TheirStack vs Vtiger: Data Enrichment Tool vs CRM Platform Comparison
Compare TheirStack (data enrichment tool) and Vtiger (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
TheirStack is a data enrichment tool for B2B lead data and contact enrichment, while Vtiger is a CRM platform for customer relationship management and sales pipeline tracking. TheirStack starts free with a lower entry point than Vtiger's $15/mo plan. Many teams use both, TheirStack for finding accurate contact data and Vtiger for organizing contacts and tracking deals.
Key takeaways
- TheirStack's Free plan includes 50 company credits and 200 API credits per month, while its API, Webhooks & MCP plan costs $49/mo for 1,500 API credits.
- Vtiger offers five pricing tiers ranging from a free One Pilot plan to One AI at $66/mo, compared to TheirStack's four pricing plans.
- TheirStack integrates with 5 tools including Clay, LinkedIn Audiences, Make, and N8N, while Vtiger integrates with 10 tools including Gmail, Google Workspace, and QuickBooks.
- Zapier is the only integration shared between TheirStack and Vtiger based on each vendor's published integration list.
- Both TheirStack and Vtiger list 8 features each on their own product pages, though the two lists do not overlap by exact wording.
Reviewed and updated September 5, 2026
TheirStack vs Vtiger: Data Enrichment Tool vs CRM Platform Comparison
TheirStack is a data enrichment tool; Vtiger is a CRM platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: B2B lead data and contact enrichment on one side, customer relationship management and sales pipeline tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
TheirStack is a data enrichment tool for B2B lead data and contact enrichment; Vtiger is a CRM platform for customer relationship management and sales pipeline tracking. By each vendor's own wording, TheirStack lists job search and company search, and Vtiger lists contact, account & lead management and marketing campaigns.
TheirStack offers a lower entry point at $0/mo compared to Vtiger at $15/mo.
If your priority is finding accurate contact data for target accounts, TheirStack is the one built for it; for organizing contacts, tracking deals, and forecasting revenue, that is Vtiger. Many teams run one of each.
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.
Vtiger is Vtiger is an all-in-one AI CRM covering sales, marketing, help desk, projects and inventory in one platform. Licences come in a Standard User tier with full access to every app and a cheaper Single App User tier with write access to one app and read-only access to the rest.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
One Growth
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
Vtiger Pricing (as of September 2026)
| Plan | Price |
|---|---|
| One Growth | $15/mo |
| One Professional | $42/mo |
| One Enterprise | $58/mo |
| One AI | $66/mo |
| One Pilot | Free |
Source: Vtiger Pricing
Pricing Analysis
TheirStack is more affordable at the entry level ($0/mo vs $15/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking, this price difference matters.
Vtiger offers 5 pricing tiers compared to TheirStack's 4, giving you more granularity as you scale.
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
- Contact, Account & Lead Management
- Marketing Campaigns
- Help Desk & Customer Portal
- Inventory & Invoicing
- Reports & Dashboards
- Advanced Sales Automation
- and 2 more listed below
TheirStack Key Features
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Vtiger Key Features
- Contact, Account & Lead Management
- Marketing Campaigns
- Help Desk & Customer Portal
- Inventory & Invoicing
- Reports & Dashboards
- Advanced Sales Automation
- Process Designer
- Multi-Currency Support
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 Vtiger
- Contact, Account & Lead Management
- Marketing Campaigns
- Help Desk & Customer Portal
- Inventory & Invoicing
- Reports & Dashboards
- Advanced Sales Automation
- Process Designer
- Multi-Currency Support
Integration Ecosystem
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Vtiger Integrations
Vtiger connects with: Gmail, Google Workspace, Microsoft Outlook, Office 365, Microsoft Teams, WhatsApp, Zapier, Mailchimp, QuickBooks, Xero.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Integrations listed only by Vtiger: Gmail, Google Workspace, Microsoft Outlook, Office 365, Microsoft Teams, WhatsApp, Mailchimp, QuickBooks, Xero.
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 Vtiger
- Budget-conscious teams looking for an affordable CRM platform
- Organizations with complex tech stacks needing broad integration support (10 integrations)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | TheirStack | Vtiger |
|---|---|---|
| Starting Price | Free | $15/mo |
| Top Tier Price | Contact Sales | Free |
| Total Features Listed | 8 | 8 |
| Integrations | 5 | 10 |
| Founded | 2021 | N/A |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and contacts and deals 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 serves the B2B lead data and contact enrichment side of an outbound stack and Vtiger the customer relationship management and sales pipeline tracking side. TheirStack offers a more accessible entry point, while Vtiger starts at $15/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 Vtiger for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between TheirStack and Vtiger?
- TheirStack is a data enrichment tool built for B2B lead data and contact enrichment, using job search and company search to find target accounts. Vtiger is a CRM platform for customer relationship management and sales pipeline tracking, covering contact, account and lead management alongside marketing campaigns.
- Which tool is cheaper to start with, TheirStack or Vtiger?
- TheirStack has a lower entry point at $0/mo compared to Vtiger's $15/mo One Growth plan. Both platforms offer free tiers, so teams can test each one before committing to paid pricing.
- Do TheirStack and Vtiger integrate with the same tools?
- Only partially. TheirStack connects with Clay, LinkedIn Audiences, Make, N8N, and Zapier, while Vtiger connects with Gmail, Google Workspace, Microsoft Outlook, Office 365, Microsoft Teams, WhatsApp, Mailchimp, QuickBooks, Xero, and Zapier. Zapier is the only integration the two tools share.
- Should I use TheirStack, Vtiger, or both?
- It depends on your workflow needs. TheirStack fits budget-conscious teams needing affordable data enrichment, while Vtiger fits teams needing an affordable CRM with broad integration support across 10 tools. The article notes that many teams run one of each rather than choosing exclusively.
- How many pricing tiers does each platform offer?
- Vtiger offers 5 pricing tiers, ranging from the free One Pilot plan up to One AI at $66/mo. TheirStack offers 4 pricing plans, including a Free plan, a usage-based App plan, an API, Webhooks & MCP plan at $49/mo, and a Contact Sales Datasets plan.
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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