GuiO's Ear Training -beginner- (free) for iOS

GuiOs ear training (free) was modified to suit the smartphone an ear training fora step-by-step practice published in Korea.Exercises are presented as follows: Melody 1: 20 exercises such as interval, key signatures, various scale formations Melody 2: 25exercises such as rhythm.- How to exercises 1. A blank staff, a pencil, an eraser ready. 2. Write a clef, a time signature, a key signature, the first note of the exercise presented in the app on the staff in advance. 3. Listen and repeat. Write the notes on the staff. 4. Check the correct answer.Raise your ear training ability through adequate practice.** The paid version offers more than 400 examples.