JamEngine vs Score Master
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
JamEngine
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JamEngine is a real-time music generation app that puts a full backing band in your pocket. Choose from 15 musical styles, pick your key and tempo, and JamEngine instantly creates authentic, genre-appropriate arrangements, complete with MIDI drums, bass, guitar, piano, brass, and woodwind instruments. Whether you're a guitarist looking for a rhythm section to practice over, a songwriter sketching out chord progressions, a jazz player working on improvisation, or a producer hunting for inspiration, JamEngine gives you a responsive, endlessly variable musical companion. 15 STYLES TO CHOOSE FROM Rock ยท Hard Rock ยท Classic Rock ยท Metal ยท Pop ยท Ballad ยท Blues ยท Slow Blues ยท Jazz Swing ยท Jazz Ballad ยท Funk ยท Bossa Nova ยท Reggae ยท Country ยท Lo-fi Each style comes with genre-authentic drum patterns, bass lines, guitar voicings, keyboard parts, and horn arrangements. 12 INSTRUMENTS Build your arrangement from a roster of 12 instruments, each with realistic General MIDI sounds: โข Drums ยท Bass ยท Electric Guitar ยท Acoustic Guitar โข Piano ยท Organ ยท Strings โข Trumpet ยท Trombone ยท Alto Sax ยท Tenor Sax ยท Clarinet Mix and match any combination. Each instrument has independent volume, mute, solo, pan, density and 11 variation levels to control the complexity and character of its part. SMART CHORD PROGRESSIONS Build chord progressions using the grid editor or the interactive Circle of Fifths, a visual tool that highlights diatonic chords in your selected key, so you can see at a glance which chords belong together. Start from scratch, or load one of the built-in templates: I-IV-V, I-V-vi-IV, ii-V-I, 12-Bar Blues, Jazz Turnaround, and more. Choose from 18 chord types including major, minor, seventh, diminished, augmented, sus, and extended chords. FLEXIBLE TIME & KEY Play in any of 7 time signatures, 2/4, 3/4, 4/4, 5/4, 6/8, 7/8, and 12/8, with BPM from 40 to 300. Tap tempo to match a song. Select any of the 12 keys in major or minor. Change key mid-session and your chord progression transposes automatically to preserve harmonic relationships. VARIATION RANDOMIZER Enable the variation randomizer and JamEngine will shuffle instrument variations at musically appropriate boundaries, every 4 or 8 bars, keeping your practice sessions fresh and unpredictable without you lifting a finger. EXPORT YOUR SESSIONS Capture your jam as a WAV, M4A, or multitrack MIDI file. Use export to bring your arrangements into your DAW for further production. SONGBOOK Save your favorite sessions, style, key, tempo, chord progression, and instrument setup to your personal Songbook. Load them instantly to pick up where you left off. CUSTOM SOUNDFONTS Import your own SF2 SoundFont files to customize the sound of every instrument. FREE TO START, PRO TO UNLOCK EVERYTHING JamEngine is free with 4 styles (Rock, Metal, Jazz Swing, Lo-fi), 3 song saves, and all playback features. Upgrade to JamEngine Pro for a one-time purchase to unlock all 15 styles, unlimited song saves, and full export capabilities.
Score Master
This app is a professional PDF sheet music reader designed for musicians. It offers high-quality rendering, annotation tools, a built-in metronome, and seamless import options for sheet music. Manage your scores and setlists efficiently for practice and performance.
