Splitonic vs QuotaFX (AUv3)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Splitonic
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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 audio effects rack offers 38 hands-on performance effects for music production on iOS devices. It features a unified control surface, customizable pads, and MIDI mapping for live manipulation and real-time resampling. A free trial is available with a one-time unlock purchase.
- 38 performance effects
- Unified control surface
- 16 favorite effect pads
- 16 MIDI-mappable macros
- Live oscilloscope
- Customizable UI themes
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QuotaFX is a hands-on performance-effects instrument for iPhone and iPad. Run it as a standalone app, or load the AUv3 on a channel or bus inside COMPA, AUM, Cubasis, Drambo, Loopy Pro, Logic Pro for iPad, GarageBand, or another Audio Unit host. TWO PERFORMANCE MODES SP Mode keeps the focused hardware-style workflow: choose one effect, work with six consistent CTRL macros, and jump between sixteen assignable favorites. Browse the complete library through the MFX pages, and choose whether the on-screen MFX button works as Hold or Latch. Chomp Mode is a simultaneous multi-effect engine. Its 48 assignable positions process in visible top-left to bottom-right order. Ride the complete tile with a finger or mouse, combine several effects at once, use HOLD when you want a gesture to stay active, and show 8, 16, 32, or all 48 positions with paging that never changes the underlying effect chain. TUNE THE WAY EACH RIDE MOVES Choose any position, assign an effect from the full catalog, move or swap complete positions, and map up to four parameters to one finger movement. Set From and To endpoints, reverse a ride by swapping them, and choose Linear, Fine, Punch, Smooth, Log, or stepped response. Save named Chomp setups in a shared on-device library, load them in another host, and export or import setup files between devices. Choose an optional starting setup for new instances. Existing projects always restore their own saved tuning. 48 EFFECTS The library covers filters, isolators, delays, reverbs, modulation, distortion, lo-fi texture, pitch, repeats, freezes, throws, tape movement, glitch and performance transitions. Version 1.3 adds: - Shuttle - ride captured audio through reverse, stop, normal speed and double speed. - Reflex - transient-reactive pre-hit capture and repeat. - Wrap Filter - resonant bands that travel and wrap through the spectrum. - Contour - shape a sound between attack and body. MAKE SP MODE YOURS Set every CTRL to a knob, vertical fader or horizontal fader, or choose a different shape for each of CTRL 1 through 6. Show boolean controls as direct ON/OFF buttons or Classic 50% controls. Set every supported effect switch to Toggle or Momentary together, or change only the switch owned by the selected effect. SCOPE GLASS See the processed signal behind the performance surface with Peaks, Wave, Bars, Spectrum, Vector, Depth, or Trace. Choose clear, glass, or solid Chomp tiles, then use a flat, gradient, rainbow, or custom one-to-three-color scope palette. RECORD WITHOUT A HOST Connect a class-compliant USB-C groovebox or audio interface, monitor through the selected output, perform through QuotaFX, and record the post-effect result directly as a 24-bit WAV. Export the newest take from Settings or find it later in Files. BUILT FOR HANDS-ON CONTROL - Six MIDI-mappable SP CTRL macros - Sixteen assignable SP favorites with Select, Toggle, or Hold behavior - Toggle and Momentary modes for supported effect switches - In-plugin MIDI Learn - Responsive portrait and landscape layouts - Standalone app plus AUv3 extension QuotaFX is a free download with one non-consumable unlock. Brand-new production users purchase to unlock processing. If this device has a real QuotaFX trial record from an earlier release and has not been unlocked, version 1.3 grants that existing record one fresh seven-day window exactly once. No subscription. No Rare Data account. No analytics or tracking. QuotaFX is built and supported by one independent developer. Questions, issues, feedback and feature requests are welcome at support@getquota.app. COMPA is Rare Data's producer-first AUv3 host and music workstation. It launches alongside QuotaFX 1.3 on September 9. Run QuotaFX on a COMPA channel or bus, then build the rest of the track around it.
Screenshots
Verdict
Splitonic and QuotaFX (AUv3) are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.
| Parameter | Splitonic | QuotaFX (AUv3) |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Maes | Jordan Mcdonald |
In-app purchases
Splitonic
- Splitonic Activation$4.99
QuotaFX (AUv3)
- Full Unlock$14.99







