Appointment Scheduling Software · monthly outage report
Appointment Scheduling Software outages: September 2026
The 13 scheduling apps we track reported 13 incidents in September 2026. Square Appointments reported the most (8). 8 had a clean month: Calendly, Doodle, SavvyCal, Setmore, Sign In Scheduling (formerly 10to8), SimplyBook.me, YouCanBookMe, Zoho Bookings.
| Vendor | Incidents | Partial / major |
|---|---|---|
| Square Appointments | 8 | 0 |
| Acuity Scheduling | 2 | 2 |
| Cal.com | 1 | 0 |
| Chili Piper | 1 | 1 |
| OnceHub | 1 | 1 |
| Calendly | 0 | 0 |
| Doodle | 0 | 0 |
| SavvyCal | 0 | 0 |
| Setmore | 0 | 0 |
| Sign In Scheduling (formerly 10to8) | 0 | 0 |
| SimplyBook.me | 0 | 0 |
| YouCanBookMe | 0 | 0 |
| Zoho Bookings | 0 | 0 |
Longest Appointment Scheduling Software outages in September 2026
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