Onpipeline vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

Onpipeline vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison

Onpipeline is a CRM platform; TheirStack is a data enrichment tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: customer relationship management and sales pipeline tracking on one side, B2B lead data and contact enrichment on the other. This guide lays out what each vendor publishes.

The Quick Answer

Onpipeline 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, Onpipeline lists sales process and pipeline management and quote management and e-signature, and TheirStack lists job search and company search.

TheirStack offers a lower entry point at $0/mo compared to Onpipeline at $25/mo.

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

Onpipeline is Onpipeline is a sales CRM for managing the pipeline, leads and deals, creating quotes, collecting e-signatures, managing recurring revenue and issuing invoices. Every plan includes unlimited teams, contacts, storage, deals and pipelines and the API.

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

$25/moOnpipeline entry plan

Pipeline

FreeTheirStack entry plan

Free

Onpipeline Pricing (as of September 2026)

Source: Onpipeline Pricing

TheirStack Pricing (as of September 2026)

Source: TheirStack Pricing

Pricing Analysis

TheirStack offers the lower entry point ($0/mo vs $25/mo). Teams watching their budget will appreciate the savings, especially when starting out.

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

Features Breakdown

Onpipeline lists

• Sales process and pipeline management
• Quote management and e-signature
• Lead management
• Invoices and credit notes
• Subscriptions and recurring revenue
• Customer portal
• and 4 more listed below

TheirStack lists

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

Onpipeline Key Features

• Sales process and pipeline management
• Quote management and e-signature
• Lead management
• Invoices and credit notes
• Subscriptions and recurring revenue
• Customer portal
• Appointment booking
• Web forms
• CRM automation
• Reports and insights

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 Onpipeline

• Sales process and pipeline management
• Quote management and e-signature
• Lead management
• Invoices and credit notes
• Subscriptions and recurring revenue
• Customer portal
• Appointment booking
• Web forms
• CRM automation
• Reports and insights

Listed only by TheirStack

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

Integration Ecosystem

Onpipeline Integrations

Onpipeline connects with: Google, Microsoft, Mailchimp, Zapier, Aircall, JustCall, CloudTalk, QuickBooks, Calendly, Facebook Lead Ads, Google Ads, WPForms, Ninja Forms, Typeform.

TheirStack Integrations

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

Shared Integrations

Both tools integrate with: Zapier.

Integrations listed only by Onpipeline: Google, Microsoft, Mailchimp, Aircall, JustCall, CloudTalk, QuickBooks, Calendly, Facebook Lead Ads, Google Ads, WPForms, Ninja Forms, Typeform.

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

Use Case Recommendations

Best Fit for Onpipeline

• Budget-conscious teams looking for an affordable CRM platform
• Teams that need a wide feature set (10 capabilities listed)
• Organizations with complex tech stacks needing broad integration support (14 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

Onpipeline 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 Onpipeline starts at $25/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 Onpipeline and TheirStack for current information.