Cloud Storage & Office Suites · reliability comparison
Box vs Sync.com: which is more reliable? (2026)
Sync.com is more reliable than Box, scoring 82.1 vs 42.1 out of 100. Over the last 90 days Box reported 18 incidents and Sync.com reported 1, with effective uptime of 97.88% and 99.82% respectively. Box resolves incidents faster on average (5h 1m).
Data updated Nov 2, 2026 · How we score
| Metric | Box | Sync.com |
|---|---|---|
| Reliability score | 42.1 | 82.1 |
| Rank (cloud storage & office suites) | #10 | #6 |
| Uptime (90 days) | 97.88% | 99.82% |
| Incidents (90 days) | 18 | 1 |
| Partial / major outages | 15 | 1 |
| Avg time to resolve | 5h 1m | 7h 33m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Box and Sync.com differ
- Box reported 18× as many incidents as Sync.com over the last 90 days (18 vs 1).
- Box had 15 partial or major outages, compared with 1 for Sync.com.
- Box fixes problems faster: 5h 1m on average, against 7h 33m for Sync.com.
- Box's longest outage on record lasted 3d (Sep 30, 2026); Sync.com's lasted 7h 33m (Sep 9, 2026).
90-day uptime
Box
Sync.com
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Box incidents
- Partial outageOct 20, 2026 · resolved in 1h 29m
[Medium] Issue with multiple Box Services
Affected: Content API, Uploads/Downloads, Box Sign, Box Sign
- Partial outageOct 15, 2026 · resolved in 4h 11m
[Major] Issue with Box Driveofficial update ↗
Affected: Box Drive
- Major outageOct 8, 2026 · resolved in 5m
[Critical] Issues with Multiple Box Services
Affected: Content API, Login/SSO, Web Application, Content Preview, Uploads/Downloads, Authentication (OAuth 2.0 / JWT) +17 more
- Partial outageOct 8, 2026 · resolved in 2h 6m
[Medium] Issue with Enterprise Event Reportsofficial update ↗
Affected: Events API, Enterprise Reports
- Partial outageOct 2, 2026 · resolved in <1m
- Partial outageSep 30, 2026 · resolved in 4d 20h
[Medium] Issue with multiple reportsofficial update ↗
Affected: Enterprise Reports
Recent Sync.com incidents
- Partial outageSep 9, 2026 · resolved in 7h 33m
Elevated Upload and Download Errorsofficial update ↗
Affected: Windows Desktop, Links, Control Panel, Android Mobile Client, Admin tools (Pro Teams), Events +3 more
Other cloud storage & office suites to consider
- Tresorit · #1 · 100% uptime
- SugarSync · #2 · 100% uptime
- ShareFile · #3 · 99.99% uptime
- Egnyte · #4 · 99.94% uptime
See the full most reliable cloud storage & office suites ranking →