Comparison

Chord Randomizer vs Clockworks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chord Randomizer

This music theory tool generates randomized chord progressions for practice. It offers multiple skill levels, realistic instrument sounds, and adjustable playback settings. Export your chord charts or MIDI files for further use.

Highlights
  • Randomized chord progressions
  • Multiple skill levels
  • Live audio playback
  • Arpeggio and block-chord modes
  • Built-in metronome
  • MIDI and PNG export
  • Loop mode
Features
Read full description

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.

About

Clockworks

Create complex polyrhythms visually by layering geometric shapes on a clockface. Explore diverse instruments, scales, and effects to generate intricate musical patterns without needing music theory knowledge. Export your creations as MIDI, audio, or sheet music.

Highlights
  • Visual polyrhythm creation
  • Layered shape system
  • 10 sampled instruments
  • Built-in drum kits
  • Dozens of scales
  • Scene-based arrangement
  • Export to MIDI, WAV, PDF
Features
Read full description

Clockworks turns rhythm into geometry. Build polyrhythms by layering rotating shapes on a clockface — each shape's sides become evenly-spaced beats, so a triangle and a pentagon played together weave intricate cross-rhythms with zero math. • Layer multiple shapes, each its own voice • 10 instruments — sampled piano, e-piano, guitars, plus synth keys, organ, marimba, vibes and more • Built-in drum kits with a step sequencer • Dozens of scales across many categories for instant melodic results • Scene-based arrangement to evolve your loop over time • Pro FX: 3-band EQ and BPM-synced echo • Export to MIDI, audio (WAV), or sheet music PDF No theory required — just add shapes and listen.

Screenshots

Chord Randomizer1 screens
Clockworks4 screens

Verdict

The call

Chord Randomizer and Clockworks are too close to call on the numbers: across 8 compared parameters — price, rating, ratings volume and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Chord Randomizer against 5.0 for Clockworks. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ScorecardNo meaningful differences
Chord Randomizer versus Clockworks: the parameters behind the verdict, then further details
ParameterChord RandomizerClockworks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size19 MB40 MB
Age rating4+4+
DeveloperJason ZachariahDylan Cantor

In-app purchases

None

Chord Randomizer

No in-app purchases

None

Clockworks

No in-app purchases

Questions

Is Chord Randomizer free?
Chord Randomizer is free to download, with no in-app purchases.
Is Clockworks free?
Clockworks is free to download, with no in-app purchases.
Which has better reviews, Chord Randomizer or Clockworks?
Chord Randomizer and Clockworks are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Chord Randomizer or Clockworks have ads?
Neither Chord Randomizer nor Clockworks shows ads.

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