Cloud Storage & Office Suites · reliability comparison

Backblaze vs Sync.com: which is more reliable? (2026)

Sync.com is more reliable than Backblaze, scoring 82.1 vs 63.4 out of 100. Over the last 90 days Backblaze reported 2 incidents and Sync.com reported 1, with effective uptime of 99.53% and 99.82% respectively. Sync.com resolves incidents faster on average (7h 33m).

Data updated Nov 1, 2026 · How we score

Backblaze

63.4/100

Degraded

Visit Backblaze ↗

Sync.com

82.1/100

Operational

Visit Sync.com ↗
VS
MetricBackblazeSync.com
Reliability score63.482.1
Rank (cloud storage & office suites)#8#6
Uptime (90 days)99.53%99.82%
Incidents (90 days)21
Partial / major outages01
Avg time to resolve19h 55m7h 33m
Outages we detected00
Transparency score100/100100/100

Where Backblaze and Sync.com differ

  • Backblaze reported 2× as many incidents as Sync.com over the last 90 days (2 vs 1).
  • Sync.com had 1 partial or major outage, compared with 0 for Backblaze.
  • Sync.com fixes problems faster: 7h 33m on average, against 19h 55m for Backblaze (2.6× quicker).
  • Backblaze's longest incident on record lasted 19h 55m (Oct 30, 2026); Sync.com's lasted 7h 33m (Sep 9, 2026).

90-day uptime

Backblaze

Aug 4, 2026 – Oct 29, 2026: no incidentsOct 30, 2026: 85.61% uptime, 2 incidents (Degraded performance)Oct 31, 2026: 85.00% uptime, 1 incident (Degraded performance)Nov 1, 2026: 85.00% uptime, 1 incident (Degraded performance)
90 days ago99.506% average daily uptimeToday

Sync.com

Aug 4, 2026 – Sep 8, 2026: no incidentsSep 9, 2026: 84.25% uptime, 1 incident (Partial outage)Sep 10, 2026 – Nov 1, 2026: no incidents
90 days ago99.825% average daily uptimeToday

Recent Backblaze incidents

  • Degraded performanceOct 30, 2026 · ongoing

    New incident: "Customers in the US east region might be facing issues with downloads"

  • Degraded performanceOct 30, 2026 · resolved in 19h 55m

    New incident: "EU Region High Upload Failures"

  • MaintenanceOct 28, 2026 · resolved (duration not published)

    Scheduled Maintenance: US West Network Maintenance, October 28, 2026

  • MaintenanceOct 28, 2026 · resolved (duration not published)

    Scheduled Maintenance: EU Central Network Maintenance October 28, 2026

  • MaintenanceOct 21, 2026 · resolved (duration not published)

    Scheduled Maintenance: US West Network Maintenance, October 21, 2026

  • MaintenanceOct 8, 2026 · resolved (duration not published)

    Scheduled Maintenance: US East Region Network Maintenance Oct 14, 2026

Full Backblaze reliability report →

Recent Sync.com incidents

  • Partial outageSep 9, 2026 · resolved in 7h 33m

    Elevated Upload and Download Errors

    Affected: Windows Desktop, Links, Control Panel, Android Mobile Client, Admin tools (Pro Teams), Events +3 more

Full Sync.com reliability report →

Other cloud storage & office suites to consider

See the full most reliable cloud storage & office suites ranking →