Yomiwa Japanese Dictionary and Translator by Vivien Seguy
https://appsto.re/us/WIz_N.i
The built in offline OCR reader is nice
The others apps below are free too
HanYou Chinese Dictionary and Translator by Vivien Seguy
https://appsto.re/us/qIzT1.i
KoreanGo – Korean Dictionary by Vivien Seguy
https://appsto.re/us/9J8ieb.i