Splitonic vs QuotaFX (AUv3)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Splitonic
This audio unit plugin for iOS and macOS splits sound into harmonic and percussive components using spectral decomposition. It's ideal for remixing when stems aren't available, offering real-time processing and adjustable filters.
- AUv3 Plugin for iOS & macOS
- Spectrogram decomposition
- Real-time processing
- Adjustable median filter sizes
- Configurable separation threshold
- Three-way separation
- Preset system
Read full descriptionHide full description
Splitonic is an AUv3 audio unit for iOS and macOS. It is a filter based on the Fourier spectrum of the input signal and can be used to split the sound in a harmonic and a percussive component. Ideal for remixing when no separate stems are available. Features: - AUv3 Plugin for iOS & macOS. - Spectrogram decomposition: Splits an audio signal into controllable pitched and transient energy layers. - Real time processing: Low-latency controllable by the user. - Kernel dimensions: Adjustable horizontal (time) and vertical (frequency) median filter sizes. - Separation threshold: Configurable threshold to trade off separation isolation against musical artifacts. - Three-Way Separation: Isolates an additional "residual" or noise component to capture background hiss, vocals, or applause. - Preset system: with factory and user presets, plus import/export. - Demo mode available: purchase to unlock full version. - Optimized layout: for portrait and landscape orientations.
QuotaFX (AUv3)
This app offers a powerful suite of 64 audio effects and three distinct processing modes for musicians. Create complex audio chains, control multiple parameters with gestures, and use it standalone or as an AUv3 plugin within other music applications.
- 64 distinct audio effects
- SP, CHOMP, and RACK modes
- Gesture-based parameter control
- Build custom effect chains
- AUv3 plugin compatibility
- Standalone app functionality
- Customizable visual interface
Read full descriptionHide full description
QuotaFX is an audio effects app and AUv3 plug-in for iPhone and iPad. Version 1.4 includes 64 effects and three modes in every instance. SP MODE Choose one effect from the MFX list or 16 favorite pads. Adjust six CTRL parameters with knobs, vertical sliders, horizontal sliders or switches. Use momentary or toggle actions, MIDI Learn and host automation. CHOMP MODE Control several effects with performance sliders. Tune a gesture to move up to four parameters, set its endpoints and response curves, and use HOLD to keep your amounts. Eight A-H banks recall separate combinations across the same effect order and pages. Show 8, 16 or 32 tiles at a time and page through all 64 effects. NEW RACK MODE Build a chain of up to eight independent inserts. Audio passes from the first insert to the last. Reorder effects, bypass individual inserts and reach each effect's six controls. Your host saves the chain and its settings with the session. 16 ADDITIONS 303 VinylSim, Dub Matrix, Grain Stretch, Buffer Shuffle, Feedback Drive, Pitch Ladder, Band Shuffle, Spectral Smear, Twin Drift, Spectral Delay, Ring Motion, Orbit, Carrier, Reverse Room, Body Print and Spectral Gate. UPDATED EFFECTS This release revises DJFX Looper, DJFX Delay, Super Filter, Backspin, Scatter, Isolator, Cassette Sim and JUNO Chorus while retaining parameter identities and existing presets. IN YOUR HOST OR ON ITS OWN Use QuotaFX in COMPA or another compatible AUv3 host. Load separate instances on tracks and buses, with a different mode and effect selection in each instance as your host and CPU allow. The standalone app processes your selected audio input and records the result as a 24-bit WAV. Choose seven scope views, steel and wood surfaces, color palettes and Scope Glass behind the controls. Save named CHOMP setups and import/export .quotafxsetup files between devices. The iPhone/iPad processing unlock is a one-time App Store in-app purchase, separate from a desktop license. Existing purchases remain unlocked. Version 1.4 does not introduce an additional trial reset. Audio processing is local to your device. Incoming audio is required; no backing track is included. Requires iOS or iPadOS 15 or later. QuotaFX is independently developed by Rare Data and is not affiliated with Roland.
Screenshots
Verdict
The clearest difference is rating: Splitonic at 5.0 against QuotaFX (AUv3)'s 4.0. On price, ratings volume, update cadence and ads 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. Splitonic sells 1 one-off in-app purchase and QuotaFX (AUv3) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Splitonic holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Splitonic | QuotaFX (AUv3) |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 28 MB |
| Age rating | +4 | 4+ |
| Developer | Jan Maes | Rare Data LLC |
Customer experience
Splitonic
QuotaFX (AUv3)
In-app purchases
Splitonic
- Splitonic Activation$4.99
QuotaFX (AUv3)
- Full Unlock$19.99








