EngageBay vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

EngageBay vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

EngageBay (CRM 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

EngageBay 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, EngageBay lists email marketing and landing page builder, and TheirStack lists job search and company search.

Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.

If your priority is organizing contacts, tracking deals, and forecasting revenue, EngageBay 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

EngageBay is EngageBay lets small businesses manage marketing, sales and customer service in one platform. The CRM sits alongside email marketing, landing pages, live chat and a helpdesk, with a free tier for teams of up to 15 members.

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

EngageBay Pricing (as of September 2026)

Source: EngageBay Pricing

TheirStack Pricing (as of September 2026)

Source: TheirStack Pricing

Pricing Analysis

Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.

Both platforms offer free tiers, so you can test each one before spending anything.

Features Breakdown

EngageBay lists

• Email Marketing
• Landing Page Builder
• Lead Scoring
• Marketing Automation
• Service Automation
• Live Chat
• and 2 more listed below

TheirStack lists

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• and 2 more listed below

EngageBay Key Features

• Email Marketing
• Landing Page Builder
• Lead Scoring
• Marketing Automation
• Service Automation
• Live Chat
• Helpdesk
• Custom Reporting

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 EngageBay

• Email Marketing
• Landing Page Builder
• Lead Scoring
• Marketing Automation
• Service Automation
• Live Chat
• Helpdesk
• Custom Reporting

Listed only by TheirStack

• Job search
• Company search
• Company lookup
• Enrichment
• Exports
• Email alerts
• Webhooks
• MCP server

Integration Ecosystem

EngageBay Integrations

EngageBay connects with: Zapier, Shopify, Xero, SendGrid, Mandrill, Stripe, Slack, Twilio, WooCommerce, Google Meet.

TheirStack Integrations

TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.

Shared Integrations

Both tools integrate with: Zapier.

Integrations listed only by EngageBay: Shopify, Xero, SendGrid, Mandrill, Stripe, Slack, Twilio, WooCommerce, Google Meet.

Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N.

Use Case Recommendations

Best Fit for EngageBay

• Budget-conscious teams looking for an affordable CRM platform
• Organizations with complex tech stacks needing broad integration support (10 integrations)
• Teams that want to start free and scale up as needs grow

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

EngageBay serves the customer relationship management and sales pipeline tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. EngageBay offers a more accessible entry point, while TheirStack starts at $0/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 EngageBay and TheirStack for current information.