ScaleJammer vs Jazzr
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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
Jazzr
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Jazzr is a practice tool built for guitarists serious about jazz. Chord Voicings Generate drop 2, drop 3, triads, shell voicings, guide tones, and quartal shapes across all string sets and inversions. Harmonize any key across all 7 diatonic degrees with a voice leading optimizer that minimizes hand movement between chords. Build custom progressions with the palette editor. Scales 25+ scale types across CAGED, 3NPS, and 3:2 systems. Covers major modes, melodic minor, harmonic minor, pentatonics, blues, and symmetric scales. View a single position or all positions at once. Label by notes, intervals, or fingering. Arpeggios Triad, seventh, and extension arpeggios in position and diagonal 2NPS layouts. Harmonized arpeggios across all 7 diatonic degrees. Practice Tools - Chord Analyzer: detect any chord shape on a 20-fret fretboard in real time. - Harmony Analysis: identify chord functions with Real Book notation and cadence analysis. - Harmony Lab: drill ii-V-I cadences and voice leading. - Guide Tones: ear training focused on thirds and sevenths through progressions. - Reharmonization: explore and drill substitution techniques. - Circle of Fifths: interactive wheel with mnemonics and quizzes. - Rhythm Trainer: subdivisions, tap accuracy, and rhythm games. - Chromatic Tuner: pitch detection. - Conducting: beat pattern practice. - Standards: jazz standard analysis and practice. - Practice Routines: build and follow structured sessions with a built-in player and HUD. - Custom Drills: build your own exercises. - Progress: streaks, stats, and session history. Theory A full content library covering foundations, advanced harmony, scale-chord relationships, style and form, and jazz standards analysis. Progress tracking and streaks built in. Interactive chord and scale examples throughout. Audio Real guitar sample playback with strum patterns, reverb, and tone controls. A precise metronome with subdivisions, polyrhythm, beat patterns, and tap tempo. Export Generate PDF chord guides, scale charts, and arpeggio sheets ready to print or share. Built by a guitarist, for guitarists. _ Terms of Use: https://jazzr.app/terms Privacy Policy: https://jazzr.app/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: ScaleJammer at 18.6 against Jazzr's 26.2. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. ScaleJammer sells 1 one-off in-app purchase and Jazzr sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ScaleJammer | Jazzr |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 โ better | 26.2 |
| Further details โ not scored | ||
| Size | 8 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Orcun Keskin | Humam Abo Alraja |
In-app purchases
ScaleJammer
- ScaleJammer Pro$4.99
Jazzr
- Jazzr Pro Monthly$3.991 Month
- Jazzr Pro Annual$17.991 Year
- Jazzr Pro Lifetime$24.99









