JamJar keeps your whole song collection in one place: sheet music, chord charts and lyrics, organized, searchable and synced across iPhone, iPad and Mac through your own iCloud.
As a hobby musician, my music was scattered everywhere: PDF books, tunes from public-domain archives, photos of pages off my shelf and several music apps. Finding a song again was harder than playing it, so I built JamJar to be one shelf for all of it.
NEW: TURN A SCAN INTO SHEET MUSIC YOU CAN EDIT
• Convert to Sheet Music (ABC) reads a printed page, scan or PDF and writes it out as a new song you can edit, transpose and play back
• Bars it isn't sure of are flagged for you to check against the original, which stays untouched beside it
• Runs on your device, offline, after a one-time download of about 1.6 GB
• Works best on printed single-staff music such as lead sheets, fake books and tunebooks. Handwritten pages are unreliable, and lyrics aren't read
• Needs a device with plenty of memory. On others the command is hidden and the rest of JamJar works as usual
NEW: WRITE MUSIC ON THE SCORE
• Tap a note to change its length, accidental or pitch, or drag it up and down the staff
• Enter notes from an on-screen piano, or type them on a keyboard without writing any ABC
• Add chord symbols, ties, triplets and other tuplets, repeats and endings, D.C. and D.S. marks, articulations and dynamics
• Hear every note as you enter it
• Full bars close themselves, and bars that don't add up are flagged
• The score and its ABC source stay in step, so you can edit whichever is quicker
BRING YOUR OWN MUSIC
• Import single songs or whole books as PDFs and images
• Scan paper books with the camera on iPhone or iPad
• Split a scanned book into separate songs automatically, titled for you
• Search open tune archives, or describe the tune you're after in your own words
• Open files from the apps you already use: ChordPro, ABC, OnSong, OpenSong, iReal Pro and MusicXML
PRACTICE WITH A BACKING BAND
• Hear ABC, MusicXML and iReal Pro charts played with melody, chords, bass and drums, in a groove that suits the tune
• Fade each part on the mixer, or pull one out and play it yourself
• Loop a tricky passage, with a metronome and count-in
ON STAGE WITH PERFORMANCE MODE
• One chart, full screen, with the screen kept awake
• Turn to the next song with a swipe, the keyboard or a Bluetooth page-turn pedal
• Editing is locked, so nothing changes by accident mid-set
• Build set lists and share them with your bandmates
CREATE, EDIT AND ORGANIZE
• Write songs as lyrics and chords (ChordPro), sheet music (ABC) or chord charts
• Transpose to any key
• Draw and highlight on your sheet music
• Tag, search and filter your library
• Ask about a song in plain language, or ask for changes such as tidying the chords, powered by Apple Intelligence
• Automate with Siri and Shortcuts
• Private sync through your own iCloud: no account, no sign-up
JamJar speaks English and Swedish, with more languages on the way.
Whether you're rehearsing, teaching or on stage, JamJar keeps every song ready to play.
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