Side by side
Digio vs OpenSign
Both stand on e-signature software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIWeb
Digio brings identity, document, signing, payment, consent, and screening functions into one business-focused product range. Its feature coverage and integration options suit organizations with onboarding or compliance workflows, while pricing requires contacting the provider.
Visit Digio
Free plan Open source APILinuxMac+3
Choose OpenSign if you need a free PDF signing plan, reusable templates, or self-hosting options. Look elsewhere if your free workflow depends on bulk sending, public links, or live API tokens, since those require paid plans.
Visit OpenSignThe facts
| Digio | OpenSign | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Android, API, Web | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | See the plans | Professional: $9.99 a month |
| Plans published | 3 | 4 |
| Maker | Digio | Not published |
| Website | digio.in | opensignlabs.com |
| On e-signature software | #5 of 68 | #1 of 68 |
Digio: what it does well
- Broad identity verification options
- Document templates, workflows, and repositories
- Multiple electronic signing methods
- Recurring payment mandate support
- APIs and SDKs for web and mobile
What to know first
- iOS is marked as coming soon
- Most commercial pricing requires discussion
- Android app availability is specified, not iOS
OpenSign: what it does well
- Free plan includes unlimited digital signatures and templates.
- Templates support pre-placed widgets and reusable documents.
- Supports two-factor authentication and passkey sign-in.
- Offers Docker self-hosting instructions for Linux, macOS, and Windows.
- Sandbox API tokens are available on every plan.
What to know first
- Free users can send up to 15 invitation emails per month.
- Bulk sending and public links require a paid plan.
- Live API tokens require Professional or Teams.
- Some SMTP features are limited to paid plans.
Alternatives to Digio Alternatives to OpenSign The whole list