One thing I like about the Aegis authenticator app is the clear way it changes colors and even flashes to indicate a code is getting ready to change, so it is l

One thing I like about the Aegis authenticator app is the clear way it changes colors and even flashes to indicate a code is getting ready to change, so it is less common that you might start copying digits, glance away, and then finish copying digits from a different code. But, I think it would still be a challenge for many elderly for other reasons.