Dater allows you to add the date and time to your photos to which they have been taken, but you will only see this data on your film, they will not be overprinted on the image in case you want to print it for example.
In addition Dater also add a new option of image informationIf you hold down your finger on a photo on the reel and press "image information" you will see the size of the same, when it was created, modified, its dimensions in pixels or the location GPS from where the image or capture has been taken.
You can download it for $ 0,99 on Cydia, You will find it in the BigBoss repo. You need to have done the jailbreak on your device.
More information - 360 degree camera for the iPhone, record everything around you
very interesting but ... is the date / time always visible or is it hidden after a while?
from what I've seen it has no option to disable it, so is it uninstalled or is it always active?
Yes, but if you zoom in a little, it takes off.
Another thing we should have as standard ...