Employee Scheduling Software · reliability comparison
Agendrix vs Sling: which is more reliable? (2026)
Agendrix is more reliable than Sling, scoring 96.6 vs 94.5 out of 100. Over the last 90 days Agendrix reported 1 incident and Sling reported 2, with effective uptime of 99.99% and 99.97% respectively. Agendrix resolves incidents faster on average (1h 25m).
Data updated Nov 1, 2026 · How we score
| Metric | Agendrix | Sling |
|---|---|---|
| Reliability score | 96.6 | 94.5 |
| Rank (employee scheduling apps) | #6 | #8 |
| Uptime (90 days) | 99.99% | 99.97% |
| Incidents (90 days) | 1 | 2 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 1h 25m | 1h 53m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Agendrix and Sling differ
- Sling reported 2× as many incidents as Agendrix over the last 90 days (2 vs 1).
- Agendrix fixes problems faster: 1h 25m on average, against 1h 53m for Sling.
- Agendrix's longest incident on record lasted 1h 25m (Oct 27, 2026); Sling's lasted 3h 20m (Oct 14, 2026).
90-day uptime
Agendrix
Sling
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Agendrix incidents
- Degraded performanceOct 27, 2026 · resolved in 1h 25m
Affected: Cloudflare Montréal, QC, Canada - (YUL)
Recent Sling incidents
- Degraded performanceOct 27, 2026 · resolved in 25m
Affected: Sling by Toast Scheduling
- Degraded performanceOct 14, 2026 · resolved in 3h 20m
10/14/2026 - Sling Latency Issues
Affected: Sling by Toast Scheduling
Other employee scheduling apps to consider
- Buddy Punch · #1 · 100% uptime
- Connecteam · #2 · 100% uptime
- QuickBooks Time · #3 · 100% uptime
- Shiftboard · #4 · 100% uptime
See the full most reliable employee scheduling software ranking →