Comparison

NoteFlash vs OtoMaster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NoteFlash

Features
Read full description

Read music at a glance—not one note at a time. NoteFlash turns note reading into a fast, daily flashcard workout. See a note on the staff, tap the answer, and repeat until every note is instant. No more counting lines from the bottom. ■ WHO IT'S FOR - Beginner pianists who freeze when the sheet music comes out - Parents teaching kids their first notes - Choir, band, and orchestra players who want to stop guessing - Returning players whose note reading got rusty - Anyone starting solfege or music theory and needing solid fundamentals ■ WHY YOU STILL COUNT LINES Slow reading isn't a talent problem—it's a method problem. If you decode notes one by one, you'll never keep up with the music. Fluent readers recognize notes the way you recognize words: instantly, on sight. NoteFlash builds that reflex with rapid-fire flashcards. ■ SEE IT. TAP IT. NEXT. One note appears on the staff. Tap the answer and the next card is already waiting. Each question takes seconds, so a meaningful session fits into a bus ride or the five minutes before practice. ■ ANSWER YOUR WAY ▸ Solfege buttons (Do–Re–Mi) — friendly for absolute beginners ▸ Piano keys — connect each note to its place on the keyboard ▸ Full keyboard — rotate your phone for a 3-octave piano layout, closest to real playing (Premium) ■ YOUR WEAK NOTES SHOW UP MORE NoteFlash tracks your accuracy on every single note and weights the deck so your problem notes appear more often. No wasted reps on notes you already know—and you can check your per-note stats anytime. ■ RHYTHM AND CHORDS, TOO ▸ Rhythm mode: identify note values—quarter notes, eighth notes, and more (Premium) ▸ Chord mode: read triads as a single shape (Premium) Pitch, duration, and harmony—all trained with the same fast flashcard flow. ■ MAKE IT A GAME ▸ Time Attack: how many notes can you name in 60 seconds? ▸ Endless: keep going until you miss Beat yesterday's score, and daily practice takes care of itself. ■ TREBLE AND BASS CLEF Treble clef training is free. Go further with bass clef, sharps and flats, and the upper register as you level up (Premium). ■ HEAR EVERY CORRECT ANSWER Correct answers play a real piano sound, linking the note you see to the pitch you hear—a head start for ear training as well. ■ ONE-TIME PURCHASE. NO SUBSCRIPTION. Premium unlocks bass clef, sharps & flats, the upper register, chord mode, rhythm mode, and the full 3-octave keyboard—forever, with a single purchase. Start free with treble clef today. --- Fluent reading is the skill that makes every other part of music easier. Download NoteFlash and start reading at a glance.

About

OtoMaster

Features
Read full description

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

NoteFlash4 screens
OtoMaster4 screens

Verdict

The call

The clearest difference is ads: NoteFlash at none against OtoMaster's shown. OtoMaster's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NoteFlash 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.

Scorecard3 real differences · 3 level
NoteFlash versus OtoMaster: the parameters behind the verdict, then further details
ParameterNoteFlashOtoMaster
PriceFreeFree
Update frequencyEvery 4 days—
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size5 MB38 MB
Age rating4+4+
DeveloperTETSUYA SAKAIHakutakuTech

In-app purchases

1 purchases

NoteFlash

One-time1
  • NoteFlash Premium$2.99
1 purchases

OtoMaster

One-time1
  • Premium$2.99

Questions

Is NoteFlash free?
NoteFlash is free to download, with in-app purchases available.
Is OtoMaster free?
OtoMaster is free to download, with in-app purchases available.
Do NoteFlash or OtoMaster have ads?
OtoMaster shows ads; NoteFlash does not.

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