When I researched on the best/popular TOTP apps some years ago, I found Authy being highly recommended. When I tried it, I discovered that it first needs a phon

When I researched on the best/popular TOTP apps some years ago, I found Authy being highly recommended. When I tried it, I discovered that it first needs a phone number that it verifies through an SMS code. I promptly removed it and switched to another one (called OTP Auth).