Soundipity vs Skipback AUv3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Soundipity
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Soundipity — A Generative MIDI Instrument You Play Live Soundipity is a real-time generative MIDI instrument you play like an instrument. Shape probability, scales, rhythms, chord progressions, and note ranges on the fly—the engine responds instantly so you can sculpt evolving music in motion. Soundipity can drive melodic instruments, drums, or both at once, route multiple voices to different instruments, and keep everything perfectly in sync. Connect it to your DAW (Logic Pro, GarageBand, Cubasis, etc.) or any MIDI-capable synth, hit record, and capture full performances as you tweak. What you can do Play melodies or drums Generate melodic lines, drum patterns, or layered combinations—each voice can target its own MIDI channel or instrument. Control everything in real time Adjust probability, rhythms, ranges, intervals, velocity, and tempo while the music plays. No stopping, no reprogramming. Use your own chord progressions Input custom chord progressions or harmonic modes so voices evolve while staying musically grounded. Run multiple voices in sync Drive multiple instruments at once, each with independent behavior, locked to the same clock. Shape live structure with Zones Save complete states as Zones for different sections and switch instantly during performance or recording. Built for studio and stage Improvise live or record evolving takes directly into your DAW in a single pass. Key features • Melodic and drum-oriented MIDI generation • Custom chord progressions and chord-aware filtering • Probability controls, rhythm presets, interval settings, and loop lengths • Multi-voice setup with per-voice MIDI routing • Zone saving and instant switching • Real-time tempo control with immediate response • MIDI-first design for software and hardware instruments • Works on iPhone and iPad In-app purchase Soundipity is free to get started so you can explore the workflow and start making music right away. Soundipity Pro unlocks unlimited voices and unlimited Zones for deeper layering and larger performances. Great for • Live electronic improvisation • Playing generative music like an instrument • Driving synths, drum machines, and plug-ins together • Capturing evolving ideas in a single DAW recording pass
Skipback AUv3
This tool captures your recent audio and MIDI performances retroactively, allowing you to save great ideas even if you forgot to press record. It continuously stores your playing in memory and lets you export it as WAV or MIDI files.
- Retrospective audio and MIDI capture
- Transparent audio pass-through
- Selectable audio history
- Selectable MIDI history
- Export audio as 24-bit WAV
- Export MIDI as Standard MIDI File
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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 in-app purchases: Skipback AUv3 at none against Soundipity's 1. On price, ads, device support and iOS requirement 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. Soundipity sells 1 one-off in-app purchase. Skipback AUv3 asks for nothing beyond the download.
| Parameter | Soundipity | Skipback AUv3 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ANDREW ROBERT HAEFNER | Signals Intelligence Sound LLC |
In-app purchases
Soundipity
- Soundipity Pro$14.99
Skipback AUv3
No in-app purchases









