Bitrix24 vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Compare Bitrix24 (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 Bitrix24 (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
Bitrix24 vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Bitrix24 is a CRM platform; SalesStack is a sales engagement platform. 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, multi-channel sales outreach and engagement tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
Bitrix24 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, Bitrix24 lists basic crm (deals, contacts) and sales pipelines, and SalesStack lists lead scoring and cold email outreach.
Bitrix24 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, Bitrix24 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
Bitrix24 is Bitrix24 is an all-in-one platform to manage a team and run sales, combining CRM, tasks and projects, chat and video calls, a website builder and telephony. Paid plans are billed as a flat rate per organization that includes a fixed number of users rather than per seat.
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
Bitrix24 Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 5 GB storage; free for 1-2 users |
| Basic | Contact Sales | includes 5 users; 24 GB storage |
| Standard | Contact Sales | includes 50 users; 100 GB storage |
| Professional | Contact Sales | includes 100 users; 1 TB storage |
| Enterprise | Contact Sales | User-count ladder above the Professional plan |
Source: Bitrix24 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
Bitrix24 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.
Bitrix24 offers 5 pricing tiers compared to SalesStack's 3, giving you more granularity as you scale.
Bitrix24 includes a free tier, letting you test the platform before committing financially.
Features Breakdown
- Basic CRM (deals, contacts)
- Sales pipelines
- Sales automation
- Tasks (Kanban, Gantt)
- Chat & video calls
- Email marketing
- and 2 more listed below
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- and 4 more listed below
Bitrix24 Key Features
- Basic CRM (deals, contacts)
- Sales pipelines
- Sales automation
- Tasks (Kanban, Gantt)
- Chat & video calls
- Email marketing
- Telephony integration
- Analytics & reporting tools
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 Bitrix24
- Basic CRM (deals, contacts)
- Sales pipelines
- Sales automation
- Tasks (Kanban, Gantt)
- Chat & video calls
- Email marketing
- Telephony integration
- Analytics & reporting tools
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
Bitrix24 Integrations
Bitrix24 connects with: Gmail, Google Calendar, Google Drive, Office 365, MS Outlook, MS Exchange, MS OneDrive, Dropbox, Xero, Mailchimp.
SalesStack Integrations
SalesStack connects with: .
Integrations listed only by Bitrix24: Gmail, Google Calendar, Google Drive, Office 365, MS Outlook, MS Exchange, MS OneDrive, Dropbox, Xero, Mailchimp.
Use Case Recommendations
Best Fit for Bitrix24
- Budget-conscious teams looking for an affordable CRM platform
- Organizations with complex tech stacks needing broad integration support (10 integrations)
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for SalesStack
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Teams that need a wide feature set (10 capabilities listed)
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Feature Comparison Summary
| Feature | Bitrix24 | SalesStack |
|---|---|---|
| Starting Price | Free | $1970/yr |
| Top Tier Price | Contact Sales | $9970/yr |
| Total Features Listed | 8 | 10 |
| Integrations | 10 | 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
Bitrix24 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. Bitrix24 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 Bitrix24 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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