Easy drag and drop or Mac App Store installation Using the version delivered via the developer’s website could be a very good idea if you find the constant nagging of App Store version a bit too much for your taste (this happens because the App Store version needs your confirmation when it wants to get around the built-in sandbox). The Unarchiver is an absolutely free macOS app that can be successfully used as a substitute for Apple's BOMArchiveHelper.app, the free built-in unarchive utility.Īt the moment, The Unarchiver is distributed directly on the developer’s website and through Apple’s Mac App Store, the single difference between the two apps being that the App Store version is sandboxed, while the one available for direct download is not.