Maximizer vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

Maximizer vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

Maximizer (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

Maximizer 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, Maximizer lists contact management and tasks and reminders, and TheirStack lists job search and company search.

TheirStack offers a lower entry point at $0/mo compared to Maximizer at $65/mo.

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

Maximizer is Maximizer is a customizable CRM with AI-powered insights, sold in an all-industries edition and a financial services edition for wealth, insurance and financial advisory teams. It is made in Canada and offers cloud and on-premise deployment.

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

$65/moMaximizer entry plan

Core

FreeTheirStack entry plan

Free

Maximizer Pricing (as of September 2026)

Source: Maximizer Pricing

TheirStack Pricing (as of September 2026)

Source: TheirStack Pricing

Pricing Analysis

TheirStack offers the lower entry point ($0/mo vs $65/mo). Teams watching their budget will appreciate the savings, especially when starting out.

Maximizer offers 5 pricing tiers compared to TheirStack's 4, giving you more granularity as you scale.

TheirStack includes a free tier, which is helpful for evaluating the platform without upfront cost.

Features Breakdown

Maximizer lists

• Contact management
• Tasks and reminders
• Interaction tracking
• Mobile app
• Work directly from Outlook
• Opportunity management on Kanban boards
• and 6 more listed below

TheirStack lists

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

Maximizer Key Features

• Contact management
• Tasks and reminders
• Interaction tracking
• Mobile app
• Work directly from Outlook
• Opportunity management on Kanban boards
• Sales pipeline and funnel visualization
• Custom dashboards
• Real-time reporting and analytics
• AI-powered insights
• Workflow automation
• Deal coaching

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 Maximizer

• Contact management
• Tasks and reminders
• Interaction tracking
• Mobile app
• Work directly from Outlook
• Opportunity management on Kanban boards
• Sales pipeline and funnel visualization
• Custom dashboards
• Real-time reporting and analytics
• AI-powered insights
• Workflow automation
• Deal coaching

Listed only by TheirStack

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

Integration Ecosystem

Maximizer Integrations

Maximizer connects with: DocuSign, Mailchimp, Microsoft Outlook, Microsoft Teams, SendGrid, Twilio, Zapier, BigCommerce, Shopify, WooCommerce, QuickBooks, QuoteWerks, Calendly, Chili Piper, Drift.

TheirStack Integrations

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

Shared Integrations

Both tools integrate with: Zapier.

Integrations listed only by Maximizer: DocuSign, Mailchimp, Microsoft Outlook, Microsoft Teams, SendGrid, Twilio, BigCommerce, Shopify, WooCommerce, QuickBooks, QuoteWerks, Calendly, Chili Piper, Drift.

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

Use Case Recommendations

Best Fit for Maximizer

• Teams that need a wide feature set (12 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (15 integrations)
• Enterprise buyers who prefer custom pricing and dedicated support

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

Maximizer 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 Maximizer starts at $65/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 Maximizer and TheirStack for current information.