PicStory is a very interesting app for your iPad. It allows you to organise your photo albums by timeline. titles, functions and many more. There’s the usual import/export features and back up.
This app usually retails for $4.99/£2.99 but at the time of posting, this app is available for only $0.99/£0.69 in both the US and UK app stores. You can download it here.