InsFull is the best app to view your Instagram profile on your smartphone. This app allows you to see the full screen view of the profile photo.

You can easily search for any Instagram user by typing the user's name or username in the input field. This app also allows you to see the full screen view of the profile photo and easily download the profile photos of any user.

What's more, this app allows you to find profiles using their URLs instead of the user's IG handle.