Mandarin learning app documentation
Interactive Pinyin Chart
A mobile-friendly Mandarin Pinyin chart with zoom, touch movement, tones one through four, and playable blend audio.

A touch-friendly Mandarin sound chart
The Pinyin Chart is designed for mobile learning. Students can zoom the chart with magnification controls, move around the chart with their fingers, and tap blend sounds to hear clean audio.
The chart focuses on real-world Mandarin blends instead of isolated initials or finals. Students can choose tones one through four for playable blends. Fifth tone and isolated initial or final audio are intentionally not included in this chart.
- Playable blend sounds
- Tone selection from one to four
- Finger drag navigation
- Zoom controls
- Easy-on-the-eyes mobile layout