GSi JUST PIANO is a sample-based acoustic piano player, built around the powerful WLF Engine that ensures low latency, low memory and high Direct-From-Disk streaming accuracy. In order to play this instrument, it is necessary to download one of the Piano sounds made available by GSi. When the App is run for the first time, an alert invites you to make your choice and start downloading the sample data. Downloads can be rather large, between 1 and 2 GB according to the chosen piano sound. Only one piano can be installed but can also be replaced at any time. In case new piano sounds are made available by GSi, these will be be added to the catalog.

Piano samples available as of May 2023:
- Grand CFX (~1,2 GB)
- Grand D-274 (~1,2 GB)
- Grand C5 (~1,1 GB)
- Grand C1 (~1 GB)
- Grand C1 Open (~1 GB)

PLEASE NOTE: These are not IAP, you only pay for the App then install the piano sound of your choice.

Main features:
- Powered by the exclusive GSi WLF Engine
- Polyphony: 128 stereo voices
- Authentic string sympathetic resonances
- Internal 32 bit processing with native 32 bit sampled material
- User defined Velocity Curves
- Built-in semi-parametric equalizer
- Built-in Stereo Reverb effect
- Built-in programmer with unlimited Programs
- Embedded user's' manual
- Very low CPU and RAM usage