Piano Companion is a music theory reference app for songwriters, producers, teachers, and students. Look up any of 1,500+ chords or 10,000+ scales instantly, build progressions, and explore harmony on iOS, Android, and Mac.


Whether you're stuck on a progression, blanking on a scale name, or just exploring — Piano Companion gives you the answer in seconds. Press the keys you know, and it tells you what you're playing.
Search by name or tap the keys you know. Piano Companion identifies what you're playing — even from a MIDI keyboard.
The Chord Progression Builder suggests chords that fit your key. Experiment with patterns, listen back, and find what sounds right.
See notes on the grand staff, fingering for both hands, intervals, degrees, and compatible scales — all in context, not abstract textbook diagrams.
With the rise of streaming services like Netflix, Amazon Prime Video, Disney+ Hotstar, and more, accessing a wide array of movies and original content has become incredibly convenient. These platforms often acquire the rights to stream new releases, including movies like "Avatar 2."
Often, these websites provide low-quality CAM prints (recorded in theatres) or unauthorized cam-rip versions that ruin the cinematic experience. Alternatives: Watching Movies Legally
Compare the between pirated copies and legal streaming. Share public link Tamilrockers 2023 Tamil Movies Download Avatar 2
Furthermore, digital piracy heavily impacts the entertainment industry. It deprives thousands of creators, technicians, and localized dubbing artists of their hard-earned revenue. Secure and Authorized Ways to Watch Avatar 2
In the case of movies, piracy can lead to a substantial drop in box office collections. A study by the Motion Picture Association of America (MPAA) found that for every pirated copy of a movie, there's a potential loss of $1.30 in revenue. This may seem like a small amount, but when you consider the millions of pirated copies being downloaded, the losses add up quickly. With the rise of streaming services like Netflix,
However, it's crucial to address the elephant in the room: the role of platforms like Tamilrockers in movie distribution.
IMAX and 3D theatrical screenings featured premium pricing, driving budget-conscious viewers to look for free alternatives online. A study by the Motion Picture Association of
Several socioeconomic and structural factors drive users toward illegal download networks instead of legitimate viewing platforms:
Initial pirated versions are often "cam-coded" (recorded in theaters), which fails to capture the visual spectacle that earned the film the 2023 Academy Award for Visual Effects .
Viewers can rent or buy the movie on-demand through secure marketplaces such as YouTube Movies, Google Play Movies, and Apple TV.
Piano Companion is a music theory reference app that gives musicians instant access to 1,500+ chords with inversions, 10,000+ scales, a chord progression builder, reverse chord lookup, and an interactive circle of fifths. It is available on iOS, Android, and macOS, and supports 40+ languages. Whether you are a beginner learning your first chords or a professional songwriter sketching ideas, Piano Companion provides the answers you need in seconds.
Tap the piano keys you know on screen or connect a MIDI keyboard, and Piano Companion identifies every matching chord and scale in real time. This is especially useful when you hear a chord in a song but don't know its name — just play the notes and the app tells you what they form.
Piano Companion is free to download on iOS, Android, and macOS. The free version includes core chord and scale lookups. A Pro upgrade unlocks additional features including all chord inversions, the full scale library, the chord progression builder, and the circle of fifths tool.
Yes. Connect any MIDI keyboard to your device and Piano Companion will detect the notes you play, identifying chords and scales in real time. This works on iOS (via Camera Connection Kit or Bluetooth MIDI), Android (via USB OTG), and macOS (via USB or Bluetooth).
Piano Companion is available on iPhone, iPad, Android phones and tablets, and macOS. Your chord libraries sync across devices, so you can start on your phone and continue on your Mac.