1 Zip-It
When it comes to viewing zip files on your iPhone, you have no options but to use a third-party app that can decompress zip files and show the content. One of the best apps for this purpose is Zip-It, a feature-rich app that is capable of extracting the content of zip files to your device. It also offers a Safari extension so that you can view Zip files right from the browser. Download: Zip-It ($0.99)