Side-by-side comparison
Slack vs Trello
Complaint records and Risk Scores compared. Both are in the Project Management & Collaboration category.
✓ Trello has a lower documented Risk Score.
Trello's Risk Score of 7 is lower than Slack's 54.
That said, always read the full complaint records before deciding.
Product A
Slack
The team messaging standard — essential infrastructure, expensive at enterprise scale
54
Caution
out of 100
3 documented warnings
Project Management & Collaboration
Project Management & Collaboration
✓ Lower risk
Full Trello record →
Product B
Trello
Kanban classic, now Atlassian-owned and quietly underinvested
7
Clean Record
out of 100
1 documented warning
Project Management & Collaboration
Project Management & Collaboration
Complaint category breakdown
Higher numbers in each row indicate more documented complaints in that category. Bold = more complaints than the other product.
| Complaint type | Slack | Trello |
|---|---|---|
| BBB Complaints | — | — |
| Lawsuits & Legal Action | — | — |
| Misleading Marketing | 1 | — |
| Customer Complaints | — | 1 |
| Churn & Retention | — | — |
| Billing Problems | 2 | — |
| Support Failures | — | — |
Severity breakdown
| Severity | Slack | Trello |
|---|---|---|
| Critical | — | — |
| High | 2 | — |
| Medium | 1 | — |
| Low | — | 1 |