Managed Database Services · reliability comparison

Convex vs MongoDB Atlas: which is more reliable? (2026)

Convex is more reliable than MongoDB Atlas, scoring 86.7 vs 49.4 out of 100. Over the last 90 days Convex reported 7 incidents and MongoDB Atlas reported 11, with effective uptime of 99.87% and 97.89% respectively. Convex resolves incidents faster on average (50m).

Data updated Nov 1, 2026 · How we score

Convex

86.7/100

Operational

Visit Convex ↗

MongoDB Atlas

49.4/100

Partial outage

Visit MongoDB Atlas ↗
VS
MetricConvexMongoDB Atlas
Reliability score86.749.4
Rank (managed database services)#5#12
Uptime (90 days)99.87%97.89%
Incidents (90 days)711
Partial / major outages44
Avg time to resolve50m4h 18m
Outages we detected00
Transparency score100/100100/100

Where Convex and MongoDB Atlas differ

  • MongoDB Atlas reported 57% more incidents than Convex over the last 90 days (11 vs 7).
  • Convex fixes problems faster: 50m on average, against 4h 18m for MongoDB Atlas (5.1× quicker).
  • Convex's longest outage on record lasted 3h 57m (May 22, 2026); MongoDB Atlas's lasted 3d (Apr 17, 2026).

90-day uptime

Convex

Aug 5, 2026: 99.49% uptime, 1 incident (Partial outage)Aug 6, 2026 – Aug 11, 2026: no incidentsAug 12, 2026: 99.79% uptime, 1 incident (Degraded performance)Aug 13, 2026 – Aug 15, 2026: no incidentsAug 16, 2026: 99.08% uptime, 1 incident (Partial outage)Aug 17, 2026: 96.98% uptime, 1 incident (Partial outage)Aug 18, 2026 – Sep 27, 2026: no incidentsSep 28, 2026: 95.57% uptime, 1 incident (Major outage)Sep 29, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 98.74% uptime, 1 incident (Partial outage)Oct 10, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 99.43% uptime, 1 incident (Degraded performance)Oct 21, 2026 – Nov 2, 2026: no incidents
90 days ago99.879% average daily uptimeToday

MongoDB Atlas

Aug 5, 2026: 85.53% uptime, 1 incident (Partial outage)Aug 6, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 99.30% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 27, 2026: no incidentsAug 28, 2026: 100% uptime, 1 incident (Degraded performance)Aug 29, 2026 – Sep 2, 2026: no incidentsSep 3, 2026: 84.88% uptime, 1 incident (Partial outage)Sep 4, 2026: 50.00% uptime, 1 incident (Partial outage)Sep 5, 2026: 50.00% uptime, 1 incident (Partial outage)Sep 6, 2026: 65.11% uptime, 1 incident (Partial outage)Sep 7, 2026 – Sep 10, 2026: no incidentsSep 11, 2026: 98.51% uptime, 1 incident (Degraded performance)Sep 12, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 89.13% uptime, 1 incident (Partial outage)Oct 2, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 96.25% uptime, 2 incidents (Partial outage)Oct 10, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 92.12% uptime, 1 incident (Degraded performance)Oct 21, 2026 – Nov 2, 2026: no incidents
90 days ago97.898% average daily uptimeToday

Recent Convex incidents

Full Convex reliability report →

Recent MongoDB Atlas incidents

Full MongoDB Atlas reliability report →

Other managed database services to consider

See the full most reliable managed database services ranking →