Great And Terrible Products Motivate People In A Similar Fashion: They Want To Share Their experiences With Others. Unfortunately, providing Feedback For An iphone App Is Not Straightforward. It Is Not Possible To Write A Review For An App Directly From The Iphone. While It Is Possible To Rate An App From The Phone, The App Must Be Deleted First. To Share Feedback With The Community Without Deleting Apps, It Is Necessary To Use Apple's Digital Media Player, Itunes.