AIO Khmer dictionary is a all in one khmer dictionary which can translate from 7 languages, included:
- Khmer to Khmer
- English to Khmer
- Thai to Khmer
- French to Khmer
- Japanese to Khmer
- Korean to Khmer
- Chinese to Khmer
- Khmer to Khmer (Kingwords 'Reach Sab').
- English to English
- English to English Thesaurus
- Khmer to Khmer (bali)
- Vietnamese to Khmer
- Khmer to English
- English to Khmer (Medical)

This App includes many features like:
- Work offline
- Fast and easy searching word ( beginning and contain word )
- Easy switch from one dictionary to one dictionary
- Able to store your favorite words ( Bookmarks)
- Able to check your recent words
- Included talking words and reading selected phrases ( 9 languages )
- Support both landscape and portrait.