Bitrix24 vs Slack Comparison
Compare Bitrix24 vs Slack features, pricing, and more.
Last updated: November 2026
Bitrix24
6.8/10
All-in-one workspace that combines tasks and projects, CRM, chat and video calls, documents and HR tools, priced as a flat monthly fee per organization.
Slack
7.1/10
Slack is a channel-based messaging platform from Salesforce, with Lists, canvases, huddles and Workflow Builder for team coordination and light task tracking.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.8/10 | 7.1/10 |
| Cost | 8/10 | 5/10 |
| Ease of Use | 5/10 | 7/10 |
| Analytics | 6/10 | 3/10 |
| Customization | 8/10 | 7/10 |
| Scalability | 7/10 | 9/10 |
| Support | 5/10 | 6/10 |
| Integration | 7/10 | 10/10 |
| Security | 7/10 | 9/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $69/mo Basic | €8/user/mo Pro |
| Estimated cost for 10 users | $144/mo Standard | Free Free |
| Features | ||
| Gantt charts | ||
| Time tracking | ||
| App integrations | ||
| Client collaboration | ||
| Collaboration tools | ||
| Docs | ||
| File sharing | ||
| Kanban boards | ||
| Task lists | ||
| Task management | ||
| Team messaging | ||
| Workflow automation | ||
| Knowledge base | Not listed | |
| Reporting | Not listed | |
| Scheduling | Not listed | |
| Spreadsheet interface | Not listed | |
| Timeline view | Not listed | |
Bitrix24 vs Slack cost by team size
| Team size | Bitrix24 | Slack |
|---|---|---|
| 1 user | $69/moBasic | FreeFree |
| 5 users | $69/moBasic | FreeFree |
| 10 users | $144/moStandard | FreeFree |
| 25 users | $144/moStandard | FreeFree |
| 50 users | $144/moStandard | FreeFree |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Bitrix24
- Higher Cost score (8/10 vs 5/10)
- Higher Analytics score (6/10 vs 3/10)
- Includes Gantt charts, which Slack lacks
- Includes Time tracking, which Slack lacks
Why choose Slack
- Higher Integration score (10/10 vs 7/10)
- Higher Ease of Use score (7/10 vs 5/10)
- Better fit for enterprise (9/10 vs 7/10)
- Better fit for developers (7/10 vs 5/10)
Pros & Cons
Bitrix24
Pros
- Pricing is a flat fee per organization, so Professional covers 100 users for $199 a month billed annually, which reviewers single out for value.
- Task views include list, Kanban, Gantt, calendar and Scrum, plus task templates with subtasks and checklists.
- A full CRM, telephony, chat and video calls are built in, so sales and delivery teams can work on one platform.
- Collabs give clients and freelancers controlled access to project spaces.
Cons
- Reviewers often describe a crowded interface and a steep learning curve, and training is usually needed.
- Some users report slow loading, especially with large or complex workflows.
- Support gets mixed reviews, and some customers say issues can take days to resolve.
- Task time tracking, task automation and analytics require Professional or higher.
- Monthly billing costs about 40 percent more than annual billing on every paid plan.
Slack
Pros
- The app ecosystem is very large, and tools such as ClickUp, Notion, HubSpot and Clockify can post updates into channels.
- Slack Connect lets teams work in shared channels with up to 250 outside organizations on paid plans.
- Compliance coverage is broad, including ISO 27001, SOC 2 Type II, FedRAMP Moderate and HIPAA configurability.
- Lists add table and board layouts with assignees, due dates and subtasks, without leaving chat.
- Workflow Builder automates routine requests and approvals without code.
Cons
- There are no native Gantt charts, dependencies, time tracking or portfolio reporting, so Slack doesn't replace a dedicated PM tool.
- Frequent notifications and busy channels can interrupt focus, a common complaint in reviews.
- The free plan keeps only 90 days of message history and allows 10 apps.
- Advanced AI features require Business+ or above, and per-user costs add up as teams grow.
- Reviewers report that finding older messages through search can be difficult.
Not sold on either?
Frequently Asked Questions
Slack scores higher on our Project Management criteria: 7.1/10 against 6.8/10 for Bitrix24. The largest gap is in Analytics: 6/10 for Bitrix24 and 3/10 for Slack.
Yes, both Bitrix24 and Slack have a free plan.
Slack is the better fit for developers: we rate it 7/10 for them, against 5/10 for Bitrix24.
Bitrix24 has Gantt charts and Time tracking, which Slack lacks.
