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I purchased the OSX and iOS versions a few months ago and am running the latest versions. The work flow is pretty nice, but:

Mac OSX: even the latest version is slow, crashes almost daily and does not always display a thread intuitively. Note that I have 4 gmail accounts configured.

iOS: This is the one that drives me crazy! Also slow, buggy, and its notification system is bonkers. I get notified if I send an email. If I send an email without a subject (usually I'm emailing an attachment), I get continuous notifications on my phone.

I had tried Mailbox and the only thing I did not like was that I could not use gmail labels (easily). The reality for me is, at work, I have a Windows PC and use the gmail web client interface, so I still label and 'star' emails.

Mail Pilot let me archive to folders (labels), but it's way too buggy, esp. the iOS version.

As of today, I am back to Mailbox and am awaiting their Mac client.

The Mac version of Mailbox is in currently is private beta and when released to the public, it will be free.
 
Organising emails

Apple Mail does have serious limitations and this new app would be useful but I plan to wait a bit for more reviews. For example, does it replace the Mail app or can they be used concurrently?
For what it is worth I found that I could drag an email message from Mail into Reminders and use that app to alert me to answer an email.
 
shame to see no updates for the iOS version and such an expensive price to pay for for buggy software you're essentially 'testing' for such an important task.

all the reviews say the same; great idea and sad from the lack of response or push from the company. I'd really like to buy into this as the idea is great but i'd like few more reviews too.

Any news if you can import from the mac mailbox?
 
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