Here are just a few. (Disclaimer: I use and love LastPass, but am familiar with 1Password). Sync- it's possible with Keychain Access + Dropbox, but not seamles

Here are just a few. (Disclaimer: I use and love LastPass, but am familiar with 1Password). Sync- it's possible with Keychain Access + Dropbox, but not seamless Easy password generation- no switching to Keychain Access, copying, etc. iOS access- up until iCloud sync, passwords were not easily transferred to devices Support for Windows browsers Form filling- Keychain will do addresses, but not credit cards