Welcome to Keynote Star Apps

Everyone can play music

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Guitar Elite
Simple Music
Baby Chords
Master Chords
Kids Guitar
Piano Gliss

Guitar Elite

Play premium guitars

Guitar Elite is an exceptionally crisp, lifelike collection of astonishing virtual guitars designed to fit both the beginner and the experienced guitarist. You can choose to play chord buttons or, like no other app, form chords on your device extremely forgivingly.

Simple Music

Next generation keyboard

The highest quality sounds... the best notes placement yet... anyone can play music... Simple Music is a new arrangement of notes to visually and easily provide for playing music, with so much musical sense, it might as well become the future keyboard.

Baby Chords

Lullabies and Nursery Rhymes

Let your child have fun with musical notes!!! Play along songs together with him!!! Baby Chords arranges notes so that music is very easy to play. Sliding a finger across the keys always results harmonious.

Master Chords

10000+ guitar chords reference

One of the largest chord references available on and outside the App Store. Chords are auto-generated with notes and finger position indicators as you move along the fret.

Kids Guitar

Ever-harmonious guitar strum

Play the beautiful instrument sound of the classical nylon guitar, acoustic, blues jazz, and rock electric guitars with colourful kids-like musical instrument interfaces.

Piano Gliss

Easy mobile piano play

You won't miss a key! Piano Gliss lets you effortlessly play on virtual pianos hundreds of chords and scales disabling unused notes. Select from the most basic to the most challenging exotic chords and scales.

“A great application for guitar lovers. There is no other definition, Perfect! (Um aplicativo ótimo, pra quem gosta , não existe outra definição , Perfeito)”

Perfect (Perfeito)

Fabinho199 from Brazil

“This is a genius approach. It simplifies the chord concept and makes learning and memorising very easy.”


Najjar111 from United States

“My son has lots of fun. I am not a musician, but my son has been playing music since he was 1 year old with this app. (Mio figlio si diverte molto, io non sono una musicista, ma da quando ha un anno circa gioca con questa app, consigliata.)”

Fantastic (Fantastica)

Ludale83 from Italy


Keynote Star was born in a rural area in the north coast of Puerto Rico. The frustation of not been able to play piano as a guitar player led to thinking and rethinking of new ways to arranging musical notes. Simple Music came along as a solution that made so much sense, it couldn't be left alone as just a thought, and the iPad became the natural mean to test this new idea. Simple Music quickly received very positive feedback and the passion for developing music apps grew exponentially. In 2012, Keynote Star became incorporated and in 2013, its founder became fully dedicated to developing its apps. It is a very tough road, and the complications of developing apps beyond inexplicable, but greater is the joy of achieving on each product the level of quality and innovation that makes Keynote Star unique.

meet our team


Albertino Padin

Software Developer

Computer Engineer. Objective-C and Swift expert.

Juan C Velez

Founder & CEO UI/UX Designer

M. Sc. Mechanical Engineer with passion for music and programming.

Ruben De Leon

Lead Musician

Seasonal piano, guitar and bass player.

Keynote Star

Hatillo, PR, 00659, USA