E-Signature Software · reliability comparison
Formstack Sign vs Yousign: which is more reliable? (2026)
Formstack Sign is more reliable than Yousign, scoring 74.1 vs 64.2 out of 100. Over the last 90 days Formstack Sign reported 6 incidents and Yousign reported 9, with effective uptime of 99.74% and 99.50% respectively. Yousign resolves incidents faster on average (6h 37m).
Data updated Nov 1, 2026 · How we score
| Metric | Formstack Sign | Yousign |
|---|---|---|
| Reliability score | 74.1 | 64.2 |
| Rank (e-signature tools) | #8 | #9 |
| Uptime (90 days) | 99.74% | 99.50% |
| Incidents (90 days) | 6 | 9 |
| Partial / major outages | 1 | 3 |
| Avg time to resolve | 10h 9m | 6h 37m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Formstack Sign and Yousign differ
- Yousign reported 50% more incidents than Formstack Sign over the last 90 days (9 vs 6).
- Yousign had 3 partial or major outages, compared with 1 for Formstack Sign.
- Yousign fixes problems faster: 6h 37m on average, against 10h 9m for Formstack Sign.
- Formstack Sign's longest outage on record lasted 45m (Sep 29, 2026); Yousign's lasted 6h 6m (Dec 18, 2025).
90-day uptime
Formstack Sign
Yousign
- 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 Yousign incidents
- Degraded performanceOct 16, 2026 · resolved in 19m
Delays in processing simple and advanced electronic seals
Affected: API V3 - https://api.yousign.app
- Partial outageOct 16, 2026 · resolved in 25m
Identity verification unavailable for AES and Verify
Affected: APP V3 - https://yousign.app, API V3 - https://api.yousign.app
- Partial outageOct 7, 2026 · resolved in 5h 40m
Degraded performance on Yousign v3 (API and web application)official update ↗
Affected: APP V3 - https://yousign.app, API V3 - https://api.yousign.app
- InformationalOct 2, 2026 · resolved in 2d 1h
Degraded access for some users on the Orange network
Affected: API V2 - https://api.yousign.com, APP V3 - https://yousign.app, APP V2 - https://webapp.yousign.com, API V3 - https://api.yousign.app
- Partial outageSep 14, 2026 · resolved in 1h 42m
Affected: APP V3 - https://yousign.app, API V3 - https://api.yousign.app
- Degraded performanceSep 4, 2026 · resolved in 8h 36m
Delayed or failed email delivery to Microsoft sender addresses
Affected: Youtrust Notification Providers