factro vs Slack: Complete Comparison (2026)
An in-depth comparison of factro and Slack to help you choose the right tool for your business.
Last updated: November 2026
factro
5.8/10
German cloud project management software with structure trees, Gantt and Kanban views. It is aimed at SMEs, consultancies and public-sector bodies that need GDPR-compliant planning.
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 | 5.8/10 | 7.1/10 |
| Cost | 6/10 | 5/10 |
| Ease of Use | 8/10 | 7/10 |
| Analytics | 4/10 | 3/10 |
| Customization | 5/10 | 7/10 |
| Scalability | 5/10 | 9/10 |
| Support | 8/10 | 6/10 |
| Integration | 4/10 | 10/10 |
| Security | 7/10 | 9/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | €20/user/mo Business | €8/user/mo Pro |
| Estimated cost for 10 users | €200/mo Business | Free Free |
| Features | ||
| Gantt charts | ||
| Time tracking | ||
| App integrations | ||
| Client collaboration | ||
| Collaboration tools | ||
| File sharing | ||
| Kanban boards | ||
| Spreadsheet interface | ||
| Task lists | ||
| Task management | ||
| Dashboards | Not listed | |
| Docs | Not listed | |
| Reporting | Not listed | |
| Scheduling | Not listed | |
| Team messaging | Not listed | |
| Timeline view | Not listed | |
| Workflow automation | Not listed | |
factro vs Slack cost by team size
factro and Slack cost the same at 1 user; Slack costs less from 5 users.
| Team size | factro | Slack |
|---|---|---|
| 1 user | FreeBasic | FreeFree |
| 5 users | €100/moBusiness | FreeFree |
| 10 users | €200/moBusiness | FreeFree |
| 25 users | €500/moBusiness | FreeFree |
| 50 users | €999/moBusiness | 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 factro
- Higher Support score (8/10 vs 6/10)
- Higher Cost score (6/10 vs 5/10)
- Better fit for government (9/10 vs 6/10)
- Includes Gantt charts, which Slack lacks
- Includes Time tracking, which Slack lacks
Why choose Slack
- Lower estimated cost for 10 users: Free vs €200/mo
- Higher Integration score (10/10 vs 4/10)
- Higher Scalability score (9/10 vs 5/10)
- Better fit for enterprise (9/10 vs 4/10)
- Better fit for mid-market (8/10 vs 6/10)
Pros & Cons
factro
Pros
- Reviewers describe the structure tree, Kanban, table and Gantt views as intuitive and quick to learn.
- GDPR compliance and German data protection are the main selling points, which matter to public-sector buyers.
- The free Basic plan lets up to 3 users run 5 projects at no cost.
- Guests can be invited free of charge from the Business plan upward.
- Reviewers on OMR praise responsive support and say feature requests were implemented within weeks.
Cons
- There is no Slack integration, and integrations focus mainly on Microsoft tools.
- Reporting on project progress and risks is weak, according to reviewers.
- The Gantt mode is less intuitive than the other views, and its export options are limited.
- Each task can have only one responsible person and one executor.
- There is no undo function, and some structures are rigid.
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 5.8/10 for factro. The largest gap is in Integration: 4/10 for factro and 10/10 for Slack.
Slack costs less for 10 users: free on its Free plan, against about €200/mo on its Business plan for factro, billed monthly.
Yes, both factro and Slack have a free plan.
Slack is the better fit for enterprise: we rate it 9/10 for them, against 4/10 for factro.
Factro has Gantt charts and Time tracking, which Slack lacks.
