[completely free] word runner, is the app to study English words intently.
Or change the order, or to questions at random.
In addition, I think that if the help of to remember the basic word First tightly.
And intensive training every day, to become a English master!
Despite money, nothing in advance to put the app on iphone loss No!
Please contact me if you have trouble.
【Operating environment】
iOS8.0 or more