FlashCardQ3 is a simple and easy-to-use flash cards app for mobile devices. You can check your learning progress at daily test. Test date for each card is automatically appointed by tapping the rank button on test view. You will be able to use this app to learn foreign language or something more.
On a Test View, you can show answer, move to next card, set rank, display toolbar, and so on.
Each field of card in category can have its own style for Test View.
You will be able to modify rank settings, test schedle, etc. at option view.
Importing CSV data will be easily done via Mail app.