Kixie vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Kixie (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.
Kixie is a sales engagement platform built for multi-channel outbound calling, texting, and CRM-synced outreach cadences, while TheirStack is a data enrichment tool for finding company and contact data through job postings and technographics. Kixie uses custom pricing, TheirStack starts free. Teams needing outreach choose Kixie; teams needing lead data choose TheirStack, and many use both.
Key takeaways
- TheirStack's Free plan includes 50 company credits and 200 API credits per month, while Kixie's three plans all use contact-sales pricing.
- TheirStack's API, Webhooks & MCP plan costs $49 per month for 1,500 API credits per month.
- Kixie lists 12 features including Live Call Coaching, Conversation Intelligence, and a Developer API, compared to TheirStack's 8 listed features such as Job search, Webhooks, and MCP server.
- Kixie integrates with HubSpot, Salesforce, Zoho, and Pipedrive, while TheirStack integrates with Clay, LinkedIn Audiences, Make, and N8N, with Zapier shared by both.
- TheirStack publishes 4 pricing tiers compared to Kixie's 3 pricing tiers.
Reviewed and updated September 4, 2026
Kixie vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Kixie (sales engagement platform) and TheirStack (data enrichment tool) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
Kixie 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, Kixie lists outbound call & text cadences and bi-directional crm integration, and TheirStack lists job search and company search.
TheirStack publishes an entry price of $0/mo; Kixie uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, Kixie 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
Kixie is AI-powered sales communications platform combining a multi-line power dialer, business SMS and a contact center with bi-directional CRM integration. Runs automated outbound calling and texting cadences and adds conversation intelligence for call analysis 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
Professional Plan
Free
Kixie Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Professional Plan | Contact Sales | Unlimited Minutes for US/Canada calls |
| Single-Line PowerDialer | Contact Sales | Unlimited Minutes for US/Canada calls; 1-line PowerDialer |
| Multi-Line PowerDialer | Contact Sales | Unlimited Minutes for US/Canada calls; PowerDial up to 4 lines |
Source: Kixie 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
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 offers 4 pricing tiers compared to Kixie'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
- Outbound Call & Text Cadences
- Bi-Directional CRM Integration
- Click-to-Call / Click-to-Text
- SMS Templates
- Team SMS
- Voicemail Drop
- and 6 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Kixie Key Features
- Outbound Call & Text Cadences
- Bi-Directional CRM Integration
- Click-to-Call / Click-to-Text
- SMS Templates
- Team SMS
- Voicemail Drop
- Live Call Coaching
- IVR Auto-Attendant
- Call Recording
- ConnectionBoost
- Conversation Intelligence
- Developer API
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 Kixie
- Outbound Call & Text Cadences
- Bi-Directional CRM Integration
- Click-to-Call / Click-to-Text
- SMS Templates
- Team SMS
- Voicemail Drop
- Live Call Coaching
- IVR Auto-Attendant
- Call Recording
- ConnectionBoost
- Conversation Intelligence
- Developer API
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Kixie Integrations
Kixie connects with: HubSpot, Salesforce, Zoho, Pipedrive, Zapier.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by Kixie: HubSpot, Salesforce, Zoho, Pipedrive.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Use Case Recommendations
Best Fit for Kixie
- Teams that need a wide feature set (12 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
- 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
- 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 | Kixie | TheirStack |
|---|---|---|
| Starting Price | Contact Sales | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 12 | 8 |
| Integrations | 5 | 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
Kixie 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 publishes an entry price (a free tier), while Kixie 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 Kixie and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What's the difference between Kixie and TheirStack?
- Kixie is a sales engagement platform built around a multi-line power dialer, business SMS, and bi-directional CRM integration for running outbound call and text cadences. TheirStack is a job posting and technographics database that finds companies by the technologies they use and roles they're hiring for, then enriches company lists with technographics and buying intent.
- How much does Kixie cost?
- Kixie uses contact-sales pricing across all three of its plans: Professional Plan, Single-Line PowerDialer, and Multi-Line PowerDialer. Each plan includes unlimited minutes for US/Canada calls, with the Multi-Line PowerDialer plan allowing dialing up to 4 lines at once. Exact pricing requires contacting Kixie's sales team.
- How much does TheirStack cost?
- TheirStack has a Free plan with 50 company credits and 200 API credits per month. Its App plan is usage-based with company credit packs from 1,000 to 200,000 credits, its API, Webhooks & MCP plan costs $49 per month for 1,500 API credits per month, and its Datasets plan requires contacting sales.
- Which CRMs and tools does Kixie integrate with compared to TheirStack?
- Kixie integrates with HubSpot, Salesforce, Zoho, and Pipedrive, in addition to Zapier. TheirStack integrates with Clay, LinkedIn Audiences, Make, and N8N, also alongside Zapier. Zapier is the only integration shared between the two platforms based on their published integration lists.
- Should I use Kixie and TheirStack together?
- Many teams do run both, since they solve different parts of the outbound stack. Kixie handles multi-channel outreach and engagement tracking through calls, texts, and CRM syncing, while TheirStack handles finding and enriching B2B contact and company data, so the two can complement rather than replace each other.
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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