Derson DSynth Mobile vs K.O. II
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Derson DSynth Mobile
Create complex sounds with a polyphonic synthesizer. Build custom patches using multiple oscillators, envelopes, and a flexible effects chain. Practice or perform with responsive on-screen keys and MIDI input.
- Multi-layer oscillators
- Per-oscillator envelopes and filters
- Reorderable FX chain
- Preset browser
- On-screen keyboard
- MIDI input
- Visualizers
Read full descriptionHide full description
DSynth Mobile is a low-latency polyphonic synthesizer for sound design, practice, and performance. Build patches with up to 10 oscillator layers, per-layer envelopes, detune, filters, a reorderable FX chain, factory and user presets, MIDI input, and responsive on-screen keys. Features: - Multi-layer oscillators with sine, square, saw, triangle, and noise waveforms - Per-oscillator ADSR, volume, detune, and filter controls - Global filter and master envelope - Reorderable FX chain with distortion, chorus, echo, delay, phaser, and reverb - Preset browser with factory and user presets - On-screen keyboard with octave controls and velocity from touch position - Oscilloscope and spectrum visualizers - Optional background audio
K.O. II
Read full descriptionHide full description
K.O. II is a compact native beat-making instrument for iPhone and iPad. Tap responsive pads, switch between drum, percussion, bass, and key banks, build 16-step patterns, and explore 38 included demo grooves. Designed as a focused standalone music surface, K.O. II gives you a hardware-inspired workflow for quick ideas, rhythm practice, and portable sound experiments.
Screenshots
Verdict
Derson DSynth Mobile and K.O. II are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Derson DSynth Mobile | K.O. II |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | DERSON PRODUCTIONS, LLC | 海洋 符 |
In-app purchases
Derson DSynth Mobile
No in-app purchases
K.O. II
No in-app purchases
Questions
Is Derson DSynth Mobile free?
Is K.O. II free?
Do Derson DSynth Mobile or K.O. II have ads?
Other comparisons
