TheirStack vs VoilaNorbert: Data Enrichment Tool Comparison
Compare TheirStack and VoilaNorbert side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Compare TheirStack and VoilaNorbert side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
Reviewed and updated September 2, 2026
TheirStack vs VoilaNorbert: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, TheirStack and VoilaNorbert will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, TheirStack lists job search and company search, while VoilaNorbert lists email finder and email verification. 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 VoilaNorbert 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
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.
VoilaNorbert is Email finder that returns a contact email address from a person name and a company domain. Also verifies email lists, enriches leads and sends email sequences.
Both platforms offer enrichment. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
Free
Valet
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
VoilaNorbert Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Valet | $49/mo | Up to 1,000 leads/month |
| Butler | $99/mo | Up to 5,000 leads/month |
| Advisor | $249/mo | Up to 15,000 leads/month |
| Counselor | $499/mo | Up to 50,000 leads/month |
Source: VoilaNorbert Pricing
Pricing Analysis
TheirStack is more affordable at the entry level ($0/mo vs $49/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment, this price difference matters.
TheirStack includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Job search
- Company search
- Company lookup
- Exports
- Email alerts
- Webhooks
- and 1 more listed below
- Enrichment
- Email finder
- Email verification
- Sequences
- Chrome Extension
- Google Sheets Add-On
- Bulk & API usage included
- and 1 more listed below
TheirStack Key Features
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
VoilaNorbert Key Features
- Email finder
- Email verification
- Enrichment
- Sequences
- Chrome Extension
- Google Sheets Add-On
- Bulk & API usage included
- Credit rollover
Shared Capabilities
Both TheirStack and VoilaNorbert include:
- Enrichment
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
- Exports
- Email alerts
- Webhooks
- MCP server
Listed only by VoilaNorbert
- Email finder
- Email verification
- Sequences
- Chrome Extension
- Google Sheets Add-On
- Bulk & API usage included
- Credit rollover
Integration Ecosystem
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
VoilaNorbert Integrations
VoilaNorbert connects with: Zapier, Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, Mailchimp, SendGrid, Formstack.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Integrations listed only by VoilaNorbert: Salesforce, Pipedrive, Mailshake, Drip, Hubspot, Close.com, Mailchimp, SendGrid, Formstack.
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 VoilaNorbert
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (10 integrations)
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
Feature Comparison Summary
| Feature | TheirStack | VoilaNorbert |
|---|---|---|
| Starting Price | Free | $49/mo |
| Top Tier Price | Contact Sales | $499/mo |
| Total Features Listed | 8 | 8 |
| Integrations | 5 | 10 |
| Founded | 2021 | N/A |
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 VoilaNorbert both serve the B2B lead data and contact enrichment market. TheirStack offers a more accessible entry point, while VoilaNorbert 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 TheirStack and VoilaNorbert for current information.
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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