PChord (Piano Chord Finder)

PChord is a chord book for piano.
This app displays piano chords.

In-App Purchase(unlock all):
■ Disables ads
■ Browse all chords available
■ Store 20 memos per page, up to a total of 10 pages
■ Add titles to each memo page
■ Send the chord name displayed at the top of a memo by e-mail
■ Provisional feature -- gain access to an import function (attach chord name from e-mail, etc.)

Attention:
Confirmation of the sound is important before buying.
http://www.asoft.ne.jp/2014/ios/pchord/trouble/index.html

Note:
This app does not show every way of holding the strings. It shows the most simple 3-6 approaches for each chord. Note that you cannot search for other chord variations within the app.