Detailed comparison across 10 dimensions
Winner: Opensign
OpenSign clearly comes out ahead of ZITADEL on Staquest's weighted six-dimension score. OpenSign has a free tier; ZITADEL does not. Paid plans start at $29.99/mo for OpenSign and $100/mo for ZITADEL.
| Overview | ||
|---|---|---|
| Type | saas tool | saas tool |
| Company | OpenSign Labs | ZITADEL |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Learning Curve | - | - |
| Integration | - | - |
| Trending | Stable | Stable |
| GitHub Stars | - | - |
| Industries | Legal & ComplianceDevelopmentCybersecurity & InfoSec | DevelopmentCybersecurity & InfoSecLegal & ComplianceReal Estate & PropTech |
| Categories | legal-tools | security-tools |
| Website | Visit | Visit |
Opensign
open source
per user
per user
custom
custom
| Feature | opensign | zitadel |
|---|---|---|
| 14 Field Types | ||
| 99.95% Availability | ||
| 500 Api Signatures Included | ||
| Australia | ||
| Advanced Field Validations | ||
| Custom Cloud Or Own Infrastructure | ||
| All Features | ||
| Custom Metrics | ||
| Custom Domain | ||
| Custom Support Sla | ||
| Everything In Free | ||
| Custom Threat Analysis | ||
| Everything In Professional | ||
| European Union | ||
| Organize Docs In Opensign Drive | ||
| Fast Response Times | ||
| Regular Expression Validations | ||
| Switzerland | ||
| Request Signatures From Others | ||
| Tailored Volume Pricing | ||
| Share Templates With Individuals | ||
| Technical Account Manager | ||
| Share Templates With Teams | ||
| United States | ||
| Sign Documents Yourself | ||
| Sso Support | ||
| Teams And Organizations | ||
| Unlimited Envelopes | ||
| Unlimited Guest Signers | ||
| Uptime Sla |
Showing 30 of 30 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, OpenSign comes out ahead overall, though ZITADEL can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
OpenSign's paid plans start at $29.99/mo and ZITADEL's start at $100/mo, so OpenSign is the lower entry price. Check the pricing comparison for higher tiers and per-seat costs.
OpenSign offers a free tier; ZITADEL does not currently list one.
OpenSign scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.
