The Art of the App Store: The Business of Apple Development

ADAPTING APPS TO IPAD

Apple is an expert when it comes to converting apps from Mac to iPhone/iPad, as well as from iPhone to iPad. From its Number 1 selling Pages on iPad to Safari to the Mail app and Game Center, Apple knows that it's not simply a matter of scaling up or down graphics to meet a new resolution. It's a matter of delivering an improved experience that matches the larger size and, ultimately, the way people use the device, which is different for iPad than it is for iPhone.

This section is devoted to tips on how to maximize your app's value when converting iPhone apps to iPad, or even building an app from scratch on the device.

• Consider primary use — iPhone apps are meant for people on the go, whereas iPad apps can feature a bit more depth or complexity, because users are typically more stationary.
• Orientation opens up on iPad — For iPhone, your orientation is usually locked in, depending on content and use. However, on iPad, because of the greater resolution and space, your app should allow for either, if possible.
• Keep core functionality consistent — Though you'll have more space to add icons, only do so if required (streamlining is still recommended) and keep the relative positions of icons the same.
• Reduce full-screen transitions — More space provides an opportunity to keep sections of the screen consistent, while updating only those sections that need it. According to Apple's iOS Human Interface Guidelines, to best keep users focused on the task, make use of ...