[Someone1234]

iCloud Keychain doesn't work with all apps or even all browsers, when it doesn't there's no trivial way of copying in a password, it isn't cross-platform, and you cannot import or export existing passwords.

I consider the other products listed as actual competitors of Lastpass, I don't even rank iCloud Keychain that high, it lacks even basic features.

[MBCook]

Copying a password isn’t that hard, you can get to it through keychain or the password section in iOS Settings.

It’s definitely not cross platform, but that’s to be expected from an Apple product.

Doesn’t support other browsers? I suppose, but for me and many other people that’s not an issue.

It works fine in for many individuals I think they could consider it a competitor. It’s certainly not an answer for MOST people, but if you’re in the right group it works great.