AU Studio vs Split Chaos by folina
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AU Studio
This app acts as a dedicated host for Audio Unit extensions, allowing musicians and developers to inspect, audition, and test installed audio plugins. It provides detailed information about each unit's capabilities and behavior without requiring a full digital audio workstation.
- Scan and catalog installed Audio Units
- Filter plugins by developer, type, and status
- Load AUv3 interfaces or use detailed inspector
- Inspect registry identity, MIDI support, and parameters
- Route CoreMIDI sources and audition audio effects
- Monitor runtime CPU and memory usage
- Built-in manual for guidance
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AU Studio is a focused Audio Unit host, not a DAW. Open the plug-ins you already own, hear them in seconds, and see exactly what they expose. Made for musicians, sound designers, and Audio Unit developers who need a fast, honest test bench. No session to build, no tracks to arm. Pick a unit from your catalog and its interface opens in a panel of its own, named and sized to the plug-in, with your host controls in a bar above it. Key features: - Scan the instruments, effects, music effects, generators, and MIDI processors already installed on your device: AUv3 on iPhone, iPad, and Apple Vision Pro, plus AUv2 on Mac. - Filter by developer, type, or search text, and hide Apple built-ins to focus on third-party gear. - Open a plug-in's own interface when it ships one, and fall back to a metadata view when it doesn't, with the full inspector always one tap away. - Inspect identity, four-character codes, version, sandbox and cached validation status, MIDI support, busses, parameters, presets, latency, and tail time. - Step through factory presets, then save your own working state without leaving the interface. - Play instruments from the floating MIDI keyboard: notes, pitch bend, mod wheel, auto, mono or poly voicing, a shiftable range, and one-tap panic for stuck notes. Your hardware controller lights up the on-screen keys as you play. - Run a guitar, a microphone, or any channel of your interface through a loaded effect. Pick the device, pick mono or stereo, pick the channels. - Load a track into the floating media player, scrub the waveform, loop a section, and play along with your live input at the same time. - Check a signal path in seconds with the built-in test tone. - Route external CoreMIDI sources in, and send generated MIDI back out to a CoreMIDI destination. - Test MIDI 2 units with automatic, MIDI 1, or MIDI 2 protocol selection: high-resolution notes, registered and per-note controllers, per-note pitch bend, discovered MIDI-CI Profiles, and a monitor showing raw or decoded MIDI going in and coming out. - Choose your output device on Mac, and set sample rate, buffer size, and which MIDI sources are enabled. - Keep host-process CPU and memory in view while you work. - Open unfamiliar plug-ins with less risk. AU Studio asks first when the system does not mark a unit sandbox-safe, and a peak limiter sits across the host output. - Read the built-in manual, fully searchable: discovery, routing, presets, hardware input, floating tools, troubleshooting, and developer notes. What AU Studio is: A focused host for discovering, opening, auditioning, and inspecting the Audio Units already on your device. It answers the practical questions: Is the unit visible? Does it load? Does it have an interface? What busses, parameters, presets, and MIDI capabilities does it expose? Does MIDI reach it? Does audio pass through it? What AU Studio is not: It is not a DAW. No multitrack recording, clip launching, timeline arrangement, piano-roll sequencing, MIDI learn, automation lanes, song export, or mastering tools. AU Studio ships no Audio Unit of its own — no instrument, no effect, no DSP engine. It hosts the units other apps provide and wraps them in host-owned routing, auditioning, and inspection. Discovery uses the system Audio Unit registry. If a provider app is not installed, not enabled, or not visible to the platform, AU Studio cannot invent it. Interface behavior, presets, parameter meaning, MIDI mapping, and DSP results belong to each Audio Unit.
Split Chaos by folina
This app creates two distinct audio paths from your sound, allowing them to evolve independently through timing, pitch, and tone differences before merging. It offers controlled disagreement for unique sonic textures, width, and depth, transforming ordinary sounds into dynamic performances.
- Dual-path audio processing
- Organic evolving motion
- Timing, pitch, and tonal disagreement
- Wide stereo textures
- Intuitive six-control interface
- AUv3 support for iOS and Mac
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Split Chaos creates two alternate realities of your sound. Your audio is duplicated into two identical paths. From there, each path gradually disagrees with the other through timing, pitch, tone, saturation, and continuously evolving movement before they collide back together into a single output. Instead of traditional chorus, delay, or modulation, Split Chaos focuses on controlled disagreement. Small differences create width, depth, and movement. Larger differences produce fractured doubles, unstable textures, warped stereo images, and beautifully imperfect parallel worlds. Every control shapes how the two realities drift apart: • Offset introduces timing disagreement between the paths. • Bend creates subtle pitch disagreement through delay modulation. • Color gives each path a different spectral character. • Friction applies different saturation characteristics to each path. • Drift continuously evolves every disagreement with slow organic motion. • Mix blends the processed signal with your original audio. From subtle widening and analog-style instability to surreal layered textures, Split Chaos transforms ordinary sounds into evolving, living performances that never stand completely still. Perfect for guitars, synths, vocals, drums, pads, percussion, and creative sound design. Features • Unique dual-path processing architecture • Organic evolving motion without obvious LFO modulation • Timing, pitch, tonal and saturation disagreement • Wide stereo textures and animated depth • Character-first interface with six intuitive controls • AUv3 support for iPhone, iPad, and Mac • Works in GarageBand, Logic Pro, Cubasis, AUM, Audiobus, and other compatible AUv3 hosts Split the signal. Create two realities. Choose how much they disagree.
Screenshots
Verdict
The clearest difference is rating: Split Chaos by folina at 5.0 against AU Studio's 4.5. Split Chaos by folina also leads on price ($2.99 vs $9.99) and iOS requirement (12.0 vs 17.0). AU Studio's advantage is ratings volume (4 vs 1). On ads, in-app purchases, monetization model and device support 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
AU Studio costs $9.99 and Split Chaos by folina $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Split Chaos by folina holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
| Parameter | AU Studio | Split Chaos by folina |
|---|---|---|
| Price | $9.99 | $2.99 — better |
| Rating | 4.5 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Thompson | Jeremy Phillips |
Customer experience
AU Studio
Split Chaos by folina
In-app purchases
AU Studio
No in-app purchases
Split Chaos by folina
No in-app purchases
Questions
Is AU Studio free?
Is Split Chaos by folina free?
Which has better reviews, AU Studio or Split Chaos by folina?
Do AU Studio or Split Chaos by folina have ads?
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