The short answer
Musaica is a free online sheet music reader: upload a score, and with a free account you can play all of it, with no per-page scan quota. Soundslice's free tier is a trial of 2 scans a month, limited to 1 page and 32 bars each, but its paid plans include a notation editor, transposition and video sync that Musaica does not have. If you mostly want to hear and practise, try Musaica; if you need to correct, edit and teach, Soundslice is likely worth paying for. Prices at the time of writing (October 2026); check each vendor’s site before you buy, because plans and app-store prices change and vary by country.
Who Soundslice is good for
Soundslice is a web platform for learning and teaching from interactive notation. Its scanner is one part of it. After a scan you can fix mistakes in its notation editor (it shows the original image inline for comparison), transpose, solo parts, sync the notation with YouTube or your own recordings, and use practice features such as looping and speed training. It also detects guitar tablature. Teachers who build lessons and learners who want everything in one place get a lot from it.
Soundslice vs Musaica at a glance
| Soundslice scanner | Musaica | |
|---|---|---|
| Platform | Web, any device | Web, any device |
| Free tier | 2 trial scans a month, 1 page and 32 bars each | Upload and preview without an account; full score with a free account, no per-page scan quota (ad-supported) |
| Paid price (at time of writing) | Plus $5/month or $50/year (100 pages a month); Teacher $20/month (200 pages) | Musaica Basic $5.99/month |
| Input | PDF, JPG, PNG, HEIC, TIFF, WEBP, GIF, BMP | PDF, PNG, JPEG up to 50 MB |
| Editing | Full notation editor | None |
| Playback | Yes, with transposition and part solo | Yes: cursor, tempo, bar looping, metronome, 8 instrument sounds |
| Export | MusicXML, MIDI (check their site for which plans) | MusicXML and MP3 renders on the paid plan; no MIDI |
| Recognition engine | Soundslice's own | Audiveris (open source) |
Where Musaica differs
- Full-length playback on the free account. Upload a multi-page PDF, sign in with an emailed link, and play the whole score. There is no monthly page quota to plan around.
- Middle Eastern instrument sounds. Play the score on oud, kanun, ney, tanbur or duduk, as well as piano, guitar or violin. Useful for maqam repertoire and for hearing a melody in its own timbre. See oud and all instruments.
- Microphone intonation check. Musaica's intonation trainer listens while you play or sing, with a tuner gauge, a pitch trace against the written notes and an end-of-session report.
- Rhythm counter. The rhythm counter shows the count for each beat ("1 e & a") as words, bars or a circle, which helps when you are learning to read rhythms.
- Simple by design. There is less to learn: upload, play, slow down, loop. That suits people who only need to hear a piece.
Where Soundslice is better
- Correcting scans. Every scanner makes mistakes. Soundslice lets you fix them in place; Musaica does not include an editor.
- Transposition and part solo. Soundslice offers both after a scan.
- Sync with real recordings. Linking notation to a YouTube video or MP3 is a strong learning tool, and Musaica does not do it.
- Teaching. Soundslice has a dedicated Teacher plan and is designed around building and sharing lessons.
- More input formats. Soundslice accepts HEIC, TIFF, WEBP and more; Musaica takes PDF, PNG and JPEG.
- MIDI export. Soundslice exports MIDI as well as MusicXML. Musaica exports MusicXML (paid) and MP3 renders (paid), not MIDI.
Using both
The tools are not exclusive. A common pattern is to use Musaica to hear a long piece in full for free, and to use Soundslice for the pieces you want to edit, transpose or build a lesson around. Musaica Basic subscribers can export MusicXML, which Soundslice can import.
Which should you pick?
- You want to hear a long piece in full and do not plan to edit it. Musaica, because the free account plays every page.
- You need to fix wrong notes before you practise. Soundslice, because its editor lets you correct the scan against the original image.
- You teach guitar or another instrument with tablature. Soundslice detects tab and is built around lessons.
- You learn by playing along with a recording. Soundslice's audio and video sync is designed for that.
- You want to check your tuning or counting. Musaica's microphone intonation check and rhythm counter.
- You only scan a page or two a month. Soundslice's free trial may be enough; Musaica's free account has no page quota if that changes.
On cost, the paid plans are close: Soundslice Plus is $5 a month or $50 a year, and Musaica Basic is $5.99 a month at the time of writing. They buy different things, though. Soundslice Plus raises your scan allowance and unlocks its sharing and export features; Musaica Basic removes ads and adds Smart Playback, Band Mode, MusicXML export and HD audio renders.
How to try Musaica
- Open the sheet player and upload the same PDF or photo you scanned in Soundslice.
- Wait for recognition; most single pages take under a minute.
- Press play, then use the practice tools to slow down and loop.
- Sign in with a free account to unlock the full score.
For best results start from clean printed notation; see how to play sheet music from a PDF.
Product names mentioned on this page are trademarks of their respective owners. Musaica is not affiliated with, endorsed by or sponsored by any of them.
Frequently asked questions
Is there a free alternative to the Soundslice scanner?
Yes. Musaica scans PDFs and photos of sheet music and plays them in your browser. A free account unlocks the full score with no per-page scan quota; the free tier is ad-supported.
How many free scans does Soundslice allow?
At the time of writing, the free plan includes 2 trial scans a month, each limited to 1 page and 32 bars. Paid plans raise this to 100 or 200 pages a month.
Can I edit a scanned score in Musaica?
No. Musaica does not have a notation editor. Musaica Basic subscribers can export MusicXML and correct it in an editor such as MuseScore or Soundslice.
Do Soundslice and Musaica use the same recognition engine?
No. Musaica uses the open-source Audiveris engine; Soundslice uses its own. Results differ by score, so trying the same page in both is the best test.