Jin Zhang

Latest Release

• 

  Piano: Identify Chords

  Minimalist, Ad-free Piano App

  View

iPad & iPhone

• 

  Piano: Identify Chords

  Minimalist, Ad-free Piano App

  View
• 

  Probability Lab

  Distribution Calculator

  View
• 

  Chord Studio

  Become a master of songwriting

  View

Mac

• 

  Piano: Identify Chords

  Minimalist, Ad-free Piano App

  View
• 

  Probability Lab

  Distribution Calculator

  View
• 

  Chord Studio

  Become a master of songwriting

  View