iOS Universal Education
The abacus that will "Tell" you the number it is showing.
It designed for children to help them learn the basic of abacus.
1. Easy control.
2. Funny graphics attract children's attention.
3. Read the number to reinforce the memory.
想孩子學好珠算嗎? 就從此app 開始吧!
New mute button, you can turn off the voice anytime!
Enhanced user interface.