KeyMorph vs ShamiTune
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyMorph
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KeyMorph is the ultimate practice companion for anyone playing a transposing instrument. With a full‑sized, touch‑responsive piano keyboard and a simple dropdown menu, you can choose an available instrument and immediately see the adjusted note names rendered atop each key—no mental math required. KeyMorph helps you: Visualize transposition in real time, so you always know which piano key corresponds to your instrument’s written pitch. Switch instruments effortlessly—great for multi‑instrumentalists or band directors working with different sections. Build confidence by practicing scales, chords, and melodies in their concert‑pitch form while seeing exactly what to play on your instrument. Ideal for students, educators, and professionals alike, KeyMorph makes learning and performing transposed music intuitive, accurate, and fun. Instruments Supported: Piano Violin Oboe Alto Saxophone Soprano Saxophone Tenor Saxophone Baritone Saxophone Trumpet French Horn Clarinet More instruments to come!
ShamiTune
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ShamiTune is a practice app for the Tsugaru shamisen. Tuning, tuner, metronome and tempo detection, all in one place. TUNING Supports the three standard tunings: honchoshi, niagari and sansagari. Pick a key from 1 to 12 and the app plays accurate reference tones for the first, second and third strings. Cycle playback repeats the three strings at a fixed interval, so you can keep the bachi in your hand and tune by ear. TUNER Detects the pitch through the microphone and shows the note name and the deviation on an arc meter. The reference pitch is adjustable from A4 = 435 to 446 Hz, and note names can be shown with sharps or flats. METRONOME BPM 30 to 300, with 2/4, 3/4, 4/4, 5/4, 6/8, 7/8, 9/8 and 12/8 time signatures. Sixteenth-note subdivision, backbeat, and an accent on the first beat can all be toggled. Turn on Tempo Keep Practice and the sound and blinking stop for the number of bars you choose, training you to hold a steady tempo through the silence. TEMPO DETECTION Listens to your playing through the microphone and shows the tempo (BPM) you are actually playing at. ALSO - Clicks keep playing while the screen is locked or another app is open - Sound is produced even when the silent switch is on - Microphone audio is processed on your device only; nothing is recorded, stored or transmitted - No ads
Screenshots
Verdict
The clearest difference is device support: KeyMorph at 3 against ShamiTune's 1. On price, update cadence, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 8, 2026.
| Parameter | KeyMorph | ShamiTune |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 31 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Omni Devs | OBRA MAESTRA, LIMITED LIABILITY COMPANY |
In-app purchases
KeyMorph
No in-app purchases
ShamiTune
No in-app purchases









