I used Nine for work email for years; it has the fewest "deal-breakers" in an email app that I've ever tried. Unfortunately, my company changed to Exchange Online and now only allows the official Outlook app.

As someone else mentioned, it's UI is maybe a little cluttered. However, it's also got the all the features I wanted. If you favor clean UI over features, look elsewhere. Otherwise, it's worth the price of admission.

The FDA is in charge of portion sizes. No one decides it on their own.

What a company can do is fiddle with the total number of portions. Which is how you get 5 portions in this pizza.