Chord Randomizer vs Audio Interface Recorder
Price, ratings, monetisation and update history for both apps, side by side ā 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.
Audio Interface Recorder
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AudioRecorder turns your iPhone or iPad into a clean, no-nonsense recorder for your USB audio interface - in the studio, at home, or on stage. Plug in your interface, choose your inputs, and capture uncompressed 24-bit WAV at your hardware's native sample rate. No conversion, no color - just your signal. Built for musicians and home studios who want a dependable capture tool without launching a full DAW. RECORD ⢠Works with any class-compliant USB audio interface ⢠Uncompressed 24-bit PCM WAV at the interface's native sample rate - never resampled ⢠Mono, stereo, or mono-sum capture ⢠Choose exactly which inputs feed Left and Right, so a multi-input interface lets you pick any two ⢠Live level meters with a peak readout and clip indicator for dialing in gain ⢠Preview the input before you commit to a take ⢠A big, unmissable record button and elapsed timer STAY IN CONTROL ⢠Live "time remaining" estimate from your free space, with a low-space warning ⢠The screen stays awake while recording, so the meters never dim ⢠Interrupted takes - a phone call, an unplugged cable - are saved as partial recordings, not lost LIBRARY ⢠Play back with scrubbing ⢠Rename, delete and organize your takes ⢠Share via AirDrop or Files, or export straight to a USB drive SETUP HELP ⢠A built-in connection guide shows exactly how to wire things up, with diagrams for both USB-C and Lightning devices WHAT YOU NEED ⢠A class-compliant USB audio interface ⢠If your iPhone or iPad has a USB-C port, then the Audio Interface will work without external power ⢠On Lightning devices, an Apple Lightning to USB Camera Adapter is needed and the Audio interface needs a source of external power AudioRecorder does one thing and does it cleanly: get the signal from your interface onto your device, uncompressed and intact.
Screenshots
Verdict
The clearest difference is iOS requirement: Chord Randomizer at 15.0 against Audio Interface Recorder's 17.6. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chord Randomizer | Audio Interface Recorder |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 15.0 ā better | 17.6 |
| Further details ā not scored | ||
| Size | 19 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jason Zachariah | RAIMONDS BLUMS |
In-app purchases
Chord Randomizer
No in-app purchases
Audio Interface Recorder
No in-app purchases
Questions
Is Chord Randomizer free?
Is Audio Interface Recorder free?
Do Chord Randomizer or Audio Interface Recorder have ads?
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