Rastrum

The Rastrum is now available as a free download on Apple Store for both iPhone and iPad owners.The application is supporting different languages: English, Chinese, Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish. It weighs in at only 15.6 MB to download. The new Rastrum app version 1.0 has been updated on 2014-11-25. For ensuring consistency with the device you should take into account the following app compatibility information: Compatible with iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation), iPod touch (4th generation) and iPad.Requires iOS 4.0 or later.
More Info: Find more info about Rastrum in EducApps`s Official Website : http://rastrum.org/support/