SmartHanzi 2020.09 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 Jean Soulat. SmartHanzi for Mac relates to Education Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
SmartHanzi is a free tool for students and anyone wishing to read real Chinese texts (web, PDF), even with a limited level in Chinese. It includes Chinese dictionaries for English, French, and German with links to related words and characters, as well as the DDB (Digital Dictionary of Buddhism, short definitions only).
A full text can be copied with immediate access to unknown words.
You may want to check out more software for Mac, such as eSpeak, Translate Text or collatinus, which might be similar to SmartHanzi.