The application is an electronic Chukchi-Russian and Russian-Chukchi dictionaries, supports word search with hints at input and is completely autonomous, that is, it does not require an Internet connection. For the convenience of working with the dictionary, the letters “Ԓ” “Ӈ” and “Ӄ” of the Chukchi alphabet, which are not present in the keyboard with the Russian layout, are added as separate buttons above the keyboard. The dictionary is perfect for people who are professionally studying the Ch