Harmonium Plus HD is a professional-grade harmonium app that is available on the App Store for free. It is designed to provide a realistic experience of playing a real harmonium. The app offers studio-quality realistic harmonium sounds that are sure to blow your mind away.

The app features true multi-touch with multiple key widths and a touch scroll bar, which makes it easy to play regular and coupler harmonium sounds along with other bonus sounds. The app also allows you to change key sizes and quickly pan to different octets. You can even set the responsiveness (sustain) to change how long a key plays. With six octets for both regular and coupler harmoniums, you can enjoy playing your favorite Bollywood songs or practice your Raagas in a realistic and intuitive way.

Harmonium Plus HD also offers pro features that can be unlocked via an in-app purchase. These features include the ability to record and playback, transpose keys to suit your harmonium layout, and many more. The app has been ranked in the top free iPad music apps category in many app stores around the world.

If you have any questions, suggestions or bugs to report, you can email the developer at Download Harmonium Plus HD now and enjoy playing your favorite harmonium tunes on your iPhone!