Chinese 23 1.0.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app is an intellectual property of Strelka Limited. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. Chinese 23 for Mac belongs to Education Tools.
From the developer:
Chinese 23 is a free English-Chinese and Chinese-English dictionary of Mandarin Chinese language (Putonghua). It helps you learn Chinese and expand your vocabulary. You can use this dictionary as a Chinese phrasebook. The pronunciation of Chinese words and characters is shown with pinyin and bopomofo (zhuyin fuhao).
You may want to check out more software for Mac, such as WordPower Learn Simplified Chinese Vocabulary by InnovativeLanguage.com, WordPower Learn Traditional Chinese Vocabulary by InnovativeLanguage.com or Learn Chinese Quick, which might be related to Chinese 23.