Appointment Scheduling Software · reliability comparison
Calendly vs Chili Piper: which is more reliable? (2026)
Calendly is more reliable than Chili Piper, scoring 100.0 vs 60.6 out of 100. Over the last 90 days Calendly reported 0 incidents and Chili Piper reported 1, with effective uptime of 100% and 99.44% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Calendly | Chili Piper |
|---|---|---|
| Reliability score | 100.0 | 60.6 |
| Rank (scheduling apps) | #1 | #8 |
| Uptime (90 days) | 100% | 99.44% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | 23h 53m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Calendly and Chili Piper differ
- Calendly reported no incidents in the last 90 days, while Chili Piper reported 1.
- Chili Piper had 1 partial or major outage, compared with 0 for Calendly.
- Calendly's longest incident on record lasted 23h 11m (Jul 8, 2026); Chili Piper's lasted 23h 53m (Sep 15, 2026).
90-day uptime
Calendly
Chili Piper
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Calendly incidents
- MaintenanceSep 1, 2026 · ongoing
Scheduled maintenance on Sunday, September 6, 2026
Affected: calendly.com
Recent Chili Piper incidents
- Partial outageSep 15, 2026 · resolved in 23h 53m
Gong connectivity issuesofficial update ↗
Affected: Gong
Other scheduling apps to consider
- Doodle · #2 · 100% uptime
- SavvyCal · #3 · 100% uptime
- Sign In Scheduling (formerly 10to8) · #4 · 100% uptime
- YouCanBookMe · #5 · 100% uptime
See the full most reliable appointment scheduling software ranking →