Daily Chengyu
One Chinese idiom a day, with pinyin, the meaning, a breakdown of each character and the story it comes from.
On the App Store it is listed as Daily Chengyu - Chinese Study.
Needs an iPhone with iOS 17.6 or later.
Support
How do I unlock Premium?
Tap the Premium option in the app. It is a one-time purchase made with your Apple ID.
How do I restore Premium after reinstalling?
Tap Restore Purchases on the Premium screen. Use the same Apple ID you bought it with.
Does the app work offline?
Yes. The idioms are built into the app, so it works without an internet connection.
I found a mistake in an idiom.
Email me the idiom and what looks wrong. The same goes for errors on dailychengyu.com.
Something else? Email tustison@protonmail.com with your iPhone model, iOS version and what happened.
Privacy
The app has no accounts. Favorites and settings stay on your iPhone, and Apple handles the Premium purchase.