PhoneBurner vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare PhoneBurner (sales engagement platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
PhoneBurner is a sales engagement platform for multi-channel outreach and engagement tracking, starting at $165/mo, while TheirStack is a data enrichment tool for B2B lead data and contact enrichment, with a free entry tier. They serve different parts of the outbound workflow, so many teams use PhoneBurner for outreach and TheirStack for finding contact data, rather than choosing only one.
Key takeaways
- PhoneBurner's Standard plan starts at $165/mo, with Professional at $195/mo and Premium at $215/mo, all priced per user.
- TheirStack offers a free tier with 50 company credits and 200 API credits per month, plus an API, Webhooks and MCP plan at $49/mo.
- PhoneBurner lists 9 features including Unlimited Calling, Workflow Automation and Live Call Monitoring & Coaching, while TheirStack lists 8 including Job search, Company search and Webhooks.
- PhoneBurner integrates with 4 tools (Salesforce, HubSpot, Zoho CRM, GoHighLevel), while TheirStack integrates with 5 tools (Clay, LinkedIn Audiences, Make, N8N, Zapier).
- TheirStack was founded in 2021, while the article lists no founding date for PhoneBurner.
Reviewed and updated September 4, 2026
PhoneBurner vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Sales teams building an outbound stack often weigh PhoneBurner, a sales engagement platform for multi-channel sales outreach and engagement tracking, against TheirStack, a data enrichment tool for B2B lead data and contact enrichment. 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
PhoneBurner is a sales engagement platform for multi-channel sales outreach and engagement tracking; TheirStack is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, PhoneBurner lists unlimited calling and workflow automation, and TheirStack lists job search and company search.
TheirStack offers a lower entry point at $0/mo compared to PhoneBurner at $165/mo.
If your priority is coordinating outreach across email, phone, and social channels, PhoneBurner is the one built for it; for finding accurate contact data for target accounts, that is TheirStack. Many teams run one of each.
Understanding the Core Difference
PhoneBurner is Sales dialer platform that blends calls, email and SMS in one outreach workflow, with spam-flag remediation, connect scoring to prioritize likely answers, workflow automation and lead distribution. Includes reporting, live call monitoring and coaching.
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
Standard
Free
PhoneBurner Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Standard | $165/mo | Per user | Unlimited Calling |
| Professional | $195/mo | Per user | Unlimited Calling |
| Premium | $215/mo | Per user | Unlimited Calling |
Source: PhoneBurner 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 $165/mo). Teams watching their budget will appreciate the savings, especially when starting out.
TheirStack offers 4 pricing tiers compared to PhoneBurner'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
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- and 3 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
PhoneBurner Key Features
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- Custom Inbound Routing
- Text Messaging
- Lead Distribution
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 PhoneBurner
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- Custom Inbound Routing
- Text Messaging
- Lead Distribution
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
PhoneBurner Integrations
PhoneBurner connects with: Salesforce, HubSpot, Zoho CRM, GoHighLevel.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Integrations listed only by PhoneBurner: Salesforce, HubSpot, Zoho CRM, GoHighLevel.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Use Case Recommendations
Best Fit for PhoneBurner
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Teams that need a wide feature set (9 capabilities listed)
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
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 | PhoneBurner | TheirStack |
|---|---|---|
| Starting Price | $165/mo | Free |
| Top Tier Price | $215/mo | Contact Sales |
| Total Features Listed | 9 | 8 |
| Integrations | 4 | 5 |
| Founded | N/A | 2021 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions and 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
PhoneBurner serves the multi-channel sales outreach and engagement tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. TheirStack offers a more accessible entry point, while PhoneBurner starts at $165/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 PhoneBurner and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between PhoneBurner and TheirStack?
- PhoneBurner is a sales engagement platform built for multi-channel sales outreach and engagement tracking, including calling, email, and SMS. TheirStack is a data enrichment tool focused on B2B lead data and contact enrichment, letting teams find companies by technology use and hiring activity. They address different parts of the outbound workflow rather than competing directly.
- How much does PhoneBurner cost compared to TheirStack?
- PhoneBurner starts at $165/mo for its Standard plan, rising to $195/mo for Professional and $215/mo for Premium, all priced per user. TheirStack has a free tier with 50 company credits and 200 API credits per month, plus an API, Webhooks and MCP plan at $49/mo and usage-based app pricing.
- Which tool has more integrations, PhoneBurner or TheirStack?
- TheirStack lists 5 integrations (Clay, LinkedIn Audiences, Make, N8N, Zapier), while PhoneBurner lists 4 (Salesforce, HubSpot, Zoho CRM, GoHighLevel). The article notes these lists come from each vendor's own published integration pages.
- Should I use both PhoneBurner and TheirStack together?
- The article suggests many teams run one of each, since PhoneBurner handles multi-channel outreach coordination while TheirStack handles finding accurate contact data for target accounts. It recommends PhoneBurner for mid-market to enterprise teams with established outreach budgets and TheirStack for budget-conscious teams that want to start free and scale.
- Does TheirStack offer a free plan?
- Yes, TheirStack has a free entry tier that includes 50 company credits and 200 API credits per month. This is lower than PhoneBurner's $165/mo entry price, and the article notes it is helpful for evaluating the platform without upfront cost.
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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