Cantus vs Skipback AUv3
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Cantus
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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.
Skipback AUv3
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Skipback AUv3 implements a tool sometimes referred to as retrospective recording, or retroactive recording or capture MIDI, used by musicians, producers, and sound designers on more expensive electronic instruments. It continuously keeps your most recent audio and MIDI performance in memory, so you can recover a great idea - even if you forgot to press Record. Add the Skipback Audio Unit extension to a track in a compatible AUv3 host, or use it to record the microphone in the standalone app, then play as usual. Audio passes through unchanged while Skipback maintains a rolling history of everything routed through it. When inspiration strikes, simply export what you just played. FEATURES ⢠Retrospective audio and MIDI capture ⢠Transparent audio pass-through ⢠Selectable audio history: 10 seconds, 30 seconds, or 1 minute ⢠Selectable MIDI history: 100, 1,000, or 5,000 notes ⢠Export audio as 24-bit WAV ⢠Export MIDI as a Standard MIDI File ⢠Tap to save using the system share interface ⢠Drag exported files directly into supported hosts (Koala Sampler, Helium in AUM, Cubasis, etc.) ⢠Input level meter for monitoring audio ⢠MIDI activity indicator ⢠Compact interface designed to stay out of your way Skipback stores its rolling history in memory and only creates a file when you choose to export. Whether you are improvising, designing sounds, rehearsing a part, or experimenting with a new instrument, Skipback helps preserve the moments you did not know you wanted to record. Never lose a great take because you forgot to press Record. Requires a compatible Audio Unit v3 host. Host capabilities and drag-and-drop support may vary.
Screenshots
Verdict
The clearest difference is iOS requirement: Cantus at 15.0 against Skipback AUv3's 17.0. 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 | Cantus | Skipback AUv3 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jason Zachariah | Signals Intelligence Sound LLC |
In-app purchases
Cantus
No in-app purchases
Skipback AUv3
No in-app purchases









