Restaurant Reservation Systems · reliability comparison
ResDiary vs resOS: which is more reliable? (2026)
resOS is more reliable than ResDiary, scoring 100.0 vs 89.9 out of 100. Over the last 90 days ResDiary reported 3 incidents and resOS reported 0, with effective uptime of 99.88% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | ResDiary | resOS |
|---|---|---|
| Reliability score | 89.9 | 100.0 |
| Rank (restaurant reservation systems) | #2 | — |
| Uptime (90 days) | 99.88% | 100% |
| Incidents (90 days) | 3 | 0 |
| Partial / major outages | 2 | 0 |
| Avg time to resolve | 1h 7m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where ResDiary and resOS differ
- resOS reported no incidents in the last 90 days, while ResDiary reported 3.
- ResDiary had 2 partial or major outages, compared with 0 for resOS.
90-day uptime
ResDiary
resOS
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent ResDiary incidents
- Major outageSep 24, 2026 · resolved in 2h 5m
uk.resdiary.com is unavailableofficial update ↗
Affected: UK/Europe, North Central US
- Partial outageSep 10, 2026 · resolved in 35m
Affected: Australia
- Degraded performanceSep 8, 2026 · resolved in 43m
Affected: UK/Europe
Recent resOS incidents
No incidents reported by resOS in the last 90 days.
Other restaurant reservation systems to consider
- Eat App · #1 · 100% uptime
- Zenchef · #3 · 100% uptime
- SevenRooms · #4 · 99.76% uptime
- CoverManager · #5 · 99.35% uptime
See the full most reliable restaurant reservation systems ranking →