How do I delete an App on my iPhone without deleting it on my iPad?
You can manage deleting an App on my iPhone by holding down on the application, you want to delete for a few seconds and press on the X to delete it. Then you press the home button to end the deleting process.
If you delete it on one device it won't erase from the other. Simply Hold the app and click the X in the corner. Then press the home button.