# OATH (Open Authentication) vs OneLogin Modern Multi-Factor Authentication: side-by-side comparison (2026) [OATH (Open Authentication)](https://cybersectools.com/tools/oath-open-authentication) is a free [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [OATH (Open Authentication)](https://cybersectools.com/companies/oath-open-authentication). [OneLogin Modern Multi-Factor Authentication](https://cybersectools.com/tools/onelogin-modern-multi-factor-authentication) is a commercial [MFA & passwordless](https://cybersectools.com/categories/user-authentication) solution by [OneLogin](https://cybersectools.com/companies/onelogin). 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 | | OATH (Open Authentication) | OneLogin Modern Multi-Factor Authentication | |---|---|---| | Pricing model | Free | Commercial | | Category | MFA & Passwordless | MFA & Passwordless | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | OATH (Open Authentication) | OneLogin | | Headquarters | – | – | ### Use cases and capabilities | | OATH (Open Authentication) | OneLogin Modern Multi-Factor Authentication | |---|---|---| | Authentication | Yes | Yes | | MFA | Yes | Yes | | Security Standards | Yes | – | | Open Source | Yes | – | | Security Framework | Yes | – | | Active Directory | – | Yes | | Single Sign On | – | Yes | ### Core features **OATH (Open Authentication)** 9 features listed. Sign in on the page to see them. **OneLogin Modern Multi-Factor Authentication** 10 features listed. Sign in on the page to see them. ### Integrations **OATH (Open Authentication)** No integrations listed. **OneLogin Modern Multi-Factor Authentication** 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. - [OATH (Open Authentication)](https://cybersectools.com/tools/oath-open-authentication) fits if you need both cloud and on-premises options and you need a free product. - [OneLogin Modern Multi-Factor Authentication](https://cybersectools.com/tools/onelogin-modern-multi-factor-authentication) fits if you want a cloud product. ## OATH (Open Authentication) vs OneLogin Modern Multi-Factor Authentication FAQ Common questions when comparing OATH (Open Authentication) vs OneLogin Modern Multi-Factor Authentication for MFA & passwordless. ### What is the difference between OATH (Open Authentication) and OneLogin Modern Multi-Factor Authentication? **OATH (Open Authentication)**: Vendor-neutral org publishing open standards for OTP & strong auth. Built by OATH (Open Authentication). **OneLogin Modern Multi-Factor Authentication**: MFA solution with adaptive authentication and multiple verification methods. Built by OneLogin. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes OATH (Open Authentication) and OneLogin Modern Multi-Factor Authentication? **OATH (Open Authentication)** is made by OATH (Open Authentication). **OneLogin Modern Multi-Factor Authentication** is made by OneLogin. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is OATH (Open Authentication) a good alternative to OneLogin Modern Multi-Factor Authentication? Often, yes. OATH (Open Authentication) and OneLogin Modern Multi-Factor Authentication are both MFA & Passwordless products, and both cover MFA, Authentication. Key differences: OATH (Open Authentication) is Free while OneLogin Modern Multi-Factor Authentication is Commercial. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [OATH (Open Authentication) vs WWPass MFA](https://cybersectools.com/compare/oath-open-authentication-vs-wwpass-mfa) - [OATH (Open Authentication) vs UserLock](https://cybersectools.com/compare/oath-open-authentication-vs-userlock) - [OATH (Open Authentication) vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-oath-open-authentication) - [OneLogin Modern Multi-Factor Authentication vs WWPass MFA](https://cybersectools.com/compare/onelogin-modern-multi-factor-authentication-vs-wwpass-mfa) - [OneLogin Modern Multi-Factor Authentication vs UserLock](https://cybersectools.com/compare/onelogin-modern-multi-factor-authentication-vs-userlock) - [OneLogin Modern Multi-Factor Authentication vs Mi-Token](https://cybersectools.com/compare/mi-token-vs-onelogin-modern-multi-factor-authentication) ## Alternatives to each - [See all OATH (Open Authentication) alternatives](https://cybersectools.com/alternatives/oath-open-authentication) - [See all OneLogin Modern Multi-Factor Authentication alternatives](https://cybersectools.com/alternatives/onelogin-modern-multi-factor-authentication) --- Source: https://cybersectools.com/compare/oath-open-authentication-vs-onelogin-modern-multi-factor-authentication For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/oath-open-authentication.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on OATH (Open Authentication) and OneLogin Modern Multi-Factor Authentication: 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