Form & Survey Builders · reliability comparison
Formstack Forms vs Wufoo: which is more reliable? (2026)
Formstack Forms is more reliable than Wufoo, scoring 90.6 vs 82.9 out of 100. Over the last 90 days Formstack Forms reported 4 incidents and Wufoo reported 2, with effective uptime of 99.93% and 99.78% respectively. Formstack Forms resolves incidents faster on average (1h 34m).
Data updated Nov 1, 2026 · How we score
| Metric | Formstack Forms | Wufoo |
|---|---|---|
| Reliability score | 90.6 | 82.9 |
| Rank (form & survey builders) | #9 | #12 |
| Uptime (90 days) | 99.93% | 99.78% |
| Incidents (90 days) | 4 | 2 |
| Partial / major outages | 2 | 1 |
| Avg time to resolve | 1h 34m | 4h 41m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Formstack Forms and Wufoo differ
- Formstack Forms reported 2× as many incidents as Wufoo over the last 90 days (4 vs 2).
- Formstack Forms had 2 partial or major outages, compared with 1 for Wufoo.
- Formstack Forms fixes problems faster: 1h 34m on average, against 4h 41m for Wufoo (3.0× quicker).
- Formstack Forms's longest outage on record lasted 20m (Aug 25, 2026); Wufoo's lasted 4h 41m (Oct 21, 2026).
90-day uptime
Formstack Forms
Wufoo
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Formstack Forms incidents
- Degraded performanceSep 17, 2026 · resolved in 4h 27m
Formstack Forms: Phone Number Field
Affected: Main Application
- Partial outageAug 25, 2026 · resolved in 20m
Affected: Email System (SendGrid)
- Degraded performanceAug 17, 2026 · resolved in 1h 8m
Formstack Forms: Confirmation Email Delivery Issues
Affected: Email System (SendGrid)
- Major outageAug 14, 2026 · resolved in 20m
Formstack Forms: Application Unavailable
Affected: Main Application
Recent Wufoo incidents
- Major outageOct 21, 2026 · resolved in 4h 41m
- InformationalOct 15, 2026 · resolved in 3h 1m
Other form & survey builders to consider
- Cognito Forms · #1 · 100% uptime
- Google Forms · #2 · 100% uptime
- Jotform · #3 · 100% uptime
- Paperform · #4 · 100% uptime