Restaurant Reservation Systems · reliability comparison
ResDiary vs Zenchef: which is more reliable? (2026)
ResDiary is more reliable than Zenchef, scoring 89.9 vs 84.9 out of 100. Over the last 90 days ResDiary reported 3 incidents and Zenchef reported 17, with effective uptime of 99.88% and 100% respectively. Zenchef resolves incidents faster on average (<1m).
Data updated Nov 1, 2026 · How we score
| Metric | ResDiary | Zenchef |
|---|---|---|
| Reliability score | 89.9 | 84.9 |
| Rank (restaurant reservation systems) | #2 | #3 |
| Uptime (90 days) | 99.88% | 100% |
| Incidents (90 days) | 3 | 17 |
| Partial / major outages | 2 | 17 |
| Avg time to resolve | 1h 7m | <1m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where ResDiary and Zenchef differ
- Zenchef reported 5.7× as many incidents as ResDiary over the last 90 days (17 vs 3).
- Zenchef had 17 partial or major outages, compared with 2 for ResDiary.
- Zenchef fixes problems faster: <1m on average, against 1h 7m for ResDiary (Infinity× quicker).
90-day uptime
ResDiary
Zenchef
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent ResDiary incidents
- Major outageSep 24, 2026 · resolved in 2h 5m
uk.resdiary.com is unavailable
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 Zenchef incidents
- MaintenanceOct 20, 2026 · resolved in <1m
- MaintenanceOct 20, 2026 · resolved in 5h 28m
- MaintenanceOct 20, 2026 · resolved in <1m
- MaintenanceOct 13, 2026 · resolved in <1m
- Partial outageOct 13, 2026 · resolved in <1m
- Partial outageOct 13, 2026 · resolved (duration not published)
Other restaurant reservation systems to consider
- Eat App · #1 · 100% uptime
- SevenRooms · #4 · 99.76% uptime
- CoverManager · #5 · 99.35% uptime
- Tock · #6 · 98.84% uptime
See the full most reliable restaurant reservation systems ranking →