Everything the player and the editor can do

The full list of features of both programs. Each is described in detail in the documentation, and what is free and what is paid is in the plan comparison.

Player

Instruments

Button accordion, B griff: 106 buttons, 5 rows
Button accordion, C griff
Piano accordion: 41 keys
120 Stradella basses
Free bass with a mirrored layout

Display

Front view and the performer’s view
Highlighted presses and hints ahead of time
Finger number in the corner of the button, and finger colour
Duplicates on the auxiliary rows
Zoom: see the buttons close up, the picture stays sharp
Registers of both hands, left-hand mode

Note lanes and notation

Note lanes floating toward the instrument
Staff under the instrument
Dynamics, slurs, staccato, accents
Bellows, chord names, basses in brackets
Leland font, as in MuseScore

Practice

A–B loop on chosen bars
Tempo 25–200% in steps of 25%
Metronome with an accent
A bar of count-in before the start
Sound and display for each hand separately

Settings

Labels: notes, fingers, none
Octave numbering: school and scientific
Full screen with a 0–10 s delay
Ukrainian and English
Everything is remembered

Video

Recording your playing with sound
Full HD: 1920×1080 horizontal, 1080×1920 vertical
MP4 (H.264 + AAC) or WebM, 30 frames per second
A caption with the title and the site, and a link to our site at the bottom
Choosing where to save

Account and browser

The player works without an account; in the browser it is free after you sign in
The editor in the app, and in the browser with a subscription
Sign-in through the browser, devices are visible in your account
One trial period per account

Editor

Import

MuseScore 3–4: .mscz, .mscx
MusicXML: .musicxml, .xml, .mxl
MIDI: .mid
LilyPond: .ly
Choosing hands for each staff or track

Layout

Automatic choice of buttons and basses
Stradella, free bass, mixed left hand
Switching the mode by hand, bar by bar
Fingering with six preferences
Registers from the score

Editing

Piano roll and staff in sync
Adding, moving, changing duration
Buttons by clicking the instrument
Fingers with the keys 1–5
Undo and redo

Markings

Staccato, accent, slur, enharmonic spelling
Bellows: push and pull
Dynamics pp–ff, crescendo, diminuendo
Chord names: M, m, 7, dim, custom
Notes in brackets (a chord from another bass)

Ornaments and loudness

Trill, mordent, turn, tremolo, grace note
Performance variants, collapsing into one note
Loudness curve (MIDI dynamics)
Dynamic markings build the curve by themselves
Registers bar by bar for each hand

Export

Player file .accplay
Several instruments in one file
MusicXML 4.0 with accordion markings
PDF A4: title, subtitle, author, tempo, copyright
Project .accproj to keep working

Site

After you sign in, the whole player is available right on the site, in the browser, with nothing to install, and with an editor subscription the editor too.

Open the player Open the editor Piece library

Apps in the browser and the library

The whole player in the browser for signed-in users: your own .accplay files, demos, practice, video recording
The editor in the browser with a subscription: import, automatic fingering, export
The same look and features in the browser and in the apps (LilyPond only in the desktop app)
A closed library of pieces approved by editor users
Playing pieces in the web player on the site: buttons, fingers, registers, staff
Search by title, composer and arranger
Submitting your own pieces for review right from your account
Access: a library subscription, an editor subscription, or a year after buying the editor
Downloading .accplay files for the apps, mobile ones too, for library and editor subscribers

What of this is free?

The whole player, video recording included, is free. Only the editor is paid: by subscription or once, with a trial period.

Prices and comparison Download the player