Taiwanese Dictionary is an educational reference application available on iPhone. This program, developed by Jason McDowell, is a free dictionary catering to the Taiwanese language, also known as Taiwanese Hokkien, Tâi-oân-oē, or Tâi-gí. Withentries, it offers translations of Taiwanese words and phrases in English and Chinese, making it a comprehensive resource for language learners and speakers. Users can effortlessly search for words in Taiwanese, English, or Traditional Chinese, whether looking for whole terms or partial matches.

The dictionary uses Peh-ōe-jī romanization for all Taiwanese words and supports various writing systems such as Tâi-lô, DT (Daī-ghî tōng-iōng pīng-im), Zhuyin (Extended Bopomofo), and IPA (International Phonetic Alphabet), providing users with multiple ways to access and understand the language.