Renzi1000 is a literacy app for primary-school children, covering 3,500 common Chinese characters. Each character comes with pinyin, meaning, stroke count, radical and everyday example words, and a spaced-repetition algorithm paces reviews so kids remember them for good.
Features
3,500 common characters
Kid-friendly meanings and example words, suited to ages 4–10.
Spaced repetition
7 mastery levels (1/3/7/15/30/60/120 days) schedule reviews automatically.
Custom grouping
Set how many characters each level holds, paced to your child.
Read-aloud
Built-in text-to-speech for standard pronunciation.
Challenges & tests
Multiple practice and test modes to check progress.
Progress & history
A clear record of learning progress and test results.
Who it's for
Primary-school children learning to read, and parents who want to guide them systematically and review at a scientific pace. A clean interface, optimized for iPad.
Requirements
iOS / iPadOS 18.5 or later; best on iPad.