See article about the TouchArcade App. The AppShopper app is still 32-bit, but it can't be updated as Apple policy currently stands. I will still use it until it dies or kills my device. Either way, it's not getting deleted.
I'm still using the version that's iPad compatible, that I have for the last 5 years. And it still works as great as it always has. Though with the several hundred slots and knockoff crap that gets dumped out each day. I REALLY wish there was a way to filter that crap out.
The app still works flawlessly on my iPad Air, 1st generation, iOS 10.1. I agree with Mariko, though, that it would be nice to filter out some of the "junk" apps that appear every day, that take up far too much room.
I find the AppShopper website on safari to be very mobile friendly and it seems to have more filtering options than the app. I just bookmarked the site to my home page and use it as though it is an app.