Chinese Number Trainer Free is an Android application developed by trainchinese that aims to teach users how to use Chinese numbers and tell time in a fun and interactive way. The app features a quiz, a Chinese talking clock, and an interactive study guide with numerous examples to help users learn the language quickly.

The app has hundreds of audio recordings of a native Chinese speaker that produce natural-sounding numbers. Each screen displays Chinese characters, Pinyin romanization, or Zhuyin Fuhao symbols to teach users pronunciation and association with the correct numbers. Users can turn the hands on the clock to see the time in Chinese and tap to alternate between different ways of saying it. The quiz tests listening, Chinese reading, and translation abilities.

Whether for study or travel, Chinese Number Trainer Free is an indispensable tool for anyone looking to learn Chinese numbers. The app is free to download and provides a great way to learn a new language while having fun.