kineticSynth vs airSynthesizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
kineticSynth
Transform your phone into a virtual musical instrument that responds to your movements. Explore unique ways to create music with high-fidelity sound and intuitive controls. Perfect for aspiring musicians and sound enthusiasts.
- Motion-controlled instrument playback
- Virtual 37-key synthesizer
- Drum pad simulation
- Bass drone control
- Hi-fidelity 44kHz sound
- Instrument tutorial videos
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Use the phone as a virtual musical instrument, producing sounds depending on how you move it in the air. Every instrument has a help video demonstrating how the instrument is “played”. Hitting and sustaining the keys of a 37-keys keyboard synthesizer, or hitting drums as if with a drumstick, or controlling the buzz of a bass drone, it’s a completely new musical experience that feels natural like a real musical instrument! All in 44kHz hi-fidelity sound. Everyone can now sweep that filter like a pro electronic producer!
airSynthesizer
Transform your device into a motion-controlled musical instrument. Shape sounds and control MIDI in real-time using intuitive hand gestures, offering a unique and expressive way to create music.
- Motion-controlled sound shaping
- Customizable sound engine
- MIDI output via Wi-Fi/USB
- Responsive real-time performance
- Headphone-friendly for practice
- DAW integration
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Unleash sound with a wave of your hand. This isn’t your typical synthesizer. This is a motion-powered instrument that turns your iPhone into a portal for musical expression. Whether you're shaping ambient textures, triggering synth stabs, or controlling MIDI in your favorite DAW, this app puts music literally in your hands. Using your phone’s built-in camera, every movement becomes musical. Twist, tilt, wave, or glide—each hand gesture maps to sound in real time, letting you perform with feel, not just fingers. Features: • Motion-Controlled Sound – Control pitch, tone, and modulation using natural hand movements. • Customizable Sound Engine – Shape your synth tone with intuitive parameters. • MIDI Output – Connect wirelessly to your DAW or hardware via Wifi or USB MIDI. • Responsive & Expressive – Designed for fluid, real-time musical performance. • Headphone-Friendly – Play anywhere—no need for external gear to get started. • Easy Integration – Compatible with most DAWs that support MIDI over Wifi (Ableton, Logic Pro, GarageBand, etc.). Whether you're performing live, experimenting in the studio, or just having fun, this app lets you interact with music in a whole new dimension. No buttons. No knobs. Just motion. Music, reinvented.
Screenshots
Verdict
The clearest difference is iOS requirement: kineticSynth at 11.0 against airSynthesizer's 17.6. 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for kineticSynth against 5.0 for airSynthesizer. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
kineticSynth ships an update every 3 weeks, airSynthesizer every 5 weeks. Both last shipped on October 24, 2026.
| Parameter | kineticSynth | airSynthesizer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 121 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Stefan Nikolov | Joseph Sheehan |
Customer experience
kineticSynth
airSynthesizer
In-app purchases
kineticSynth
No in-app purchases
airSynthesizer
No in-app purchases





