keyOfMusic vs ScaleJammer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 !!
ScaleJammer
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Turn your iPhone or iPad into a responsive virtual guitar fretboard with ScaleJammer. Play notes with expressive synthesized tone, slide naturally across the neck, and explore scales and modes in a fluid, intuitive way. With Snap mode, your movement locks to the correct notes of the selected scale, so you can move freely across the fretboard and stay in key every time. ScaleJammer also includes a multi-layer looper, making it easy to build riffs, layer melodies, and jam over your own ideas. Whether you're warming up, practicing scales, studying theory, or sketching out a melody on the go, ScaleJammer puts the guitar neck at your fingertips. PLAY YOUR WAY - Play notes across a virtual guitar fretboard tuned to your chosen scale - Snap mode keeps your finger locked to scale tones, so every slide stays in key - Slide mode delivers smooth, continuous pitch movement - Pluck mode adds a more realistic pick-style attack and decay EXPLORE MUSIC THEORY - 13 scale types, including Major, Minor, Blues, Harmonic Minor, Dorian, Mixolydian, and more - Mode Explorer reveals all 7 diatonic modes that share the same notes - Color-coded intervals help you understand theory visually as you play - Instantly switch between all 12 root notes LOOP & JAM - Record ideas with the built-in looper - Overdub multiple layers to build riffs, textures, and melodic ideas - Solo over your own loops in real time - Export recordings as WAV files and share them easily MAKE IT YOURS - 6 tunings: Standard, Drop D, Open G, Open D, DADGAD, and Half Step Down - 4 tone presets: Warm Lead, Bright Lead, Bell, and Soft Pad - Adjust reverb, volume, and drone to shape your sound - Choose between 12 and 24 frets with zoom and scroll controls - Left-handed mode - Haptic feedback
Screenshots
Verdict
The clearest difference is price: ScaleJammer at Free against keyOfMusic's $0.99. keyOfMusic's advantage is in-app purchases (none vs 1) and iOS requirement (15.2 vs 18.6). On ads and device support 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
ScaleJammer is free to download; keyOfMusic costs $0.99 up front. ScaleJammer sells 1 one-off in-app purchase. keyOfMusic asks for nothing beyond the download.
| Parameter | keyOfMusic | ScaleJammer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 37 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Jack McCormack | Orcun Keskin |
In-app purchases
keyOfMusic
No in-app purchases
ScaleJammer
- ScaleJammer Pro$4.99
Questions
Is keyOfMusic free?
Is ScaleJammer free?
Do keyOfMusic or ScaleJammer have ads?
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