We recently updated both our Chinese Flashcards iPhone apps with modern designs. They should be available as free updates, if you have them already.
![CF1](https://www.chinesetrack.com/wp-content/uploads/CF1-300x260.jpg)
![CF2](https://www.chinesetrack.com/wp-content/uploads/CF2-300x262.jpg)
You can find them in the app store here:
Chinese Flashcards: Learn 2700 characters
Chinese Flashcards II: Learn 1000 words for beginners