# BIO-key Identity-Bound Biometrics (IBB) vs Gradient for Users: side-by-side comparison (2026)

[BIO-key Identity-Bound Biometrics (IBB)](https://cybersectools.com/tools/bio-key-identity-bound-biometrics-ibb) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [BIO-key International](https://cybersectools.com/companies/bio-key-international). [Gradient for Users](https://cybersectools.com/tools/gradient-for-users) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [Gradient](https://cybersectools.com/companies/gradient). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best MFA and Passwordless Solutions for Business](https://cybersectools.com/shortlists/best-mfa-passwordless-solutions) picks Okta Adaptive MFA, Cisco Duo Passwordless, Beyond Identity Phishing-Resistant MFA and 4 more.

## Side-by-side comparison

| | BIO-key Identity-Bound Biometrics (IBB) | Gradient for Users |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | MFA & Passwordless | MFA & Passwordless |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | BIO-key International | Gradient |
| Headquarters | – | – |

### Use cases and capabilities

| | BIO-key Identity-Bound Biometrics (IBB) | Gradient for Users |
|---|---|---|
| Authentication | Yes | Yes |
| MFA | Yes | Yes |
| SSO | Yes | Yes |
| Single Sign On | – | Yes |
| MITM | – | Yes |
| Zero Trust Architecture | – | Yes |
| ZTNA | – | Yes |
| Windows | – | Yes |
| BYOD | – | Yes |

### Core features

**BIO-key Identity-Bound Biometrics (IBB)**

10 features listed. Sign in on the page to see them.

**Gradient for Users**

10 features listed. Sign in on the page to see them.

### Integrations

**BIO-key Identity-Bound Biometrics (IBB)**

2 integrations listed. Sign in on the page to see them.

**Gradient for Users**

6 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [BIO-key Identity-Bound Biometrics (IBB)](https://cybersectools.com/tools/bio-key-identity-bound-biometrics-ibb) fits if you need both cloud and on-premises options.
- [Gradient for Users](https://cybersectools.com/tools/gradient-for-users) fits if you want a cloud product.

## BIO-key Identity-Bound Biometrics (IBB) vs Gradient for Users FAQ

Common questions when comparing BIO-key Identity-Bound Biometrics (IBB) vs Gradient for Users for MFA & passwordless.

### What is the difference between BIO-key Identity-Bound Biometrics (IBB) and Gradient for Users?

**BIO-key Identity-Bound Biometrics (IBB)**: Passwordless biometric authentication tied to individual identity for enterprise use. Built by BIO-key International.

**Gradient for Users**: Passwordless MFA SaaS plugin for SSO that anchors identities to devices. Built by Gradient.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes BIO-key Identity-Bound Biometrics (IBB) and Gradient for Users?

**BIO-key Identity-Bound Biometrics (IBB)** is made by BIO-key International. **Gradient for Users** is made by Gradient. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is BIO-key Identity-Bound Biometrics (IBB) a good alternative to Gradient for Users?

Often, yes. BIO-key Identity-Bound Biometrics (IBB) and Gradient for Users are both MFA & Passwordless products, and both cover MFA, Authentication, SSO. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [BIO-key Identity-Bound Biometrics (IBB) vs Cyphercor MFA Solutions](https://cybersectools.com/compare/bio-key-identity-bound-biometrics-ibb-vs-cyphercor-mfa-solutions)
- [BIO-key Identity-Bound Biometrics (IBB) vs Circle Security Circle Access](https://cybersectools.com/compare/bio-key-identity-bound-biometrics-ibb-vs-circle-security-circle-access)
- [BIO-key Identity-Bound Biometrics (IBB) vs Privakey SSO & IdS](https://cybersectools.com/compare/bio-key-identity-bound-biometrics-ibb-vs-privakey-sso-and-ids)
- [Gradient for Users vs Cyphercor MFA Solutions](https://cybersectools.com/compare/cyphercor-mfa-solutions-vs-gradient-for-users)
- [Gradient for Users vs Circle Security Circle Access](https://cybersectools.com/compare/circle-security-circle-access-vs-gradient-for-users)
- [Gradient for Users vs Privakey SSO & IdS](https://cybersectools.com/compare/gradient-for-users-vs-privakey-sso-and-ids)

## Alternatives to each

- [See all BIO-key Identity-Bound Biometrics (IBB) alternatives](https://cybersectools.com/alternatives/bio-key-identity-bound-biometrics-ibb)
- [See all Gradient for Users alternatives](https://cybersectools.com/alternatives/gradient-for-users)

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Source: https://cybersectools.com/compare/bio-key-identity-bound-biometrics-ibb-vs-gradient-for-users

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/bio-key-identity-bound-biometrics-ibb.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on BIO-key Identity-Bound Biometrics (IBB) and Gradient for Users: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md