Comparison

Cantus vs Audio Interface Recorder

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

Head to head
About

Cantus

This interactive tool helps musicians explore harmony and chord voicings on a virtual piano. It allows users to visualize how notes move within chords, understand modal relationships, and develop a feel for harmony through focused practice.

Highlights
  • Interactive chord and voicing exploration
  • Piano keyboard visualization
  • Modal and scale-based harmony practice
  • Voice-leading movement analysis
  • Tone.js audio playback
  • Account-free operation
Features
Read full description

Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students. Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands. FEATURES * Interactive chord and voicing explorer * Piano keyboard visualization * Modal and scale-based harmony practice * Voice-leading movement and pinboard-style comparison * Tone.js audio playback * Self-hosted fonts and bundled web assets * Works without an account BY NATHANIEL SCHOOL OF MUSIC Built for practical harmony learning, composition practice, and deeper chord fluency.

About

Audio Interface Recorder

This app transforms your iPhone or iPad into a high-fidelity recorder for your USB audio interface. It captures uncompressed 24-bit WAV audio at your interface's native sample rate, ideal for musicians and home studios seeking a direct and clean signal capture without a full Digital Audio Workstation.

Highlights
  • Lossless 24-bit WAV recording
  • Supports class-compliant USB audio interfaces
  • Mono, stereo, or mono-sum capture
  • Live level meters with clip indicator
  • Partial recording save on interruption
  • Organize, rename, and share recordings
Features
Read full description

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

Cantus3 screens
Audio Interface Recorder4 screens

Verdict

The call

The clearest difference is iOS requirement: Cantus at 15.0 against Audio Interface Recorder's 17.6. On price, rating, ratings volume and update cadence 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

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 Cantus against 5.0 for Audio Interface Recorder. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Cantus ships an update every 5 days, Audio Interface Recorder every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 8 level
Cantus versus Audio Interface Recorder: the parameters behind the verdict, then further details
ParameterCantusAudio Interface Recorder
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size3 MB1 MB
Age rating4+4+
DeveloperJason ZachariahRAIMONDS BLUMS

In-app purchases

None

Cantus

No in-app purchases

None

Audio Interface Recorder

No in-app purchases

Questions

Is Cantus free?
Cantus is free to download, with no in-app purchases.
Is Audio Interface Recorder free?
Audio Interface Recorder is free to download, with no in-app purchases.
Which has better reviews, Cantus or Audio Interface Recorder?
Cantus and Audio Interface Recorder are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Cantus or Audio Interface Recorder have ads?
Neither Cantus nor Audio Interface Recorder shows ads.
Which is updated more often, Cantus or Audio Interface Recorder?
Cantus ships an update every 5 days, and Audio Interface Recorder every 4 days. Most recently, Cantus was updated on November 5, 2026 and Audio Interface Recorder on October 31, 2026.

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