To sign into VSCO, tap on the face at the bottom of the tab bar.
Tap on Sign in on the screen:
Once your information has been entered tap on the arrow in the top right corner of the screen. You will then be signed into your account:
To Sign out, tap on the face icon at the bottom of the tab bar and then tap on Settings at the top of the screen. In Settings, tap on Sign out located at the bottom left of the screen: