Cantone is an educational application designed to aid learners in perceiving and speaking tones in tonal languages such as Cantonese and Mandarin. The program offers support for traditional and simplified characters, multiple transcription systems like Jyutping, Yale, Pinyin, and bopomofo, and provides user interfaces in English, German, Mandarin, and Cantonese. Users can switch between light and dark modes for comfortable learning sessions.

With Cantone, users can gradually learn tones and words, progressing to advanced topics at their own pace. The app offers perception activities to enhance tone-distinguishing abilities, production activities to personalize speech training, vocabulary activities to reinforce knowledge, tone sandhi activities to teach about tone changes, and various other activities to improve language skills.