Duo Mobile
8.5#2 in authenticator appsFrom $3 a monthFree planAndroidiOS
VisitDuo Mobile vs OpenOTP Authentication Server
OpenOTP Authentication Server
7.5#26 in authenticator appsFree planFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Duo Mobile | OpenOTP Authentication Server |
|---|---|---|
| Free plan | Yes | Yes |
| Headquarters | Ann Arbor, Michigan, United States | Esch-sur-Alzette, Luxembourg |
Duo Mobile plans
- Duo Essentials$3 a month
- Duo Advantage$6 a month
- Duo Premier$9 a month
- Duo Free—
OpenOTP Authentication Server plans
- Freeware Edition—
- Enterprise Edition—
- Cloud Edition—
- On-Premise FreewareFree
- On-Premise TrialFree
- SaaS TrialFree
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.
Pick OpenOTP Authentication Server if…
It suits SMEs and large corporations in IT, finance, healthcare, and government. Organizations can choose on-premise or cloud deployment and connect existing directories, VPNs, and federation systems.