Keap vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

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

$299/moKeap entry plan

Keap

FreeTheirStack entry plan

Free

Keap Pricing (as of September 2026)

Source: Keap Pricing

TheirStack Pricing (as of September 2026)

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

Keap lists

• Contact management
• Contact segmentation (tags)
• Email broadcasts
• Sales pipeline
• Appointment scheduler
• Quotes
• and 2 more listed below

TheirStack lists

• 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

Getting Started Checklist

1. Define your customer relationship management and sales pipeline tracking and B2B lead data and contact enrichment requirements and monthly budget
2. Estimate your expected contacts and deals and data credits or contact lookups to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. 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.