Chord Randomizer vs The Color Tree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chord Randomizer
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Chord Randomizer is a powerful music theory practice tool from Nathaniel School of Music. Whether you're a beginner just learning your triads or an advanced musician drilling diatonic progressions, Chord Randomizer keeps your practice sessions fresh and effective. FEATURES - Randomised chord progressions so you never practice the same sequence twice - Three skill levels: Beginner, Intermediate, and Diatonic - Live audio playback with realistic instrument sounds: piano, guitar, harp, and cello - Arpeggio and block-chord playback modes, each with independent volume - Built-in metronome with configurable BPM from 40 to 240 - Playback speed multiplier: 1x, 1.5x, and 2x - Chord rate control: change chords every beat, every bar, or every two bars - Loop mode for continuous practice - MIDI export for use in any DAW - PNG export to share a clean chord chart with students or bandmates - Dark, professional UI optimised for practice sessions PERFECT FOR - Music students building chord recognition - Teachers generating practice exercises - Songwriters and composers exploring new progressions - Guitarists, pianists, and keyboardists of all levels Chord Randomizer runs entirely on-device. No account is needed, and no data is collected.
The Color Tree
Explore a novel musical object derived from the circle of fifths, revealing relationships between 67 sounds arranged by complexity and brightness. Hear and visualize any sound, with a scale visualizer and offline functionality.
- Circle of fifths organization
- Sound visualization
- Customizable audio playback
- Instrument-specific scale visualizer
- Offline functionality
- Links to music encyclopedia
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Take any set of notes that sit side by side on the circle of fifths. Collect every one of those sets, and they self-organize into a 12-row object - 67 sounds, arranged from simple to complex and from dark to bright. That's The Color Tree, discovered by Andrew Sheron in 2021. Many common scales and chords you already know appear here, along with many you might not recognize. Tap any sound to hear it and visualize it. Key Features: • Completely free - no ads, no account • Listen - customizable playback for every sound on the object • Scale visualizer - see the notes laid out on your instrument of choice • Fully offline - no connection required • Deep links to The Color Encyclopedia - jump to the full entry for any sound For composers, improvisers, music theorists, and anyone else with curious ears. The Color Tree maps the 12 special cases. The Color Encyclopedia contains the entire space - all 351 families of notes in twelve-tone music.
Screenshots
Verdict
The clearest difference is device support: Chord Randomizer at 3 against The Color Tree's 1. Chord Randomizer also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chord Randomizer | The Color Tree |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jason Zachariah | ANDREW SHERON |
In-app purchases
Chord Randomizer
No in-app purchases
The Color Tree
No in-app purchases
Questions
Is Chord Randomizer free?
Is The Color Tree free?
Do Chord Randomizer or The Color Tree have ads?
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