Keap vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison
Compare Keap (CRM platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Keap and TheirStack solve different problems and are not direct competitors. Keap is a CRM platform for customer relationship management and sales pipeline tracking, priced at $299/mo starting at 1,500 contacts. TheirStack is a data enrichment tool for B2B lead data and contact enrichment, starting free. Many teams use both together rather than choosing one over the other.
Key takeaways
- Keap costs $299/mo starting at 1,500 contacts and 2 users, while TheirStack's free tier includes 50 company credits and 200 API credits per month.
- TheirStack offers 4 pricing tiers including Free, App (usage-based), API Webhooks and MCP at $49/mo, and a Contact Sales Datasets tier, compared to Keap's single $299/mo plan.
- Keap lists 8 features including contact management, contact segmentation, email broadcasts, sales pipeline, appointment scheduler, quotes, invoices, and text marketing.
- TheirStack lists 8 features including job search, company search, company lookup, enrichment, exports, email alerts, webhooks, and MCP server.
- Keap integrates with 6 tools including Gmail, Outlook, Zapier, PayPal, Stripe, and Eway, while TheirStack integrates with 5 tools including Clay, LinkedIn Audiences, Make, N8N, and Zapier, with Zapier as the only shared integration.
Reviewed and updated September 5, 2026
Keap vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison
Sales teams building an outbound stack often weigh Keap, a CRM platform for customer relationship management and sales pipeline 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
Keap is a CRM platform for customer relationship management and sales pipeline tracking; TheirStack is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Keap lists contact management and contact segmentation (tags), and TheirStack lists job search and company search.
TheirStack offers a lower entry point at $0/mo compared to Keap at $299/mo.
If your priority is organizing contacts, tracking deals, and forecasting revenue, Keap 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
Keap is Keap is a small business CRM and automation platform combining contact management, marketing and sales automation, appointments, quotes and invoicing in one product. It is sold as a single plan priced by contact count rather than by feature tier.
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
Keap
Free
Keap Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Keap | $299/mo | Starting at 1,500 contacts and 2 users |
Source: Keap 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 $299/mo). Teams watching their budget will appreciate the savings, especially when starting out.
TheirStack offers 4 pricing tiers compared to Keap's 1, giving you more granularity as you scale.
TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Contact management
- Contact segmentation (tags)
- Email broadcasts
- Sales pipeline
- Appointment scheduler
- Quotes
- and 2 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Keap Key Features
- Contact management
- Contact segmentation (tags)
- Email broadcasts
- Sales pipeline
- Appointment scheduler
- Quotes
- Invoices
- Text marketing
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 Keap
- Contact management
- Contact segmentation (tags)
- Email broadcasts
- Sales pipeline
- Appointment scheduler
- Quotes
- Invoices
- Text marketing
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Keap Integrations
Keap connects with: Gmail, Outlook, Zapier, PayPal, Stripe, Eway.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Shared Integrations
Both tools integrate with: Zapier.
Integrations listed only by Keap: Gmail, Outlook, PayPal, Stripe, Eway.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.
Use Case Recommendations
Best Fit for Keap
- Mid-market to enterprise teams with established customer relationship management and sales pipeline tracking budgets
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Sales teams tracking deals from first touch to close
- Managers who need pipeline visibility and forecasting
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 | Keap | TheirStack |
|---|---|---|
| Starting Price | $299/mo | Free |
| Top Tier Price | $299/mo | Contact Sales |
| Total Features Listed | 8 | 8 |
| Integrations | 6 | 5 |
| Founded | N/A | 2021 |
Getting Started Checklist
- Define your customer relationship management and sales pipeline tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected contacts and deals 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
Keap serves the customer relationship management and sales pipeline tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. TheirStack offers a more accessible entry point, while Keap starts at $299/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 Keap and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Keap and TheirStack?
- Keap is a CRM platform built for customer relationship management and sales pipeline tracking, while TheirStack is a data enrichment tool built for B2B lead data and contact enrichment. They serve different parts of the sales workflow, so many teams use one of each rather than choosing between them.
- Which is cheaper, Keap or TheirStack?
- TheirStack has the lower entry point at free, compared to Keap's $299/mo starting plan for 1,500 contacts and 2 users. TheirStack also offers more pricing tiers overall, four compared to Keap's single plan, giving more granularity as usage scales.
- Does Keap offer a free plan?
- No, based on the pricing listed, Keap has a single plan priced at $299/mo starting at 1,500 contacts and 2 users. TheirStack, by contrast, includes a free tier with 50 company credits and 200 API credits per month.
- What integrations does TheirStack support?
- TheirStack connects with Clay, LinkedIn Audiences, Make, N8N, and Zapier. Zapier is the only integration shared with Keap, which otherwise connects with Gmail, Outlook, PayPal, Stripe, and Eway.
- Who is TheirStack best suited for?
- TheirStack is best suited for budget-conscious teams looking for an affordable data enrichment tool, teams that want to start free and scale up as needs grow, and enterprise buyers who prefer custom pricing and dedicated support.
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
Connect on LinkedIn →Explore more.
Ready to scale your outreach?
We build GTM engines that book real meetings. See the receipts.
Related articles.
AroundDeal vs Salesflare: Data Enrichment Tool vs CRM Platform Comparison
Compare AroundDeal (data enrichment tool) and Salesflare (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Evaboot vs Microsoft Dynamics 365 Sales: Data Enrichment Tool vs CRM Platform Comparison
Compare Evaboot (data enrichment tool) and Microsoft Dynamics 365 Sales (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Agile CRM vs LeadIQ: CRM Platform vs Data Enrichment Tool Comparison
Compare Agile CRM (CRM platform) and LeadIQ (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Anymail Finder vs Pipeline CRM: Data Enrichment Tool vs CRM Platform Comparison
Compare Anymail Finder (data enrichment tool) and Pipeline CRM (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AroundDeal vs Maximizer: Data Enrichment Tool vs CRM Platform Comparison
Compare AroundDeal (data enrichment tool) and Maximizer (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Breakcold vs Bulk Email Checker: CRM Platform vs Data Enrichment Tool Comparison
Compare Breakcold (CRM platform) and Bulk Email Checker (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.