Occasionally, an app escapes the watchful eye of Apple's review team and gets released on the App Store despite ignoring Apple's stringent rules for third-party iOS development. HiddenApps by David Goelzhaeuser, a 15-year-old German iOS developer, is one such example.
The whole point of this free application is to let you hide Apple's stock apps from your Home screen, like Passbook, Newsstand or Stocks - no jailbreak required.
It can also disable Apple's iAds altogether and give you access to a Field Test mode which gives you precise readings of your cellular signal strength. You better download as it's going down in 5, 4, 3, 2...