Apps downloaded on iPhone don't appear on iPad

[Fatboy71]

I?m using iCloud on both my 4S and my iPad but when Iinstall an app on my 4S; it doesn?t appear on my iPad. What I normally then need to do is add the app in question manually to the other device.I expect it?s just somesetting that is wrong on one or both devices and or on iTunes, but I?ve checkedin iTunes, preferences/store and all the boxes are ticked for automaticdownloads.

I?ve also went into Settings/store (on my 4S) and music,apps, books are all switched on. All other aspects of iCloud work perfectly on both devices,for example, if I create a note on my iPhone it automatically appears on myiPad and vice versa. Also if I take a picture on my iPhone it appears on myiPad.

Any help would be much appreciated.