Regie.ai vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Compare Regie.ai (sales engagement platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Regie.ai is a sales engagement platform for multi-channel outreach across email, phone, and social, while TheirStack is a data enrichment tool for B2B lead data and contact enrichment. Both offer free tiers starting at $0 per month, with paid plans at $49 per month. Many teams use both tools together rather than picking just one.
Key takeaways
- Regie.ai's Pro plan costs $49 per month and includes 5,000 credits every month, while its free plan offers 250 one-time credits.
- TheirStack's API, Webhooks and MCP plan costs $49 per month for 1,500 API credits, while its free plan includes 50 company credits and 200 API credits per month.
- TheirStack offers 4 pricing tiers compared to Regie.ai's 3 pricing tiers.
- Regie.ai integrates with Gmail, Microsoft Outlook, HubSpot, and LinkedIn, while TheirStack integrates with Clay, LinkedIn Audiences, Make, N8N, and Zapier.
- Regie.ai lists 10 features on its own page, while TheirStack lists 8 features on its own page.
Reviewed and updated September 5, 2026
Regie.ai vs TheirStack: Sales Engagement Platform vs Data Enrichment Tool Comparison
Sales teams building an outbound stack often weigh Regie.ai, a sales engagement platform for multi-channel sales outreach and engagement 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
Regie.ai is a sales engagement platform for multi-channel sales outreach and engagement tracking; TheirStack is a data enrichment tool for B2B lead data and contact enrichment. By each vendor's own wording, Regie.ai lists ai agents for sourcing, ranking, call prep and follow-ups and relevant messaging trained on your voice and company pitch, 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 coordinating outreach across email, phone, and social channels, Regie.ai 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
Regie.ai is Agentic sales workspace (RegieGO) with built-in enrichment, emailing, dialing and workflows, plus multi-channel outreach plays across email, phone and social run from a single chat interface.
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
Regie.ai Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 250 credits to get started (one-time) |
| Pro | $49/mo | 5,000 credits every month |
| Enterprise | Contact Sales | Volume credits, priced to your team |
Source: Regie.ai 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
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.
TheirStack offers 4 pricing tiers compared to Regie.ai's 3, giving you more granularity as you scale.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- and 4 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Regie.ai Key Features
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- Website visitor identification
- Lead enrichment with a multi-provider waterfall
- Pre-built plays ready to run
- Sales-Ready AI with pre-baked prompts and automations
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 Regie.ai
- AI Agents for sourcing, ranking, call prep and follow-ups
- Relevant Messaging trained on your voice and company pitch
- Channel Orchestration across phone, email and social
- Multi-channel outreach plays with an execution timeline
- Built-in enrichment, emailing, dialing and workflows
- Always-On Pipeline with why-now signal tracking
- Website visitor identification
- Lead enrichment with a multi-provider waterfall
- Pre-built plays ready to run
- Sales-Ready AI with pre-baked prompts and automations
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Regie.ai Integrations
Regie.ai connects with: Gmail, Microsoft Outlook, HubSpot, LinkedIn.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Integrations listed only by Regie.ai: Gmail, Microsoft Outlook, HubSpot, LinkedIn.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Use Case Recommendations
Best Fit for Regie.ai
- Budget-conscious teams looking for an affordable sales engagement platform
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for TheirStack
- Budget-conscious teams looking for an affordable data enrichment tool
- Organizations with complex tech stacks needing broad integration support (5 integrations)
- 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 | Regie.ai | TheirStack |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 4 | 5 |
| Founded | N/A | 2021 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected sequences and engagement actions 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
Regie.ai serves the multi-channel sales outreach and engagement tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. Regie.ai 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 Regie.ai and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Regie.ai and TheirStack?
- Regie.ai is a sales engagement platform built for multi-channel outreach and engagement tracking across email, phone, and social, while TheirStack is a data enrichment tool focused on B2B lead data and contact enrichment such as job postings and technographics. They cover different parts of the outbound workflow, so many teams use both.
- How much does Regie.ai cost?
- Regie.ai offers a free plan with 250 one-time credits, a Pro plan at $49 per month with 5,000 credits every month, and an Enterprise plan with volume credits priced through Contact Sales.
- How much does TheirStack cost?
- TheirStack has a free plan with 50 company credits and 200 API credits per month, a usage-based App plan with credit packs from 1,000 to 200,000, an API, Webhooks and MCP plan at $49 per month for 1,500 API credits, and a Datasets plan priced through Contact Sales.
- Which tool has more pricing tiers?
- TheirStack offers 4 pricing tiers compared to Regie.ai's 3, giving more granularity as usage scales, though both platforms start with a free tier at $0 per month.
- Can Regie.ai and TheirStack be used together?
- Yes, since they cover different parts of the outbound sales workflow, many teams run one of each: Regie.ai for multi-channel outreach and engagement tracking, and TheirStack for finding and enriching B2B contact data.
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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