Employee Scheduling Software · reliability comparison
Deputy vs Sling: which is more reliable? (2026)
Deputy and Sling are effectively tied on reliability (95.5 vs 94.5). Over the last 90 days Deputy reported 3 incidents and Sling reported 2, with effective uptime of 99.98% and 99.97% respectively. Deputy resolves incidents faster on average (52m).
Data updated Nov 1, 2026 · How we score
| Metric | Deputy | Sling |
|---|---|---|
| Reliability score | 95.5 | 94.5 |
| Rank (employee scheduling apps) | #7 | #8 |
| Uptime (90 days) | 99.98% | 99.97% |
| Incidents (90 days) | 3 | 2 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 52m | 1h 53m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Deputy and Sling differ
- Deputy reported 50% more incidents than Sling over the last 90 days (3 vs 2).
- Deputy had 1 partial or major outage, compared with 0 for Sling.
- Deputy fixes problems faster: 52m on average, against 1h 53m for Sling (2.2× quicker).
- Deputy's longest outage on record lasted 4h 20m (Apr 6, 2026); Sling's lasted 3h 20m (Oct 14, 2026).
90-day uptime
Deputy
Sling
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Deputy incidents
- InformationalOct 21, 2026 · resolved in 2h 30m
- Partial outageAug 7, 2026 · resolved in 52m
Analytics failing to load with "Invalid control source"
Affected: Deputy - UK
- InformationalAug 5, 2026 · resolved in 2h 12m
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 →