In Short: UnApp is a new application that has appeared on the Play Store, and it allows you to uninstall multiple application at once, without needing to root your device. Granted, this is not the first such app we've seen, and some OEMs do have skins which offer such functionality, but if your phone does not, and you do have a need for such an application, UnApp is actually quite capable. The premise is quite simple, you fire up the app, once it shows you all of the app that you have installed (and can remove), you simply tap the ones you want to uninstall, and the app will do the work for you. You cannot, of course, uninstall system applications, if your phone is not rooted, of course, as this app does not require root on its own. This app lets you search your apps to find what you want to delete, while you can also sort apps by the size of their APKs, or by their name. This app also has a premium version which allows you to choose an AMOLED theme, which is not available in the free variant.
Background: The app currently has 13 reviews, and is holding a perfect 5-star rating in the Play Store. Some of you have probably wanted to delete a bunch of apps from your phone at once but were not able to, well, this app makes it possible, and it will save you quite a bit of time in the process. As already mentioned, some OEMs do make this possible in their Android skins, but not many, so this app will probably come in handy to quite a few of you.
Impact: UnApp did surface on the Play Store rather recently, but it's a stable app, this is not a beta version of the app or anything of the sort. On top of being free, the app also brings a really nice-looking UI, and you probably won't have any issues using it, as it's quite straightforward as well. If you're interested in trying out UnApp on your device, a Google Play Store link has been included down below, along with some screenshots of the app itself.