Suiyomi vs OtoMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Suiyomi
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Suiyomi trains one thing, and trains it well: your ability to read sheet music. "Suiyomi" comes from the Japanese "suisui yomu" — to read smoothly, without stopping to count lines. Knowing a note the moment you see it is exactly what this app trains. ■ Real staff notation, not a simplified stand-in. The thing we care about most is that every question is drawn on a proper staff, exactly as it appears in real sheet music — note positions, ledger lines, key signatures, and the way chord noteheads line up. Nothing is replaced with icons or simplified shapes. That means the notes you learn to recognize here are the same notes you'll read on the page in front of you. It plays like a game; what you take away is genuine sight-reading ability. ■ The staff moves. Notes don't appear one at a time. They line up across the staff the way they do in real music. Answer the note in the middle and the whole staff scrolls left, bringing the next note to the center. When you read music, your eyes stay slightly ahead of the note you're playing. Reading a staff that keeps moving lets you practise with that same habit. WHO IT'S FOR • Beginners on piano or any other instrument • Anyone who counts up the lines note by note • Players who want to sit down and play from a score • Students filling the gaps between lessons • Children learning music MAIN FEATURES ■ Note reading training Read the note on the staff and answer on the piano keyboard. A session can be completed in as few as 10 questions, so it fits before a lesson or on the way to work. ■ Treble and bass clef Both clefs are supported. Choose a range that matches your level, from notes that stay inside the staff to the full range with ledger lines. ■ Chord training (2, 3 and 4 notes) From two-note intervals to seventh chords. Chords that actually appear in real music show up more often, so what you practice is what you'll meet on the page. You can also pick the range: no ledger lines, standard, or full. ■ Key signatures Practice in sharp and flat keys — preparation for playing real pieces. ■ Weak point mode Notes you keep missing come up more often, so you can clear your weak spots efficiently. BUILT TO KEEP YOU GOING ■ Streak and daily progress Your practice streak and today's question count are right on the home screen. ■ Combos Consecutive correct answers build a combo, adding a bit of speed and pressure. ■ Over 80 badges Mastered notes, streaks, speed, chords — collect badges across a wide range of goals. ■ Proficiency level per note Every single note carries a proficiency level from 0 to 5, so you can see at a glance which notes you still can't read. STATISTICS • Accuracy and response time • Practice history charts • Proficiency for each note ALSO • Works offline • All records stay on your device (no account needed) • Dark mode • Sound effects and music can be turned off • Available in English and Japanese A few minutes a day. Reading music gets easier every time.
OtoMaster
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OtoMaster takes its name from the Japanese word “oto” (音), meaning “sound.” OtoMaster is a music training app that helps you practice note reading and ear training using note cards and an on-screen keyboard. See a note on the staff and answer on the keyboard. Listen to a note and identify its name and pitch. With simple exercises you can practice anytime, OtoMaster helps you build the basics of reading music and improve your ability to recognize notes by ear. 【Note Reading with the Keyboard】 Look at a note card and select the matching note on the on-screen keyboard. ・Treble clef ・Bass clef ・Random exercises across treble and bass clefs ・Sharps and flats ・Selectable note range ・10–60 second time settings You can display note names on the white keys as Do Re Mi or C D E. Even if you are new to reading music, you can practice at your own pace. Your score is based on correct answers, accuracy, and response speed. Review your best score and recent play history, and challenge yourself again and again. 【Ear Training】 Listen to a single note and first select its note name on the keyboard. Then choose the note card that matches the correct pitch. “You know it’s a C—but which C is it?” Practice identifying both note names and their pitches through repeated exercises. Exercises can also include sharps and flats. 【Practice Your Way】 ・Choose the note range for note-reading exercises ・Enable or disable sharps and flats ・Choose the time limit ・Choose the number of ear-training questions ・Display Do Re Mi or C D E on the keyboard ・Available in Japanese and English ・Tutorials for both note reading and ear training Read the notes. Answer on the keyboard. Train your ear. Keep practicing and become an OtoMaster!
Screenshots
Verdict
The clearest difference is ads: Suiyomi at none against OtoMaster's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Suiyomi sells 1 one-off in-app purchase and OtoMaster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Suiyomi | OtoMaster |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Koki Tanisaka | HakutakuTech |
In-app purchases
Suiyomi
- Premium Pass$4.99
OtoMaster
- Premium$2.99









