Comparison

Giying vs keyOfMusic

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

Head to head
About

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.

Highlights
  • Authentic sound bank
  • Realistic playing experience
  • Low-latency audio playback
  • Zoomable instrument views
  • Customizable cipher notations
  • Ad-free experience
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

- 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

Giying4 screens
keyOfMusic4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Giying costs $5.99 and keyOfMusic $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Giying ships an update every 26 months, keyOfMusic monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
Giying versus keyOfMusic: the parameters behind the verdict, then further details
ParameterGiyingkeyOfMusic
Price$5.99$0.99 — better
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings11
Update frequencyEvery 26 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.2 — better
Further details — not scored
Size60 MB37 MB
Age rating4+4+
Developeremacsian Company LimitedJack McCormack

Customer experience

Giying

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

keyOfMusic

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Giying

No in-app purchases

None

keyOfMusic

No in-app purchases

Questions

Is Giying free?
Giying costs $5.99, with no in-app purchases.
Is keyOfMusic free?
keyOfMusic costs $0.99, with no in-app purchases.
Which has better reviews, Giying or keyOfMusic?
keyOfMusic is rated higher. Giying averages 1.0 out of 5 from 1 ratings, while keyOfMusic averages 5.0 from 1 ratings.
Do Giying or keyOfMusic have ads?
Neither Giying nor keyOfMusic shows ads.
Which is updated more often, Giying or keyOfMusic?
Giying ships an update every 26 months, and keyOfMusic monthly. Most recently, Giying was updated on November 1, 2026 and keyOfMusic on November 7, 2026.

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