Appointment Scheduling Software · reliability comparison
Doodle vs Sign In Scheduling (formerly 10to8): which is more reliable? (2026)
Doodle and Sign In Scheduling (formerly 10to8) are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days Doodle reported 0 incidents and Sign In Scheduling (formerly 10to8) reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | Doodle | Sign In Scheduling (formerly 10to8) |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (scheduling apps) | #2 | #4 |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Doodle and Sign In Scheduling (formerly 10to8) differ
- Doodle's longest outage on record lasted 27m (Dec 5, 2025); Sign In Scheduling (formerly 10to8)'s lasted 3h 39m (Jan 23, 2026).
90-day uptime
Doodle
Sign In Scheduling (formerly 10to8)
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Doodle incidents
No incidents reported by Doodle in the last 90 days.
Recent Sign In Scheduling (formerly 10to8) incidents
No incidents reported by Sign In Scheduling (formerly 10to8) in the last 90 days.
Full Sign In Scheduling (formerly 10to8) reliability report →
Other scheduling apps to consider
- Calendly · #1 · 100% uptime
- SavvyCal · #3 · 100% uptime
- YouCanBookMe · #5 · 100% uptime
- Cal.com · #6 · 100% uptime
See the full most reliable appointment scheduling software ranking →