Form & Survey Builders · reliability comparison
Formstack Forms vs SurveySparrow: which is more reliable? (2026)
Formstack Forms and SurveySparrow are effectively tied on reliability (90.6 vs 90.9). Over the last 90 days Formstack Forms reported 4 incidents and SurveySparrow reported 14, with effective uptime of 99.93% and 99.99% respectively. SurveySparrow resolves incidents faster on average (3m).
Data updated Nov 1, 2026 · How we score
| Metric | Formstack Forms | SurveySparrow |
|---|---|---|
| Reliability score | 90.6 | 90.9 |
| Rank (form & survey builders) | #9 | #8 |
| Uptime (90 days) | 99.93% | 99.99% |
| Incidents (90 days) | 4 | 14 |
| Partial / major outages | 2 | 0 |
| Avg time to resolve | 1h 34m | 3m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Formstack Forms and SurveySparrow differ
- SurveySparrow reported 3.5× as many incidents as Formstack Forms over the last 90 days (14 vs 4).
- Formstack Forms had 2 partial or major outages, compared with 0 for SurveySparrow.
- SurveySparrow fixes problems faster: 3m on average, against 1h 34m for Formstack Forms (27.6× quicker).
- Formstack Forms's longest outage on record lasted 20m (Aug 25, 2026); SurveySparrow's lasted 19m (Jul 26, 2026).
90-day uptime
Formstack Forms
SurveySparrow
- 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 SurveySparrow incidents
- Degraded performanceOct 28, 2026 · resolved in 4m
US EAST(North Virginia): API Service Performance Degradation
- Degraded performanceOct 28, 2026 · resolved in 1m
- Degraded performanceOct 27, 2026 · resolved in 3m
- Degraded performanceOct 27, 2026 · resolved in 3m
- Degraded performanceOct 15, 2026 · resolved in 1m
ASIA PACIFIC (Mumbai): Responses & Analytics Service Performance Degradation
- Degraded performanceOct 13, 2026 · resolved in 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