Maximizer vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison
Compare Maximizer (CRM platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Maximizer is a CRM platform for contact management, sales pipeline tracking, and forecasting, priced from $65/mo. TheirStack is a data enrichment tool for finding B2B lead data and contact information, with a free tier and a $49/mo API plan. They serve different jobs, so many teams use both rather than choosing one over the other.
Key takeaways
- Maximizer's entry plan, Core, costs $65/mo, while TheirStack's entry plan is free with 50 company credits and 200 API credits per month.
- Maximizer lists 12 features including contact management, AI-powered insights, and deal coaching, while TheirStack lists 8 features including job search, company search, and enrichment.
- Maximizer integrates with 15 tools including DocuSign, Mailchimp, Microsoft Outlook, and Twilio, while TheirStack integrates with 5 tools including Clay, LinkedIn Audiences, and N8N.
- Zapier is the only integration shared between Maximizer and TheirStack according to each vendor's own listed integrations.
- Maximizer offers 5 pricing tiers, Core through Enterprise and On-Premise, while TheirStack offers 4 pricing tiers, Free through Datasets.
Reviewed and updated September 4, 2026
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
Core
Free
Maximizer Pricing (as of September 2026)
| Plan | Price |
|---|---|
| Core | $65/mo |
| Business | $79/mo |
| Business + | $89/mo |
| Enterprise | Contact Sales |
| On-Premise | Contact Sales |
Source: Maximizer 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 $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
- Contact management
- Tasks and reminders
- Interaction tracking
- Mobile app
- Work directly from Outlook
- Opportunity management on Kanban boards
- and 6 more listed below
- 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
| Feature | Maximizer | TheirStack |
|---|---|---|
| Starting Price | $65/mo | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 12 | 8 |
| Integrations | 15 | 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
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.
Frequently asked questions.
Frequently asked questions- What's the main difference between Maximizer and TheirStack?
- Maximizer is a CRM platform built for organizing contacts, tracking deals, and forecasting revenue, while TheirStack is a data enrichment tool built for finding accurate contact data on target accounts. They address different jobs in the outbound stack rather than competing directly, which is why many teams use both.
- Which is cheaper, Maximizer or TheirStack?
- TheirStack has the lower entry point at $0/mo compared to Maximizer's $65/mo Core plan. TheirStack's free tier includes 50 company credits and 200 API credits per month, while Maximizer's paid tiers start at $65/mo and scale up to $89/mo before Enterprise and On-Premise plans that require contacting sales.
- Does Maximizer integrate with TheirStack?
- The article does not list a direct integration between Maximizer and TheirStack. The only integration both tools share, based on each vendor's own listed integrations, is Zapier, which could be used to connect the two platforms indirectly.
- Who should use Maximizer instead of TheirStack?
- Teams that need a wide feature set, currently 12 capabilities listed by Maximizer, or that have complex tech stacks needing broad integration support across 15 listed integrations, are best suited to Maximizer. Enterprise buyers who prefer custom pricing and dedicated support are also a good fit.
- Who should use TheirStack instead of Maximizer?
- Budget-conscious teams looking for an affordable data enrichment tool, or teams that want to start free and scale usage as needs grow, are best suited to TheirStack. Its free tier and usage-based pricing make it easier to evaluate before committing to paid plans.
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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