iAutoharp - an iPhone Autoharp by HotPaw Productions


The iAutoharp is easy and fun to play; just tap a chord button and strum to hear that chord played as sweetly as if on the actual 37-string instrument. The six chord buttons are initially set to the most common chords so you can get started right away, accompanying your singing or playing along on most popular tunes. You can play in any key, and more advanced players can reconfigure chord buttons to get any of a wide choice of less common chords - more than 150 chords for each key.

The "strings" are on the left; swipe over them with your finger to play the chord (or try playing a melody by "pinching" different subsets of strings with your thumb and another finger). The chord buttons are on the right, with the currently selected one highlighted in red, and below them are buttons for changing the key and doing more advanced configuration. The top right chord button indicates the current key; that chord is the starting ("base") chord for the key. You can move ("modulate") to another key with the two arrow buttons (normally modulating up or down a fifth, such as from C up to G or down to F).

The button at the bottom of the main screen takes you to the Settings screen, where you can reconfigure the modulation interval and the three chord buttons in the column closest to the strings. The Settings screen also includes buttons you can use to get more information about the iAutoharp or to go to the HotPaw Web site to check out our other cool products.

The Modulate option on the Settings screen offers two choices: 5ths (the default interval when you click an arrow button on the main screen) and semitones (half steps, such as from C up to C# or down to B).

The next three options on the Settings screen let you change the three reconfigurable chord buttons. (The chord buttons on the right on the main screen are very common and cannot be reconfigured.) These options show the chord button number and the chord currently set for each button; tap the one you want to change, and you'll go to the chord reconfiguration screen.

The top of the reconfiguration screen shows the current chord followed by the notes that make up the chord. Below that are two independently scrollable lists from which you can select a different chord. In the list on the left is a notation indicating the relative position of the chord's root (starting note) in the current key, and the list on the right indicates the type of chord. Scroll either or both lists until the chord you want is under the selection bar.

For example, for the A minor chord in the key of C, set "VI/vi" on the left (because the chord's root is the sixth note of the C scale) and "minor" on the right. (The Roman numeral is shown in both capital and lowercase letters because, by convention, it's capitalized for major chords but not for other chord types.) To change to E minor, scroll to "III/iii" on the left; to get a B diminished chord, scroll to "VII/vii" on the left and "dim.Triad" on the right.

A "b" in the list on the left represents the musical flat symbol. Players familiar with music theory will notice that the choices in that list are a semitone apart, and will understand the abbreviated terms in the list on the right; others can learn more about the underlying theory from Wikipedia and other sources - or just set the chords and listen to how they sound on the autoharp. Some chords may sound odd, but if that's not what you want, you can always go back to the initial setting for a chord button by tapping Restore Default on the reconfiguration screen.


iAutoharp Application Build Version 1.0.0 (2009Feb01)
Copyright 2009 HotPaw Productions
DSP code Copyright 2009 Ronald H Nicholson, Jr.
Artwork by LizDesigns
Documentation by Caroline Rose  www.differnet.com/crose/