| Price from | $15/mo | $10/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 20 | 7 |
| Spec score · E-signature tools | 8.9 (#9) | 9.5 (#1) |
| Spec score · E-Signature Software | 8.8 (#10) | 8.6 (#20) |
| API access | Yes | Yes |
| Audit trail | Yes | Yes |
| Bulk sending | Yes | The product can send documents to large recipient lists in one operation. |
| Company headquarters | LinkedIn lists the headquarters as Horsham, England, with additional locations in Johannesburg and Melbourne. | LinkedIn lists Zoho headquarters in Chennai, Tamil Nadu, India. |
| Compliance | The vendor states ISO 27001, ISO 9001, GDPR, SOC 1/2/3, HIPAA/HITECH, FedRAMP and eIDAS-related compliance coverage. | Zoho states compliance with ESIGN, UETA, eIDAS, GDPR, HIPAA, CCPA, PIPEDA, ITA 2000 and ETA frameworks or laws. |
| Document templates | Yes | Yes |
| Free plan | Yes | Yes |
| Licence | SigniFlow is presented as privately held commercial software under a vendor EULA; no open-source licence is provided. | Zoho provides Sign as subscription cloud software under terms that restrict reverse engineering, redistribution and removal of proprietary notices; no open-source licence is stated. |
| Praise: ease of use | Reviewers repeatedly describe setup, sending and signing as intuitive and easy for administrators and recipients. | G2 reviewers repeatedly describe Sign as fast, simple and easy to use for sending contracts and obtaining signatures. |
| Rating on Capterra | 4.5 out of 5 from 87 reviews | 4.5 out of 5 from 97 reviews |
| Rating on Gartner Peer Insights | 4.8 out of 5 from 7 reviews | 4.6 out of 5 from 164 ratings |
| Signature order | both | both |
| SMS authentication | Yes | Yes |
| What it does | SigniFlow digitises and automates document approval, signing and business processes with electronic and digital signatures. | Zoho Sign is a cloud service for sending, signing, tracking and managing legally binding business documents. |
