CC Harp 4+

Ingenious harmonica app

Kazuo Kamata

    • $3.99



10-hole diatonic harmonica (sometimes called "blues harp") is a small but powerful instrument with great expressiveness.
CC Harp is a musical instrument application designed to take full advantage of the deep characteristics of harmonica, and is also pursued for rich usability in live.
Since it uses a synthetic sound source method, it can handle various sounds with a small footprint of memory.


- Interface is modeled after the harmonica holes.
- All 12 harmonica keys are available.
- Various harmonica tunings are built-in.
- Effective pitch bending is possible.
- You can muffle the sound just as you would with a harmonica.
- You can apply a tremolo effect with variable speed.
- Airy sound peculiar to wind instruments can be added.
- Slide operation like a chromatic harmonica is possible.

For ease of use:
- Make sound with up to two independent touches.
- Make adjacent sounds with a single touch.
- Easy chord play with two finger by smart chord feature.
- Various splitting performances with 2 fingers touch.
- Touch vibrato with adjustable sensitivity.
- Volume expression can be made by tilting the device.
- Note name and interval display that is convenient for playing.
- Concise banner shows the settings at a glance.
- Preset settings like a pocket with several different harmonica in it.

As a musical instrument app:
- Several built-in synthetic sounds including harmonica-like tones, flute, stringed, etc.
- Simple sound synthesizer where you can create new sound.
- Built-in pitch tuner.
- Lower the pitch by one octave is available.
- Reverb effect is available.
- You can Play-along with a song in your iPod library.
- The screen can be reversed for left-handed people.
- Change the screen color to your liking.
- Supports dark mode.
- A detailed user guide is built-in and ready to use.

For those who want to make more use:
- Sound data can be exported and imported via the device clipboard.
- You can design your own harmonica tuning and import it.

Any interworking functions such as Inter-App Audio, AUv3, and MIDI, and function for recording and playback the performance are currently not supported.

Detailed features and usage of CC Harp are explained in the User Guide on the web below.

If you have any questions or concerns, feel free to contact us at support@chord-city.comIf you have any questions or concerns, feel free to contact us at

What’s New

Version 1.5

- Revised the UI of the sound controller.
- Improved the efficiency of the sound generator.

App Privacy

The developer, Kazuo Kamata, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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