Flowlu vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison
Compare Flowlu (CRM platform) and TheirStack (data enrichment tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Flowlu and TheirStack solve different problems, so they are not direct competitors. Flowlu is a CRM platform for customer relationship management and sales pipeline tracking, while TheirStack is a data enrichment tool for B2B lead data and contact enrichment. Both start free, and many teams run both tools together rather than choosing one.
Key takeaways
- Flowlu and TheirStack both offer a free starting tier at $0 per month.
- Flowlu's paid tiers are Essential at $12 per month, Advanced at $22 per month, and Ultimate at $32 per month.
- TheirStack's API, Webhooks and MCP plan costs $49 per month and includes 1,500 API credits.
- Flowlu lists 10 features and 18 integrations, including Gmail, Microsoft Outlook, Stripe, and Zendesk Support.
- TheirStack lists 8 features and 5 integrations, including Clay, LinkedIn Audiences, Make, N8N, and Zapier.
Reviewed and updated September 4, 2026
Flowlu vs TheirStack: CRM Platform vs Data Enrichment Tool Comparison
Sales teams building an outbound stack often weigh Flowlu, a CRM platform for customer relationship management and sales pipeline 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
Flowlu 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, Flowlu lists multiple sales pipelines and email sync and email templates, 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, Flowlu 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
Flowlu is Flowlu is a project management and CRM platform built to work together for teams running client work, connecting deals, delivery and client details from first call to final invoice. It also bundles tasks, finance and invoicing, a client portal and a knowledge base.
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
Flowlu Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 100 contacts, 1 pipeline |
| Essential | $12/mo | - |
| Advanced | $22/mo | - |
| Ultimate | $32/mo | - |
Source: Flowlu 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.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- Multiple sales pipelines
- Email sync and email templates
- CRM reports
- Sales automations
- Email tracking
- Client portal
- and 4 more listed below
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- and 2 more listed below
Flowlu Key Features
- Multiple sales pipelines
- Email sync and email templates
- CRM reports
- Sales automations
- Email tracking
- Client portal
- Lead capture forms
- Invoices and estimates
- Tasks and projects with Kanban and Gantt views
- Knowledge base
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 Flowlu
- Multiple sales pipelines
- Email sync and email templates
- CRM reports
- Sales automations
- Email tracking
- Client portal
- Lead capture forms
- Invoices and estimates
- Tasks and projects with Kanban and Gantt views
- Knowledge base
Listed only by TheirStack
- Job search
- Company search
- Company lookup
- Enrichment
- Exports
- Email alerts
- Webhooks
- MCP server
Integration Ecosystem
Flowlu Integrations
Flowlu connects with: Gmail, Microsoft Outlook, IMAP, Google Drive, Dropbox, OneDrive, Twilio, Zadarma, Stripe, Square, PayPal, Mailchimp, Tilda, JivoChat, Calendly, Google Calendar, Apple Calendar, Zendesk Support.
TheirStack Integrations
TheirStack connects with: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Integrations listed only by Flowlu: Gmail, Microsoft Outlook, IMAP, Google Drive, Dropbox, OneDrive, Twilio, Zadarma, Stripe, Square, PayPal, Mailchimp, Tilda, JivoChat, Calendly, Google Calendar, Apple Calendar, Zendesk Support.
Integrations listed only by TheirStack: Clay, LinkedIn Audiences, Make, N8N, Zapier.
Use Case Recommendations
Best Fit for Flowlu
- 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 (18 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
| Feature | Flowlu | TheirStack |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | $32/mo | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 18 | 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
Flowlu serves the customer relationship management and sales pipeline tracking side of an outbound stack and TheirStack the B2B lead data and contact enrichment side. Flowlu 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 Flowlu and TheirStack for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Flowlu and TheirStack?
- Flowlu is a CRM platform built for customer relationship management and sales pipeline tracking, covering deals, tasks, invoicing, and a client portal. TheirStack is a data enrichment tool focused on B2B lead data and contact enrichment, including job search, company search, and technographics. They cover different parts of the sales workflow rather than competing directly.
- Which is cheaper, Flowlu or TheirStack?
- Both platforms start at the same $0 per month price point on their free tiers, so neither is cheaper at entry. Beyond that, Flowlu's paid plans range from $12 to $32 per month, while TheirStack offers usage-based company credit packs, a $49 per month API plan, and custom Contact Sales pricing for its Datasets tier.
- Can I use Flowlu and TheirStack together?
- Yes, the article notes that many teams run one of each because they serve different needs. Flowlu organizes contacts, tracks deals, and forecasts revenue, while TheirStack finds accurate contact data for target accounts, so combining them covers both pipeline management and lead enrichment.
- What integrations does each tool support?
- Flowlu connects with 18 tools including Gmail, Microsoft Outlook, IMAP, Google Drive, Dropbox, OneDrive, Stripe, PayPal, and Zendesk Support. TheirStack connects with 5 tools: Clay, LinkedIn Audiences, Make, N8N, and Zapier. Flowlu's integration list is aimed at broader business operations, while TheirStack's is focused on data workflow automation.
- Who should choose TheirStack over Flowlu?
- According to the article, TheirStack fits budget-conscious teams looking for an affordable data enrichment tool, teams that want to start free and scale up, and enterprise buyers who prefer custom pricing and dedicated support. It lists 8 features including job search, company lookup, enrichment, and webhooks.
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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