Flowlu vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Compare Flowlu (CRM platform) and SalesStack (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare Flowlu (CRM platform) and SalesStack (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
Flowlu vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Flowlu (CRM platform) and SalesStack (sales engagement platform) 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
Flowlu is a CRM platform for customer relationship management and sales pipeline tracking; SalesStack is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, Flowlu lists multiple sales pipelines and email sync and email templates, and SalesStack lists lead scoring and cold email outreach.
Flowlu offers a lower entry point at $0/mo compared to SalesStack at $1970/mo.
If your priority is organizing contacts, tracking deals, and forecasting revenue, Flowlu is the one built for it; for coordinating outreach across email, phone, and social channels, that is SalesStack. 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.
SalesStack is Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Free
Grow
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
SalesStack Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Grow | $1970/yr | 5 unique mailboxes; 1000 lead search and enrichment credits; unlimited lead search | Not published as a send figure; cloud call center included |
| Ultimate | $4970/yr | 20 unique mailboxes; 3500 lead search and enrichment credits | Not published as a send figure |
| Enterprise | $9970/yr | 100 unique mailboxes; 8000 lead search and enrichment credits | Advanced, AI-powered email warm-up |
Source: SalesStack Pricing
Pricing Analysis
Flowlu is more affordable at the entry level ($0/mo vs $1970/mo). For teams with tight budgets or those just getting started with customer relationship management and sales pipeline tracking and multi-channel sales outreach and engagement tracking, this price difference matters.
Flowlu offers 4 pricing tiers compared to SalesStack's 3, giving you more granularity as you scale.
Flowlu includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Multiple sales pipelines
- Email sync and email templates
- CRM reports
- Sales automations
- Email tracking
- Client portal
- and 4 more listed below
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- and 4 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
SalesStack Key Features
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
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 SalesStack
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
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.
SalesStack Integrations
SalesStack connects with: .
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.
Use Case Recommendations
Best Fit for Flowlu
- Budget-conscious teams looking for an affordable CRM platform
- 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 SalesStack
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
Feature Comparison Summary
| Feature | Flowlu | SalesStack |
|---|---|---|
| Starting Price | Free | $1970/yr |
| Top Tier Price | $32/mo | $9970/yr |
| Total Features Listed | 10 | 10 |
| Integrations | 18 | 0 |
Getting Started Checklist
- Define your customer relationship management and sales pipeline tracking and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected contacts and deals and sequences and engagement actions 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 SalesStack the multi-channel sales outreach and engagement tracking side. Flowlu offers a more accessible entry point, while SalesStack starts at $1970/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 SalesStack for current information.
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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