- High-quality PDF score viewer
- Import photos and ZIP files
- Annotation with Apple Pencil
- Built-in metronome
- Setlist management
- Bluetooth page turner support
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Score Master is a professional PDF sheet music reader built by musicians for real performance and practice workflows. 1. PDF Score Viewer - Clear, high-quality PDF rendering - Smooth navigation with pinch-to-zoom up to 5x - Two-page landscape view on iPad - Fade, slide, and scale page transitions 2. Photo Import - Import sheet music directly from your photo library - Automatically converts images to PDF - Combine multiple photos into one score or import them separately 3. ZIP Import - Import multiple PDFs from a single ZIP file - Automatically organize them and create a setlist 4. Pages Manager - Add, duplicate, remove, and drag to reorder pages - Multi-select pages with undo and redo support - Add templates or extract selected pages as a new score or PDF 5. Score Enhancement - Enhance photographed or scanned scores directly in Pages Manager - Preview paper cleanup, brightness, contrast, sharpness, black-and-white, and perspective adjustments in real time - Enhance one page or multiple pages, use automatic enhancement, or reset to the original 6. Half-Page Turn - Preview half of the next page for smoother page turns 7. Apple Pencil Annotation - Pen, highlighter, eraser, lasso, text, lines, shapes, and arrows - Adjustable tool widths displayed in points - Per-page auto-save with undo and redo 8. Metronome - Save tempo and time signature for each score - Supports 20โ300 BPM and customizable accent patterns - Change tempo during playback without restarting the beat 9. Chromatic Tuner - Real-time note, frequency, and cents detection - Adjustable A4 reference from 415โ466 Hz - Sharp and flat note-name options 10. Piano Roll - Scrollable 88-key piano keyboard - Tap or slide across keys to check pitches 11. Library & Setlists - Create setlists for performance or practice - Add songs, new scores, photos, and files directly to a setlist - Favorites and alphabetical navigation 12. Bluetooth Page Turners - Supports foot pedals and Bluetooth controllers - Works with arrow keys, Page Up/Down, spacebar, and volume buttons 13. Themes - Multiple color themes with White, Sepia, and Dark score backgrounds 14. Share Extension - Import scores directly from other apps through the share sheet Score Master๋ ๋ฎค์ง์ ์ด ์ค์ ์ฐ์ฃผ์ ์ฐ์ต ํ๊ฒฝ์ ๋ง์ถฐ ๋ง๋ ์ ๋ฌธ PDF ์ ๋ณด ๋ฆฌ๋์ ๋๋ค. 1. PDF ์ ๋ณด ๋ทฐ์ด - ์ ๋ช ํ ๊ณ ํ์ง PDF ๋ ๋๋ง - ์ต๋ 5๋ฐฐ ํ์น ์ค๊ณผ ๋ถ๋๋ฌ์ด ํ๋ฉด ์ด๋ - iPad ๊ฐ๋ก ๋ชจ๋ 2ํ์ด์ง ํผ์นจ ๋ณด๊ธฐ - ํ์ด๋, ์ฌ๋ผ์ด๋, ์ค์ผ์ผ ํ์ด์ง ์ ํ 2. ์ฌ์ง ๊ฐ์ ธ์ค๊ธฐ - ์ฌ์ง์ฒฉ์ ์ ๋ณด ์ด๋ฏธ์ง๋ฅผ ๋ฐ๋ก ๊ฐ์ ธ์ PDF๋ก ์๋ ๋ณํ - ์ฌ๋ฌ ์ฌ์ง์ ํ๋์ ์ ๋ณด๋ก ํฉ์น๊ฑฐ๋ ๊ฐ๋ณ ์ ๋ณด๋ก ๊ฐ์ ธ์ค๊ธฐ 3. ZIP ์ผ๊ด ๊ฐ์ ธ์ค๊ธฐ - ZIP ํ์ผ์ ์ฌ๋ฌ PDF๋ฅผ ํ ๋ฒ์ ๊ฐ์ ธ์ค๊ธฐ - ์ ๋ณด ์๋ ์ ๋ฆฌ ๋ฐ ์ ๋ฆฌ์คํธ ์์ฑ 4. ํ์ด์ง ๊ด๋ฆฌ - ํ์ด์ง ์ถ๊ฐ, ๋ณต์ , ์ ๊ฑฐ ๋ฐ ๋๋๊ทธ ์ ๋ ฌ - ๋ค์ค ์ ํ๊ณผ ์คํ ์ทจ์ยท๋ค์ ์คํ ์ง์ - ํ ํ๋ฆฟ ์ถ๊ฐ ๋ฐ ์ ํํ ํ์ด์ง๋ฅผ ์ ์ ๋ณด๋ PDF๋ก ์ถ์ถ 5. ์ ๋ณด ํ์ด์ง ๋ณด์ - ํ์ด์ง ๊ด๋ฆฌ์์ ์ฌ์ง ๋ฐ ์ค์บ ์ ๋ณด๋ฅผ ๋ฐ๋ก ๋ณด์ - ์ข ์ด ์ ๋ฆฌ, ๋ฐ๊ธฐ, ๋๋น, ์ ๋ช ๋, ํ๋ฐฑ, ์๊ทผ ๋ณด์ ์ ์ค์๊ฐ์ผ๋ก ๋ฏธ๋ฆฌ๋ณด๊ธฐ - ๊ฐ๋ณยท์ผ๊ดยท์๋ ๋ณด์ ๋ฐ ์๋ณธ ์ํ๋ก ์ด๊ธฐํ ์ง์ 6. ํํ ํ์ด์ง ํด - ๋ค์ ํ์ด์ง์ ์ ๋ฐ์ ๋ฏธ๋ฆฌ ํ์ธํด ์์ฐ์ค๋ฝ๊ฒ ํ์ด์ง ์ ํ 7. Apple Pencil ํ๊ธฐ - ํ, ํ๊ดํ, ์ง์ฐ๊ฐ, ์ฌ๊ฐ๋ฏธ, ํ ์คํธ, ์ , ๋ํ, ํ์ดํ ์ง์ - ํ๊ธฐ๋๊ตฌ ๊ตต๊ธฐ๋ฅผ pt ๋จ์๋ก ํ์ธํ๊ณ ์กฐ์ - ํ์ด์ง๋ณ ์๋ ์ ์ฅ๊ณผ ์คํ ์ทจ์ยท๋ค์ ์คํ 8. ๋ฉํธ๋ก๋ - ๊ณก๋ณ ํ ํฌ์ ๋ฐ์ ์ ์ฅ - 20โ300 BPM ๋ฐ ๋นํธ๋ณ ์ ์ผํธ ์ค์ - ์ฌ์์ ๋ฉ์ถ์ง ์๊ณ ํ ํฌ ๋ณ๊ฒฝ 9. ํฌ๋ก๋งคํฑ ํ๋ - ์์ , ์ฃผํ์ ๋ฐ ์ผํธ ํธ์ฐจ๋ฅผ ์ค์๊ฐ์ผ๋ก ๊ฐ์ง - A4 ๊ธฐ์ค์ 415โ466Hz ์กฐ์ - ์ต๊ณผ ํ๋ซ ์์ด๋ฆ ํ๊ธฐ ์ ํ 10. ํผ์๋ ธ ๋กค - ์คํฌ๋กค ๊ฐ๋ฅํ 88๊ฑด๋ฐ ํผ์๋ ธ - ๊ฑด๋ฐ์ ํญํ๊ฑฐ๋ ํ์ด ์์ ํ์ธ 11. ๋ผ์ด๋ธ๋ฌ๋ฆฌ & ์ ๋ฆฌ์คํธ - ๊ณต์ฐ ๋ฐ ์ฐ์ต์ฉ ์ ๋ฆฌ์คํธ ๊ตฌ์ฑ - ๊ธฐ์กด ๋ ธ๋, ์ ์ ๋ณด, ์ฌ์ง ๋ฐ ํ์ผ์ ์ ๋ฆฌ์คํธ์ ๋ฐ๋ก ์ถ๊ฐ - ์ฆ๊ฒจ์ฐพ๊ธฐ์ ์ํ๋ฒณ ์ธ๋ฑ์ค ์ง์ 12. ๋ธ๋ฃจํฌ์ค ํ์ด์ง ํฐ๋ - ํ ํ๋ฌ ๋ฐ ๋ธ๋ฃจํฌ์ค ์ปจํธ๋กค๋ฌ ์ง์ - ํ์ดํ, Page Up/Down, ์คํ์ด์ค๋ฐ, ๋ณผ๋ฅจ ๋ฒํผ ํธํ 13. ํ ๋ง - ๋ค์ํ ์ปฌ๋ฌ ํ ๋ง์ ํ์ดํธ, ์ธํผ์, ๋คํฌ ์ ๋ณด ๋ฐฐ๊ฒฝ 14. ๊ณต์ ํ์ฅ - ๋ค๋ฅธ ์ฑ์ ๊ณต์ ๋ฒํผ์ ํตํด ์ ๋ณด๋ฅผ ๋ฐ๋ก ๊ฐ์ ธ์ค๊ธฐ
Screenshots
Verdict
The clearest difference is price: JamEngine at Free against Score Master's $9.99. JamEngine also leads on update cadence (every 5 days vs every 9 days). Score Master's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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
JamEngine is free to download; Score Master costs $9.99 up front. JamEngine sells 1 one-off in-app purchase. Score Master asks for nothing beyond the download.
JamEngine ships an update every 5 days, Score Master every 9 days. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.
| Parameter | JamEngine | Score Master |
|---|---|---|
| Price | Free โ better | $9.99 |
| Positive reviews | โ | 100.0% of reviews |
| Update frequency | Every 5 days โ better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Monetization | โ | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 18.0 โ better |
| Further details โ not scored | ||
| Size | 149 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Orcun Keskin | Sanghyun Park |
In-app purchases
JamEngine
- JamEngine Pro$8.99
Score Master
No in-app purchases
Questions
Is JamEngine free?
Is Score Master free?
Do JamEngine or Score Master have ads?
Which is updated more often, JamEngine or Score Master?
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