
Auth0 Guardian
7.8#12 in authenticator appsFrom $35 a monthFree planAndroidiOS
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Guardian suits Auth0 users who need mobile push approvals or temporary OTPs for MFA. Organizations building custom authentication apps may also consider its SDKs and MFA API.
PingOne suits organizations managing workforce or customer identities through web-based SSO, authentication, MFA, directory integration, and provisioning. The workforce plans target deployments meeting the stated annual contract and 5,000-user minimum.