Opus #1 Free - The Pipe Organ




    Opus #1 Free uses samples from a real church organ (coming from for a great realistic sound.

    You can download demo recordings and a trial version from
    We also offer other music apps, including a version of the full Stiehr Mockers organ (the "Ultimate" version) with Midi/USB. 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 ). Opus #1 provides lowest possible latency on your device.

    High quality samples for all contained stops

    -- Features --------

    Support for lowest latency possible on your android device.
    9 different organ ranks sampled from a real church organ (coming from Joseph Basquin /
    4 predefined combinations
    Various reverb settings (no reverb, small church, medium church, cathedral, ...)
    The ranks can be played together like on a real organ; up to 512 pipes simultaneously
    4 1/2 octave keyboard range just like the original organ
    Multitouch only limited by your device
    Scrollable on-screen keyboard
    Settings for the number of displayed keys, optional vibrate on touch, ...
    Runs on android >= 4.0.3, phones and tablets

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

    Needs ca. 9.5 MB for the organ samples
    Use headphones / external speakers for better sound; phones speakers are not made for organs
    For the best sound, the device should have at least a 1GHz single core processor

    ---- Free vs. Pro vs. Ultimate ------------

    Opus #1 Pro provides all the features of the Free version plus:

    Audio recording feature & sharing of recordings
    15 stops instead of 9
    Manual + pedal
    Registration view
    Midi via USB
    Midi player
    No ads

    Opus #1 Ultimate provides all the features of the Pro version plus:

    21 stops (the full organ) instead of 15
    2 manuals + pedal
    5 combinations

    -- Permissions --------

    android.permission.WRITE_EXTERNAL_STORAGE to extract the sound samples onto the sdcard
    android.permission.VIBRATE for vibrate on touch support
    android.permission.MODIFY_AUDIO_SETTINGS for better audio support (OpenSL)
    android.permission.INTERNET and android.permission.ACCESS_NETWORK_STATE to load ads

    Tags: free all file player , kirchenorgel , organ , opus #1 , free pipe organ , organ freeware , midi orgel opus , usb host and device simultaneously. , pipe organ games

    Users review

    from 1.289 reviews



    Users comments for Opus #1 Free - The Pipe Organ

    Gabriel de Freitas Coelho Carre

    by Gabriel de Freitas Coelho Carre

    Nov 04, 2017  |  "Awesome"

    Best audio quality piano app I ever tested

    tracey lee fredericks

    by tracey lee fredericks

    Nov 01, 2017  |  "Good"

    CAN YOU PLEASE ADD MORE STOPS!!!! An fix the volume setting,why does it have to distort the sound when its loud?? Other than that app is great,I'm learning a lot.

    Dark Night

    by Dark Night

    Oct 09, 2017  |  "Great"

    It's just like a real one I love it

    Conradson Shcierovich

    by Conradson Shcierovich

    Oct 01, 2017  |  "Great"

    Its ok but please i want a pedal like Pitea please sir do what i want its more nice quality of sound if you will add this one with a pedal

    Sengjrang Sangma

    by Sengjrang Sangma

    Sep 30, 2017  |  "Awesome"

    Good Organ sound

    adam ford

    by adam ford

    Sep 17, 2017  |  "Awesome"

    I think you're very handsome with my playing abilities I do love it.