Google Photos is a great application, but we must recognize that some essential parts of its functioning in Android do not end up making much sense. Like the use of storage. Thus, it is normal for the app to occupy more than 1 GB of internal storage, or even 10 GB.
Ironically, one of the strengths of Google Photos is that it allows you to free up disk space by backing up your photos in the cloud, thus being able to erase photos from your mobile and free up space. However, the application itself gets fatter with time, and you should take the initiative periodically to stop it. Continue Reading