One of the main differences between the two is the way that they work. Photoshop will work with pixels, which is why it will be easy to remove some of the details that you do not want in an image. The illustrator will work with the use of vectors.
Photoshop can also be used to make sure that editing photos will be a breeze. It is bound to make a lot of pictures look perfect. At times, Photoshop can also be used for art purposes. Adobe Illustrator can be used to create perfect lines. There are various points that you can choose, and the lines will be created in the process.