Giying vs keyOfMusic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Giying
Experience the authentic sounds of a Balinese Gamelan Gong Kebyar on your iPhone or iPad. This app replicates the Ugal instrument, offering a realistic playing experience with high-quality audio and detailed visuals. Explore cipher notations and enjoy uninterrupted music creation.
- Authentic sound bank
- Realistic playing experience
- Low-latency audio playback
- Zoomable instrument views
- Customizable cipher notations
- Ad-free experience
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World's first iPhone/iPad implementation of the main instruments of a Balinese Gamelan Gong Kebyar! The Giying, also called Ugal, is a 10-key instrument of the gangsa metallophones in the Balinese Gamelan Gong Kebyar. It is usually used for playing an elaborated version of the main melody. ** Note that the instrument produces very low-pitched sounds and require a high-quality sound system for best sound reproduction. The use of a high-quality headphone or external amplifier with good bass response is recommended. ** * Authentic sound bank sampled directly from real instruments * User interaction designed to replicate true playing experience * Playing sound can be stopped --- essential for Gamelan! * High-quality photos showcasing real instruments * Optimized for ultra-low latency audio playback * Zoomable views for detailed instrument exploration * Customizable display of cipher notations to suit your preferences * Completely ad-free for uninterrupted enjoyment
keyOfMusic
This app provides a virtual piano keyboard to generate musical notes and display corresponding notation. It helps users practice perfect pitch, sight-reading, and understand key signatures, scales, and octaves. It also includes a feature to import and display sheet music images.
- Virtual piano keyboard with note generation
- Display musical notation for played notes
- Select key signatures, scales, and octaves
- Toggle between flats and sharps
- Import, save, and display sheet music images
- Adjustable sheet music image size
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- keyOfMusic is your BEST Solution for Perfect Pitch & Music Sight Reading on the Go! - Use the included Piano Keys to Generate Musical Notes of a Grand Piano in the Range of C2 to C7 right from the comfort of your iOS Device!! * Last minute Performance Prep & Tuning Pitch Check is a SNAP! - Now with 5 Octaves of Piano Style Kung Fu Fighting Power -> Thunderous Sound Effects Win the Day!! *Now You've Got a Baby Grand Piano in your Pocket AND You're Happy to See Everybody!! - Select Virtually Any KEY & Touch a Piano Key -> Instantly Generate Key Specific Music Notation & Octave Information! - Acapella Groups Can't Miss with keyOfMusic - the Church Choir can Finally let the Pianist Rest on her Sick Day -> keyOfMusic will Guide you to the RIGHT NOTE! - Show Up to Band Practice, Orchestra Rehearsal, Musical Theatre & Choir Practice Prepared to Wage Music!! - Remember, it isn't Cheating if you Perform the Song in Tune! - Swing for the Fences....Music Education & International Acclaim begin with keyOfMusic! - Get your copy of keyOfMusic TODAY.....and you'll eventually Learn to Read Music Tomorrow - It isn't your fault that they didn't put enough Lines on the Staff to Accommodate ALL of the NOTES of a Piano * Let keyOfMusic make Quick Work of this Ancient Notational Dilemma with the Sound of Swift & Decisive Victory!! - Features: *You don't need to Read Music to Use keyOfMusic to Decode Difficult Pieces of Sheet Music. *Easily Play Scales like a Pro....and Even Access the Entire Keyboard. It's a Snap! *As you Play Piano Key Notes, a Musical Notation Staff will Appear on the Left Side Indicating the Last Note that was Played (Red Dot & Purple Key) (Easily Return to the Key Signature Selection Area by Simply Tapping the Left Side of the Screen) *Toggle between C4 / C7 / C2 Octaves (Piano Keys) with the "Piano Keyboard" Button *Toggle between Flats & Sharps with "Flats" / "Sharps" Button *Toggle between Major & Minor Keys with "Musical Notes" Button *Toggle between Major & Minor Scales with the "Major Scales" / "Minor Scales" Button.....just tap it. *Quickly change Key Signatures by Tapping on any Grey "Key Signature" Box......Everything Instantly Loads, Ready for Immediate Use *Hide or Reload the Musical Notation Staff with the "Treble Clef" Button for a Better View of the Piano Keyboard & keyOfMusic will Play you a Song! -Added NEW FEATURE -> SHEET MUSIC Photo Library!~ ** IMPORT / SAVE / EXPORT / DISPLAY & Sight Read SHEET MUSIC Images Inside keyOfMusic -> [Tap "SHEET MUSIC" Button] ~(Located at Bottom of Screen) >>> ...Sheet Music LIBRARY Loads >>> [TAPPING on Image ADJUSTs SIZE] ++ to ADD Images -> Select [IMPORT Music Pic] or [LAUNCH CAMERA] ++ to LOAD Images to PIANO Keyboard -> [Top of GREEN Music Library Scrolling MENU] >>> [Select "DISPLAY Sheet Music" Button] >>> Scrollable & Zoomable IMAGE Appears Above Keyboard **the FULL SCREEN Image Feature Transforms the Sheet Music Library into Your BEST Songbook! ***TAPPING on the Full Screen IMAGE Allows USERS to ADJUST the Image SIZE -> ZOOM+ & Scroll as DESIRED!~ To Access "FULL SCREEN IMAGE" -> [Tap "SHEET MUSIC" Button] ~(Located at Bottom of Main Screen) >>> ...Sheet Music LIBRARY Loads **Press PIANO Emoji Button to Show ALL the PIANO KEYS ***When Changing MUSICAL Keys -> Pressing PIANO Emoji Button will Bring any Currently Open SHEET MUSIC PIC back into View - keyOfMusic is Black Belt Level Kung Fu Music Education for your Mobile Device *Now You'll be Ready to Vanquish Any First Chair Bullies who Dare to Challenge your Musical Mastery!~ >>> Enter the Dojo fortified w/ keyOfMusic !!
Screenshots
Verdict
The clearest difference is rating: keyOfMusic at 5.0 against Giying's 1.0. keyOfMusic also leads on update cadence (monthly vs every 26 months) and price ($0.99 vs $5.99). On ratings volume, ads, in-app purchases and monetization model 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
Giying costs $5.99 and keyOfMusic $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
keyOfMusic holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Giying ships an update every 26 months, keyOfMusic monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Giying | keyOfMusic |
|---|---|---|
| Price | $5.99 | $0.99 — better |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 26 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.2 — better |
| Further details — not scored | ||
| Size | 60 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | emacsian Company Limited | Jack McCormack |
Customer experience
Giying
keyOfMusic
In-app purchases
Giying
No in-app purchases
keyOfMusic
No in-app purchases









