Grand Piano Pro - Midi/USB

Grand Piano Pro - Midi/USB

1,000 - 5,000 downloads

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View bigger - Grand Piano Pro - Midi/USB for Android screenshot
View bigger - Grand Piano Pro - Midi/USB for Android screenshot
View bigger - Grand Piano Pro - Midi/USB for Android screenshot
Grand Piano Pro is a 88 key keyboard with low latency support, support for Midi via USB and 7 high quality instruments:

✓ WST Grand (a grand piano based on Warren Trachtman's piano samples)
✓ Bright Grand
✓ Legend EPiano
✓ Rhodes EPiano
✓ Honky Tonk Piano
✓ Rock Organ
✓ Harpsichord

You can download demo recordings and a trial version from
We also offer other music apps. For details, see

If you have questions, remarks or suggestions, mail us at

-- Highlights ----------

✓ Low latency audio

Low latency audio is a weak spot of Android (see
Grand Piano provides lowest possible latency on your device.

✓ High quality samples for all contained instruments.

✓ Support for external keyboards and expanders

On devices with USB host support (e.g. Galaxy Nexus, Nexus 7, Acer A500, Asus TF101, ...) you can connect an external keyboard or midi expander. You can play Grand Piano from your external keyboard or play an external sound generator from Grand Piano.

✓ Midi file player included

The included midi player works with any standard midi file stored on your android device. You can output the midi events via Midi/USB (if your device supports it; see above)

-- Features --------

✓ Lowest possible latency depending on your devices.
✓ 7 instruments with high quality samples
✓ Midi In&Out via USB on devices that support USB-Host/OTG (e.g. Asus TF101, Acer A500, Galaxy Nexus, Nexus 7, ...) for Standard Midi/USB devices (i.e. devices that do not need a driver on Windows/Mac)
✓ Includes a midi file player
✓ 53 classical midi files included
✓ Up to 512 notes simultaneously
✓ 88 key scrollable keyboard
✓ Settings for the number of displayed keys, optional vibrate on touch, ...
✓ Multitouch only limited by your device
✓ Note Velocity
✓ Sustain, pitch bend etc. via midi
✓ Various reverb settings (no reverb, small church, medium church, cathedral, ...)
✓ Runs on android >= 4.0.3, phones and tablets
✓ No ads

-- Usage Tips / Hardware requirements --------

✓ Needs ca. 41 MB on your sdcard for the samples
✓ Use headphones / external speakers for better sound
✓ For the best sound, the device should have at least a 1GHz single core processor

---- Pro-Features ------------

Grand Piano Pro provides all the features of the Free version plus:

✓ 7 instruments instead of 2
✓ Midi via USB
✓ Midi player
✓ 53 classical midi files
✓ No ads

-- Permissions --------

android.permission.WRITE_EXTERNAL_STORAGE to extract the samples onto the sdcard
android.permission.VIBRATE for vibrate on touch support
android.permission.INTERNET to be able to download midi files if selected e.g. in a browser
android.permission.MODIFY_AUDIO_SETTINGS for better audio support (OpenSL) to enable mail apps to forward midi file attaments to this app to check the license

Tags: grand piano pro, piano pro 5, midi single, low latency audio nexus 7, piano midi player, musical piano pro, piano play midi files, grand piano klaviatur, width of piano key note, ネクサス7 midi.

Recently changed in this version

+ MIDI/USB now accepts all Roland and Yamaha devices with class "vendor-specific" too
+ Some bug fixes
+ Library updates

+ New sound engine
+ Added reverb settings (no reverb, small church, medium church, cathedral, ...)
+ Added further speed settings to the midi player
+ Library updates

Comments and ratings for Grand Piano Pro - Midi/USB
  • (48 stars)

    by Vasek Krivak on 03/06/2013

    I connected m-audio axiom 61 keyboard and It doesn't work..

  • (48 stars)

    by Stefan Nemenz on 19/01/2013

    Plugged it into my M-Audio Keystation Pro 88 with OTG cable on my Asus Eee pad and it worked perfectly

  • (48 stars)

    by Djoko Prajitno on 13/01/2013

    Operate well on Samsung Galaxy Tab2 with cheap Chinese USB MIDI interface.

  • (48 stars)

    by Steve Meiers on 07/01/2013

    I connected my old M-Audio KeyRig via USB OTG to my Nexus 7 and now I can play the excellent samples in this app in realtime with no noticeable latency. I can use the keyboard's transpose controls to shift up/down an octave at a time and use the onscreen keys for more range, too! Very cool! I could not get MIDI control to work on my Nexus 4 though,, which is probably the phone's fault and not the