ShedLab vs Jazzr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShedLab
This app helps musicians improve their jazz symbol recall and fluency. It uses adaptive scheduling to focus practice on areas needing the most improvement, enhancing speed and consistency.
- Practice jazz symbols
- Adaptive scheduling
- Target weak areas
- Improve speed and consistency
- Track progress
- Build vocabulary
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ShedLab is a practice app for musicians who want faster recall and better fluency with jazz symbols. Train chords, voicings, keys, and inversions with adaptive scheduling that focuses your time where it matters most. Instead of repeating everything equally, ShedLab responds to your actual performance and prioritizes the material that needs work. Use ShedLab to: - Practice jazz symbols with focused repetition - Target or discover weak areas across keys, qualities, and inversions - Improve speed and consistency over time - Track progress with detailed performance stats - Build a stronger working vocabulary at the instrument ShedLab is designed for serious, data-driven practice. Whether you are internalizing chord vocabulary, sharpening recognition, or improving response speed, the app helps you spend more time on the material that will move you forward.
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 price: Jazzr at Free against ShedLab's $12.99. ShedLab's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 26.2). 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
Jazzr is free to download; ShedLab costs $12.99 up front. Jazzr sells 3 in-app purchases, starting at $3.99 per month. ShedLab asks for nothing beyond the download.
| Parameter | ShedLab | Jazzr |
|---|---|---|
| Price | $12.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 16 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Stirling Carter | Humam Abo Alraja |
In-app purchases
ShedLab
No in-app purchases
Jazzr
- Jazzr Pro Monthly$3.991 Month
- Jazzr Pro Annual$17.991 Year
- Jazzr Pro Lifetime$24.99





