Calendar app Sunrise released a major update today, completing two missing pieces of the complicated calendar puzzle — you can now use Sunrise on your iPad with a new design tailored for bigger screens, and there is a much-requested week view to get a better picture of what your schedule looks like. Finally, the company added background updates so that your calendar is always up to date when you open the app. “We realized that mobile is an even bigger paradigm shift than we originally thought,” co-founder and CEO Pierre Valade told me. “Every other day, I don’t even use a computer anymore — I consider the iPad as a mobile device. People want to feel productive anywhere, and work from their iPad. So that’s why we built Sunrise for the iPad.”