Cloud Storage & Office Suites · reliability comparison

Backblaze vs Dropbox: which is more reliable? (2026)

Dropbox is more reliable than Backblaze, scoring 85.5 vs 62.9 out of 100. Over the last 90 days Backblaze reported 2 incidents and Dropbox reported 3, with effective uptime of 99.51% and 99.88% respectively. Dropbox resolves incidents faster on average (4h 54m).

Data updated Nov 1, 2026 · How we score

Backblaze

62.9/100

Degraded

Visit Backblaze ↗

Dropbox

85.5/100

Operational

Visit Dropbox ↗
VS
MetricBackblazeDropbox
Reliability score62.985.5
Rank (cloud storage & office suites)#8#5
Uptime (90 days)99.51%99.88%
Incidents (90 days)23
Partial / major outages01
Avg time to resolve19h 55m4h 54m
Outages we detected00
Transparency score100/100100/100

Where Backblaze and Dropbox differ

  • Dropbox reported 50% more incidents than Backblaze over the last 90 days (3 vs 2).
  • Dropbox had 1 partial or major outage, compared with 0 for Backblaze.
  • Dropbox fixes problems faster: 4h 54m on average, against 19h 55m for Backblaze (4.1× quicker).
  • Backblaze's longest incident on record lasted 19h 55m (Oct 30, 2026); Dropbox's lasted 1h 11m (Nov 14, 2025).

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

Dropbox

Aug 4, 2026 – Aug 20, 2026: no incidentsAug 21, 2026: 98.80% uptime, 1 incident (Degraded performance)Aug 22, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 99.52% uptime, 1 incident (Degraded performance)Aug 26, 2026: 93.11% uptime, 1 incident (Degraded performance)Aug 27, 2026 – Sep 8, 2026: no incidentsSep 9, 2026: 97.94% uptime, 1 incident (Partial outage)Sep 10, 2026 – Nov 1, 2026: no incidents
90 days ago99.882% 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 Dropbox incidents

Full Dropbox reliability report →

Other cloud storage & office suites to consider

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