TheirStack vs Vanillasoft: Data Enrichment Tool vs Sales Engagement Platform Comparison
Compare TheirStack (data enrichment tool) and Vanillasoft (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare TheirStack (data enrichment tool) and Vanillasoft (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 2, 2026
TheirStack vs Vanillasoft: Data Enrichment Tool vs Sales Engagement Platform Comparison
Sales teams building an outbound stack often weigh TheirStack, a data enrichment tool for B2B lead data and contact enrichment, against Vanillasoft, a sales engagement platform for multi-channel sales outreach and engagement tracking. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
TheirStack is a data enrichment tool for B2B lead data and contact enrichment; Vanillasoft is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, TheirStack lists job search and company search, and Vanillasoft lists queue-based routing that serves the next-best record to each rep and progressive dialer with automatic dialing of the next contact.
TheirStack publishes an entry price of $0/mo; Vanillasoft uses custom pricing, so the two cannot be compared on list price.
If your priority is finding accurate contact data for target accounts, TheirStack is the one built for it; for coordinating outreach across email, phone, and social channels, that is Vanillasoft. 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.
Vanillasoft is All-in-one sales engagement platform with queue-based lead routing, real-time lead management, auto-dialer and multi-channel automation for email, SMS and calling.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Core
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
Vanillasoft Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Core | Contact Sales | Includes your team's first 5 seats |
| Advantage | Contact Sales | Includes your team's first 5 seats |
| Enterprise | Contact Sales | Includes your team's first 5 seats |
| Fundraising | Contact Sales | Includes your team's first 5 seats |
Source: Vanillasoft Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
TheirStack includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
- Queue-based routing that serves the next-best record to each rep
- Progressive dialer with automatic dialing of the next contact
- Enterprise grade VoIP with preview or progressive dialing
- Sales automation for email, SMS, call recording and transcription
- Speed to lead and personal lead management
- SmartCaller Trust and SmartCaller ID
- and 4 more listed below
TheirStack Key Features
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Vanillasoft Key Features
- Queue-based routing that serves the next-best record to each rep
- Progressive dialer with automatic dialing of the next contact
- Enterprise grade VoIP with preview or progressive dialing
- Sales automation for email, SMS, call recording and transcription
- Speed to lead and personal lead management
- SmartCaller Trust and SmartCaller ID
- Online appointment scheduler
- Reporting and dashboards
- API access and custom tables
- Single sign-on and IP restrictions
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 Vanillasoft
- Queue-based routing that serves the next-best record to each rep
- Progressive dialer with automatic dialing of the next contact
- Enterprise grade VoIP with preview or progressive dialing
- Sales automation for email, SMS, call recording and transcription
- Speed to lead and personal lead management
- SmartCaller Trust and SmartCaller ID
- Online appointment scheduler
- Reporting and dashboards
- API access and custom tables
- Single sign-on and IP restrictions
Integration Ecosystem
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Vanillasoft Integrations
Vanillasoft connects with: Salesforce, DocuSign, Vidyard, Gong, Chorus, Google Meet.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Integrations listed only by Vanillasoft: Salesforce, DocuSign, Vidyard, Gong, Chorus, Google Meet.
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 Vanillasoft
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | TheirStack | Vanillasoft |
|---|---|---|
| Starting Price | Free | Contact Sales |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 10 |
| Integrations | 5 | 6 |
| Founded | 2021 | 2005 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and sequences and engagement actions 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 Vanillasoft the multi-channel sales outreach and engagement tracking side. TheirStack publishes an entry price (a free tier), while Vanillasoft uses custom pricing for its plans, so compare on features and on the quote you receive. 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 Vanillasoft 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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