Salon & Spa Booking Software · reliability comparison
Booker vs Square Appointments: which is more reliable? (2026)
Booker is more reliable than Square Appointments, scoring 95.9 vs 53.3 out of 100. Over the last 90 days Booker reported 3 incidents and Square Appointments reported 12, with effective uptime of 99.99% and 98.93% respectively. Booker resolves incidents faster on average (1h 19m).
Data updated Nov 1, 2026 · How we score
| Metric | Booker | Square Appointments |
|---|---|---|
| Reliability score | 95.9 | 53.3 |
| Rank (salon & spa booking apps) | #1 | #10 |
| Uptime (90 days) | 99.99% | 98.93% |
| Incidents (90 days) | 3 | 12 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 1h 19m | 12h 49m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Booker and Square Appointments differ
- Square Appointments reported 4× as many incidents as Booker over the last 90 days (12 vs 3).
- Booker fixes problems faster: 1h 19m on average, against 12h 49m for Square Appointments (9.7× quicker).
- Booker's longest outage on record lasted 3h 38m (Jun 8, 2026); Square Appointments's lasted 17h 43m (Apr 30, 2026).
90-day uptime
Booker
Square Appointments
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Booker incidents
- Degraded performanceOct 27, 2026 · resolved in 1h 19m
Affected: Booker Web Software
- InformationalOct 26, 2026 · resolved in 2d 18h
- InformationalOct 26, 2026 · resolved in 1h 55m
- MaintenanceOct 23, 2026 · ongoing
Affected: Booker Payment Processing, Booker Online Booking, Booker Reservationist Booking, Booker Web Software, Booker API, Booker Mobile App +1 more
- MaintenanceSep 18, 2026 · ongoing
Affected: Booker Reservationist Booking, Booker Web Software, Booker API, Booker Mobile App, Booker Branded App, Booker Payment Processing +1 more
- MaintenanceAug 14, 2026 · ongoing
Booker Software Planned Maintenance
Affected: Booker API, Booker Mobile App, Booker Branded App, Booker Payment Processing, Booker Online Booking, Booker Reservationist Booking +1 more
Recent Square Appointments incidents
- Degraded performanceSep 27, 2026 · resolved in 4h 25m
- Degraded performanceSep 24, 2026 · resolved in 12m
- Degraded performanceSep 21, 2026 · resolved in 2d 4h
- Degraded performanceSep 18, 2026 · resolved in 3h 54m
- Degraded performanceSep 18, 2026 · resolved in 15h 7m
- Degraded performanceSep 16, 2026 · resolved in 34m
Other salon & spa booking apps to consider
- Vagaro · #2 · 99.96% uptime
- Timely · #3 · 99.90% uptime
- Meevo · #4 · 99.82% uptime
- Boulevard · #5 · 99.67% uptime
See the full most reliable salon & spa booking software ranking →