Using a password manager adds numerous of security benefits. The key feature being strong unique passwords for each application you use. Two of the most popular password managers are LastPass and 1Password. The main difference is LastPass syncs to all your devices by storing your vault on their servers. 1Password syncs to all your devices via Dropbox and does not save your vault to any other servers. They are both good and whichever you choose to use will be up to you.