Is there a histogram on the camera app in the iphone 8+

Hello KennyKilowatt,

We are not sure exactly what you are referring to with "histogram." Any further details or information you can provide to clarify would help us help you. In the meantime, this is a comprehensive guide to the features of your Camera app that may help you find the information you are looking for:

About the Camera features on your iPhone - Apple Support

We hope this helps.

Take care.