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 On the Galaxy Nexus, low latency audio is finally possible. Grand Piano is one of the very few apps already supporting this! On other devices, Grand Piano provides lowest possible latency.

✓ High quality samples for all contained instruments.

✓ Support for external keyboards and expanders

On devices with Android >= 3.1 and 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 --------

✓ Support for low latency audio on Galaxy Nexus with Jelly Beans or later. Lowest possible latency on other 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
✓ Runs on android >= 2.3, 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

-- 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, width of piano key note, musical piano pro, midi player, piano play midi files, piano tablet, piano pro.

Recently changed in this version

+ Accepts more (non standard-compliant) usb interfaces from Roland
+ Bug fixes
+ Library updates

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

    by Edmund Brisenio on 21/01/2014

    I have a Note 1 and Note 8 and Alesis Q 49. It work both Notes. There is just a delay when playing keys on the Alesis Q49. I will just await if there are some updates to correct this issue.

  • (64 stars)

    by John Butler on 06/01/2014

    Is there any way to record via usb? Maybe create a midi file from an external keyboard?

  • (64 stars)

    by Jake s. mazzon on 23/12/2013

    Very good but constipated by google's pitiful low latency implementation in android.
    If I don't use my midi controller, it works fine; but if I connect it, the low latency problems become obvious. I keep getting disconnect as well, although it is not a p

  • (64 stars)

    by mihai das on 20/12/2013

    Fast, works for sure

  • (64 stars)

    by James Jackson on 29/10/2013

    Waste of money.

  • (64 stars)

    by Leon De Vose, II on 08/10/2013

    Great tool for composing and study! I am a grad student in the Jazz History & Research M.A. program at Rutgers University Newark campus. I use the app for coursework & composition. It gives me a keyboard anywhere I want to study or create. My original

  • (64 stars)

    by Sebastian Feldmann on 07/09/2013

    After looking for a MIDI capable Piano App I tried this one. Unfortunately the latency issues on Android are worse than I expected so I probably have to give up my dream of android based music production. Still a very good app and I am looking forward to