Best Smart Locks for Two-factor authentication availability

#1

Two-factor authentication was explicitly praised as part of the app’s account security requirements.

#2

Voice-unlock PIN requirements were viewed both as a useful extra security layer and, by one reviewer, a security flaw if the code is spoken aloud.

#3

Two-factor authentication was criticized as missing from the Schlage app, reducing account-security confidence compared with some rival smart-lock apps.

#4

Two-factor authentication was a clear weakness in the Reviewed review, which criticized the app for lacking this extra account-protection layer.