It's difficult to remember them all, tedious and dangerous.
Write them down on a sheet of paper is a sure way to lose them and make them visible to anyone.
With Just One Password you just have to choose and remember a 4 digit access code and you'll get exclusive access to all your passwords with a simple click.
The password will be saved in the memory of your smartphone using a strong encryption algorithm, so you can bring your data to any android device.
In case of loss or theft, anyone who tried to access the password file will be unable to read the unencrypted content.
In addition, once logged, you can change the access code and therefore the encryption key, so as to make it even more secure access to your password.