# Air Synth vs VAPolyTZFM

The clearest difference is update cadence: Air Synth at every 2 months against VAPolyTZFM's every 9 months. Air Synth also leads on price ($1.99 vs $3.99). VAPolyTZFM's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On rating, ads, in-app purchases and monetization model there is nothing between them.

Air Synth costs $1.99 and VAPolyTZFM $3.99 up front. 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 Air Synth against 5.0 for VAPolyTZFM. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Air Synth ships an update every 2 months, VAPolyTZFM every 9 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Air Synth | VAPolyTZFM |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/air-synth/id6746959898/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/vapolytzfm/id6747690642/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 43 MB | 17 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Air Dev](https://appshunter.io/developer/1819194799) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Air Synth

[App page](https://appshunter.io/ios/app/air-synth/id6746959898)

Transform your phone into a motion-controlled musical instrument. Explore a simplified mode for younger users or dive into advanced synthesis features. Experience expressive soundscapes controlled by your movements.

**Highlights:** Motion-controlled pitch and effects, Camera, gyroscope, and accelerometer tracking, Adjustable sensitivity settings, Diverse expressive presets, Advanced synthesis parameters (oscillators, LFO, filters), Simplified mode for kids, Save custom presets

**In-app purchases:** none


### VAPolyTZFM

[App page](https://appshunter.io/ios/app/vapolytzfm/id6747690642)

This app is a polyphonic synthesizer that utilizes Through Zero FM for musical sound generation. It offers a standalone mode with Ableton Link and MIDI support, as well as an AudioUnit Extension for use with other music software. Built-in effects and iCloud Drive integration enhance its creative capabilities.

**Highlights:** Through Zero FM synthesis, AudioUnit Extension (AUv3) support, Ableton Link and MIDI connectivity, Built-in effects suite, iCloud Drive project sharing, Analog style step sequencer, Up to 8 voice polyphony

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Air Synth free?

Air Synth costs $1.99, with no in-app purchases.

### Is VAPolyTZFM free?

VAPolyTZFM costs $3.99, with no in-app purchases.

### Which has better reviews, Air Synth or VAPolyTZFM?

Air Synth and VAPolyTZFM are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Air Synth or VAPolyTZFM have ads?

Neither Air Synth nor VAPolyTZFM shows ads.

### Which is updated more often, Air Synth or VAPolyTZFM?

Air Synth ships an update every 2 months, and VAPolyTZFM every 9 months. Most recently, Air Synth was updated on October 24, 2026 and VAPolyTZFM on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*