Project Management Software · reliability comparison
Smartsheet vs Trello: which is more reliable? (2026)
Trello is more reliable than Smartsheet, scoring 100.0 vs 59.5 out of 100. Over the last 90 days Smartsheet reported 8 incidents and Trello reported 0, with effective uptime of 99.00% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Smartsheet | Trello |
|---|---|---|
| Reliability score | 59.5 | 100.0 |
| Rank (project management tools) | #9 | — |
| Uptime (90 days) | 99.00% | 100% |
| Incidents (90 days) | 8 | 0 |
| Partial / major outages | 6 | 0 |
| Avg time to resolve | 4h 50m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Smartsheet and Trello differ
- Trello reported no incidents in the last 90 days, while Smartsheet reported 8.
- Smartsheet had 6 partial or major outages, compared with 0 for Trello.
- Smartsheet's longest outage on record lasted 1d 6h (Mar 3, 2026); Trello's lasted 1h 54m (Nov 21, 2025).
90-day uptime
Smartsheet
Trello
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Smartsheet incidents
- Degraded performanceOct 1, 2026 · resolved in 5h 23m
Both automated and manual approval workflows are currently failing to execute
Affected: In App Workflows
- Partial outageSep 21, 2026 · resolved in 5h 22m
Investigating blank page or error on Smartsheet Loginofficial update ↗
Affected: Smartsheet Login
- Partial outageSep 16, 2026 · resolved in 10h 26m
Salesforce connector is experiencing intermittent issuesofficial update ↗
Affected: Salesforce Connector, Customer Support Portal
- Partial outageSep 11, 2026 · resolved in 3h 9m
Smartsheet and Smartsheet Login Unavailable for Smartsheet USofficial update ↗
Affected: Smartsheet Login, Single Sign On ( Company Credentials ), Sheets, Forms, Reports, Dashboards
- Major outageAug 27, 2026 · resolved in 2h 20m
Unexpected HTTP response code affecting login, sheet access, Control Center, Dynamic View and other premium appsofficial update ↗
Affected: Calendar, Smartsheet Login, Control Center, Sheets, Dynamic View, Reports +2 more
- Major outageAug 26, 2026 · resolved in 4h 55m
Sheets in Smartsheet US are failing to loadofficial update ↗
Affected: Resource Management, Control Center, AI Tools, Sheets, Dynamic View, Reports +2 more
Recent Trello incidents
No incidents reported by Trello in the last 90 days.
Other project management tools to consider
- Teamwork.com · #1 · 100% uptime
- Hive · #2 · 99.96% uptime
- Linear · #3 · 99.92% uptime
- Basecamp · #4 · 99.95% uptime
See the full most reliable project management software ranking →