Splitonic vs Tonic Synths
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
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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.
Tonic Synths
This app offers a portable music studio with 14 unique synthesizers for creating and sculpting audio. Users can draw sounds, program melodies, and apply effects like reverb and compression. Recordings can be exported as WAV files for use in other projects.
- 14 unique synthesizers
- XY pad sound sculpting
- 8-step melody programming
- Resonant filter sculpting
- Reverb and compressor effects
- 60-second audio recording
- WAV file export
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Tonic Synth puts a studio full of synthesizers in your pocket. 14 unique synths. All live. All real. Draw sound with your finger on the XY pad. Twist an FM drone into alien textures. Program an 8-step melody. Sculpt noise through resonant filters. Drown everything in reverb. Every control changes the sound instantly — no presets, no menus, just your hands on the instrument. Hear something you love? Hit record. You get 60 seconds. Export it as a WAV file and take it anywhere — into your DAW, your sample library, or share it straight from the app. SYNTHS INCLUDE - FM Drone - XY Speed Pad - Delay Sequencer - Step Sequencer - Filtered Noise - Reverb - Compressor - Bandlimited Oscillator - Sine Sum - Stereo Delay - and more! Free. No ads. No in-app purchases. Just sound.
Screenshots
Verdict
The clearest difference is in-app purchases: Tonic Synths at none against Splitonic's 1. On price, rating, ratings volume and update cadence 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. Tonic Synths asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Splitonic against 5.0 for Tonic Synths. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Splitonic ships an update every 2 weeks, Tonic Synths every 11 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.
| Parameter | Splitonic | Tonic Synths |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 10 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Maes | UpTech Works, LLC |
In-app purchases
Splitonic
- Splitonic Activation$4.99
Tonic Synths
No in-app purchases







