The technical engine behind it is better, but the UX for using it on a locked phone isn't good. All of my issues are solvable by android, they aren't technically hard. But it's still an issue after all of these years.

For me, I only use voice in a car and some other basic cases, since it fails on the locked phone case for me, it's not that useful.

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My basic issues with android:

1. A battery monitor that just works(tm) without playing science experiment. An OS that clamps down on apps to prevent it becoming an issue in the first place.

2. Faster & better camera software, quickly accessible from a locked screen, quick to start, helps me take photos without me realizing it.

3. A voice interface that works well when the screen is locked or occupied by another app, where it easily does things like:

a) Send & speak text messages

b) Control my music / podcasts

c) Change my GPS navigation.

4. An OS that really tries in security. Android is not as secure as iOS, as evidenced by the prices of jailbreaks.

5. An OS that will get updates on devices for years to come. Windows has being doing it for decades despite having similar hardware fragmentation, why can't android do it?