Want to conveniently check calendar using your iPhone or iPod touch? Take a look at Instacal, the calendar app should be able to meet your requirements.
Instacal is a simple and practical calendar app developed by Lackar Studio, and designed for iPhone and iPod touch. The iPhone app features a customizable calendar, and comes with 6 different fonts and 10 gorgeous wallpapers in order that you can set your favorite calendar, moreover, you can also import your own photo as the background of your calendar for personalized look. After setting the wallpaper and the month, you can save it into your camera roll and use it as the lock screen wallpaper, so you can easily check the calendar even without unlocking your iPhone. Apart from that, the calendar app supports Chinese lunar calendar and China mainland, Taiwan, Hong Kong, Macau and international festivals.
Instacal with a size of 5.1 MB is compatible with iPhone (optimized for iPhone 5), iPod touch and iPad running iOS 5.0 or later. The iPhone app is free for a limited time at present. If you’re interested, jump to App Store for more details.