ARK2FA
5.6#38 in multi-factor authentication softwareWebLinuxSelf-hostedWindows
VisitARK2FA vs Duo Mobile
Duo Mobile
8.5#2 in authenticator appsFrom $3 a monthFree planAndroidiOS
VisitWhat both publish
| Fact | ARK2FA | Duo Mobile |
|---|---|---|
| Compliance | The technical specifications list ISO 27001, GDPR, HIPAA, and PCI DSS. | Duo states that it supports or aligns with PCI-DSS 4.0, NIST 800-63 and 800-171, DEA EPCS, GDPR, FFIEC, HIPAA, and PIPEDA requirements. |
| Founded | 2022 | 2010 |
| Headquarters | Sofia, Bulgaria | Ann Arbor, Michigan, United States |
| Integrations | Listed integrations include ADFS, RADIUS, Cisco AnyConnect VPN, FortiClient VPN, Pulse Secure VPN, Aruba Wi-Fi, Cisco Wi-Fi, Google Authenticator, Microsoft Authenticator, and LDAP. | Duo works with legacy infrastructure, major platforms, custom apps, VPNs, SaaS tools, and offline devices. |
ARK2FA plans
- ADFS EditionPriced on request
- Enterprise EditionPriced on request
Duo Mobile plans
- Duo Essentials$3 a month
- Duo Advantage$6 a month
- Duo Premier$9 a month
- Duo Free—
Pick ARK2FA if…
You want what its maker publishes above — check its page for the details.
Pick Duo Mobile if…
It suits individuals who need app-based login approvals or passcodes, as well as organizations integrating authentication with business systems. End users needing setup or troubleshooting help should contact their Duo administrator.