I like it, but its treatment of multiple mail accounts is crappy compared to sparrow (no unified inbox).
The Gmail app is slick, but extremely slow for me (on iPhone 5), as in "it's really annoying every time I use this app but I've moved away from native Mail and inertia is a hell of a thing." Other people I've talked to have had similar experiences. I'm excited to try Mailbox.
No unified inbox, etc.
you can't be serious, it's the beginnings of something good, but it has all kinds of problems, it fails to load email often (reporting "something has gone wrong.."), it routinely doesn't clear the red read indicator, it's laggy and sluggish. I am sure Google will make it kickass in the fullness of time, but for now, that's not what gmail/iOS is.
Unread indicator is always wrong, especially when you use multiple devices. Seems very I characteristic of google. It's been that way since they released the app.