Password Vault Manager 5.3 Key Link br br But because conventions differ from site to site (this one demands at least two symbols and no capitals, while this one requires a mixture of cases and a minimum length), it's important to use original passwords for each account, and they need to be updated on a regular basis, it can be a Herculean task trying to remember them all. br br That's where password manager apps come in. These allow users to create one master password, after which the app takes care of logging into all other accounts. Only having to remember one combination of letters, numbers, and weird symbols? That sounds good to us. Here's a selection of the best Mac password managers available at the moment.