E-Signature Software · reliability comparison
Formstack Sign vs SignNow: which is more reliable? (2026)
SignNow is more reliable than Formstack Sign, scoring 98.9 vs 74.1 out of 100. Over the last 90 days Formstack Sign reported 6 incidents and SignNow reported 1, with effective uptime of 99.74% and 99.99% respectively. SignNow resolves incidents faster on average (8m).
Data updated Nov 1, 2026 · How we score
| Metric | Formstack Sign | SignNow |
|---|---|---|
| Reliability score | 74.1 | 98.9 |
| Rank (e-signature tools) | #8 | #5 |
| Uptime (90 days) | 99.74% | 99.99% |
| Incidents (90 days) | 6 | 1 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 10h 9m | 8m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Formstack Sign and SignNow differ
- Formstack Sign reported 6× as many incidents as SignNow over the last 90 days (6 vs 1).
- Formstack Sign had 1 partial or major outage, compared with 0 for SignNow.
- SignNow fixes problems faster: 8m on average, against 10h 9m for Formstack Sign (74.3× quicker).
- Formstack Sign's longest outage on record lasted 45m (Sep 29, 2026); SignNow's lasted 5h 9m (Mar 11, 2026).
90-day uptime
Formstack Sign
SignNow
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Formstack Sign incidents
- InformationalOct 9, 2026 · resolved in <1m
Formstack Sign: Some Documents finalized without audit pages
Affected: Documents
- Degraded performanceOct 5, 2026 · resolved in 2h
Sign Integration Authentication Issues
Affected: API & Document Generation, Documents
- Degraded performanceSep 30, 2026 · resolved in 6h 13m
Delayed Documents Deliveries After Sign Completion
Affected: API & Document Generation
- Degraded performanceSep 29, 2026 · resolved in 1d 7h
Formstack Sign API Authentication Issues
Affected: API, Documents
- Partial outageSep 29, 2026 · resolved in 45m
Documents with Sign Delivery are failing
Affected: API & Document Generation
- InformationalSep 28, 2026 · resolved in 9h 59m
Formstack Sign authentication migration
Affected: Main Application, API
Recent SignNow incidents
- Degraded performanceSep 4, 2026 · resolved in 8m
University SignNow Unavailable
Affected: Web