Field Service Management · reliability comparison
BigChange vs Fergus: which is more reliable? (2026)
Fergus is more reliable than BigChange, scoring 84.5 vs 62.4 out of 100. Over the last 90 days BigChange reported 3 incidents and Fergus reported 6, with effective uptime of 99.38% and 99.83% respectively. Fergus resolves incidents faster on average (37m).
Data updated Nov 1, 2026 · How we score
| Metric | BigChange | Fergus |
|---|---|---|
| Reliability score | 62.4 | 84.5 |
| Rank (field service management apps) | #15 | #10 |
| Uptime (90 days) | 99.38% | 99.83% |
| Incidents (90 days) | 3 | 6 |
| Partial / major outages | 1 | 6 |
| Avg time to resolve | 13h 22m | 37m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where BigChange and Fergus differ
- Fergus reported 2× as many incidents as BigChange over the last 90 days (6 vs 3).
- Fergus had 6 partial or major outages, compared with 1 for BigChange.
- Fergus fixes problems faster: 37m on average, against 13h 22m for BigChange (21.7× quicker).
- BigChange's longest outage on record lasted 1d 4h (Jun 29, 2026); Fergus's lasted 1h 26m (Oct 18, 2026).
90-day uptime
BigChange
Fergus
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent BigChange incidents
- Major outageOct 2, 2026 · resolved in 8h 31m
Degraded Performance – Scheduling & Job Visibility Issuesofficial update ↗
- Degraded performanceSep 28, 2026 · resolved in 1h 27m
Degraded Performance: System Latency and Job Scheduling Issues
- Degraded performanceSep 8, 2026 · resolved in 1d 6h
Degraded Performance: System Latency and Job Scheduling Issues
Recent Fergus incidents
- Major outageOct 18, 2026 · resolved in 1h 26m
Reporting Data Outageofficial update ↗
Affected: Fergus App
- Partial outageOct 12, 2026 · resolved in 4m
Affected: Fergus App, Fergus API, Fergus GO
- Major outageOct 5, 2026 · resolved in 29m
Fergus unavailable - asset manifest not found
Affected: Fergus App
- Major outageSep 29, 2026 · resolved in 1h 23m
Fergus Go Crashingofficial update ↗
Affected: Fergus App, Fergus GO
- Major outageSep 15, 2026 · resolved in 8m
All pages very slow to respond
Affected: Fergus App
- MaintenanceSep 12, 2026 · resolved in 40m
Fergus will undergo maintenance
Affected: Fergus API, Fergus App, Fergus GO
Other field service management apps to consider
- FieldRoutes · #1 · 100% uptime
- Kickserv · #2 · 100% uptime
- Successware · #3 · 100% uptime
- Tradify · #4 · 100% uptime
See the full most reliable field service management software ranking →