A piano idea often shows up with both hands at once: a chord under a melody, a bassline against a riff. The good news is that you can write real piano sheet music on your phone, for free, then play it back and share it in minutes. Below you will find what to look for in a notation app, then a simple walk-through of writing your first piano score in Flat, from the grand staff to playback and sharing.
What to look for in a phone notation app
Writing piano music on a small screen only works if the app is built for it. Before you start, look for a few things:
- A grand staff, so the right hand and left hand each get their own staff, the way piano music is written.
- Notes you add by tapping the staff or a touch keyboard, with no mouse and no manual needed.
- Chords and chord symbols, since most piano writing stacks notes and marks the harmony.
- Instant playback, so you can hear both hands together even away from a piano.
- PDF import, which really matters: open a PDF or snap a photo of piano sheet music you already have and turn it into an editable score, instead of typing it in again.
- Cloud sync, so the same score opens on your phone, tablet, and computer.
Flat covers all of these. The app is free to start, runs natively on both iPhone and Android as well as in any browser, and ties them together with a true cross-device experience: your score lives in your account, so you can capture an idea on the train and keep shaping it at home on a tablet or laptop. It can also turn a PDF or photo of existing piano sheet music, grand staff included, into an editable score, so you are not retyping a part by hand.
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Write your first piano score in six steps
- Get the app or open Flat. Install the free app from the App Store or Google Play, or open flat.io in your phone's browser and sign in.
- Create a new score and add Piano. Tap New score, give it a title, and add Piano as your instrument. Flat sets up a grand staff, with a treble staff for the right hand and a bass staff for the left.
- Set the key and time signature. Pick the key and time signature for your piece before you start, so accidentals and barlines fall where you expect.
- Tap notes onto the staff. Pick a note value, then tap the treble or bass staff where the note goes. Stack notes to build chords, and add rests, sharps and flats from the toolbar.
- Play it back and fix what you hear. Press play to hear both hands together, then adjust anything that sounds off. Playback is the fastest way to catch a wrong note on a small screen.
- Save, share and export. Your score saves to your account automatically. Share a private link, or export to PDF, MIDI or MusicXML when it is ready.
Tips for writing piano on a small screen
A few habits make phone piano writing easier. Zoom in before placing notes so you tap the right line or space, and rotate to landscape to see more of both staves at once. Work one hand at a time if that is clearer, then play both back together to check they line up. And because your score syncs automatically, you can switch to a tablet or computer for a longer editing session and pick up exactly where you left off.
Prefer to work on a computer? Our guide to the best notation software for composers covers the desktop options.
Find inspiration in the Flat community
Flat has a community of more than 5 million musicians, and you can browse their public scores at flat.io/popular. Open a piano piece you like, clone it to your account, and pull it apart on your phone to see how it was written.
Ready to write your first piano piece on your phone? Try Flat for free!
FAQ
Can I write piano sheet music on my phone for free?
Yes. Flat's mobile app for iPhone and Android is free to download, and the free plan lets you create a piano score on the grand staff, hear it play back, and share it. A paid Flat Power plan is optional for more instruments and unlimited scores.
How do I write for both hands on a phone?
When you add Piano in Flat, it sets up a grand staff with a treble staff for the right hand and a bass staff for the left. You tap notes onto either staff, and switch between them as you write.
Can I add chords to a piano score on my phone?
Yes. In Flat you can stack notes into chords on the staff, and you can also add chord symbols above the music. Playback lets you hear the harmony as you build it.
Can I start a piano score on my phone and finish it on a computer?
Yes. Flat saves your score to your account and syncs it across devices, so you can start on your phone and keep editing in a browser, on a tablet, or in the desktop app.
Can I turn a photo or PDF of piano sheet music into an editable score?
Yes. In the Flat mobile app you can photograph a printed page or open a PDF, including piano grand staves, and import it as an editable score to keep working on.