeverBounce: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Gong (sales engagement platform) and NeverBounce (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.