I also use FreeOTP, but be aware that it stores the keys in plaintext. That was the reason I chose it actually - it gives me a way to encrypt and back up my co

I also use FreeOTP, but be aware that it stores the keys in plaintext. That was the reason I chose it actually - it gives me a way to encrypt and back up my codes in one fell swoop - but it is definitely a risk to be aware of on a rooted device.