Managed Database Services · reliability comparison
Firebase (Firestore & Realtime Database) vs MongoDB Atlas: which is more reliable? (2026)
Firebase (Firestore & Realtime Database) is more reliable than MongoDB Atlas, scoring 71.1 vs 49.4 out of 100. Over the last 90 days Firebase (Firestore & Realtime Database) reported 1 incident and MongoDB Atlas reported 11, with effective uptime of 99.66% and 97.89% respectively. MongoDB Atlas resolves incidents faster on average (4h 18m).
Data updated Nov 1, 2026 · How we score
| Metric | Firebase (Firestore & Realtime Database) | MongoDB Atlas |
|---|---|---|
| Reliability score | 71.1 | 49.4 |
| Rank (managed database services) | #9 | #12 |
| Uptime (90 days) | 99.66% | 97.89% |
| Incidents (90 days) | 1 | 11 |
| Partial / major outages | 1 | 4 |
| Avg time to resolve | 14h 25m | 4h 18m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Firebase (Firestore & Realtime Database) and MongoDB Atlas differ
- MongoDB Atlas reported 11× as many incidents as Firebase (Firestore & Realtime Database) over the last 90 days (11 vs 1).
- MongoDB Atlas had 4 partial or major outages, compared with 1 for Firebase (Firestore & Realtime Database).
- MongoDB Atlas fixes problems faster: 4h 18m on average, against 14h 25m for Firebase (Firestore & Realtime Database) (3.4× quicker).
- Firebase (Firestore & Realtime Database)'s longest outage on record lasted 14h 25m (Oct 21, 2026); MongoDB Atlas's lasted 3d (Apr 17, 2026).
90-day uptime
Firebase (Firestore & Realtime Database)
MongoDB Atlas
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Firebase (Firestore & Realtime Database) incidents
- Partial outageOct 21, 2026 · resolved in 14h 25m
Partial performance degradation for RTDB users in us-central1 from 6 AM to 8:30 PM PT.official update ↗
Affected: Realtime Database
Full Firebase (Firestore & Realtime Database) reliability report →
Recent MongoDB Atlas incidents
- Degraded performanceOct 20, 2026 · resolved in 12h 36m
GCP Availability Zone europe-west2-b connectivity issues
Affected: MongoDB Cloud
- Partial outageOct 9, 2026 · resolved in 1h 48m
Issue impacting Atlas Search availability on certain clusters
Affected: MongoDB Atlas Search
- InformationalOct 9, 2026 · resolved in 2h 35m
Admin Admin API: Intermittent Increase in 5xx errors
Affected: MongoDB Cloud
- Partial outageOct 1, 2026 · resolved in 5h 13m
Trigger processing may be delayed globallyofficial update ↗
Affected: MongoDB Atlas App Services and Device Sync
- InformationalSep 30, 2026 · resolved in 2h 10m
Delays in Atlas cluster management operations
Affected: MongoDB Cloud
- Degraded performanceSep 11, 2026 · resolved in 2h 23m
Atlas is experiencing issues with issuing certificates from Lets Encrypt
Affected: MongoDB Cloud, MongoDB Atlas for Government
Other managed database services to consider
- Upstash · #1 · 100% uptime
- Prisma Postgres · #2 · 99.96% uptime
- PlanetScale · #3 · 99.92% uptime
- Neon · #4 · 100% uptime
See the full most reliable managed database services ranking →