# WindSynth 16 vs Synth Box

The clearest difference is in-app purchases: WindSynth 16 at none against Synth Box's 3. Synth Box's advantage is ads (none vs shown) and iOS requirement (15.0 vs 26.4). On price, update cadence and device support there is nothing between them.

Both are free to download. Synth Box sells 3 in-app purchases, starting at $3.99 per month. WindSynth 16 asks for nothing beyond the download.

WindSynth 16 ships an update every 6 weeks, Synth Box every 2 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WindSynth 16 | Synth Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synth-box-music-synthesizer/id6777200381/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 35 MB | 13 MB |
| Requires iOS | 26.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### WindSynth 16

[App page](https://appshunter.io/ios/app/windsynth-16/id6766004505)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Synth Box

[App page](https://appshunter.io/ios/app/synth-box-music-synthesizer/id6777200381)

Transform your device into a versatile synthesizer with a touch-sensitive keyboard, morphing oscillators, and a resonant low-pass filter. Explore 100 presets, add real-time effects, and record your performances. Connect MIDI controllers for expanded creative possibilities.

**Highlights:** Slide-to-play keyboard with pitch/mod wheels, Dual morphing wavetable oscillators, Moog-style low-pass filter, 100 hand-crafted presets, Real-time effects (reverb, delay, bit-crusher), Record and share performances, MIDI controller support

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is WindSynth 16 free?

WindSynth 16 is free to download, with no in-app purchases.

### Is Synth Box free?

Synth Box is free to download, with in-app purchases available.

### Do WindSynth 16 or Synth Box have ads?

WindSynth 16 shows ads; Synth Box does not.

### Which is updated more often, WindSynth 16 or Synth Box?

WindSynth 16 ships an update every 6 weeks, and Synth Box every 2 months. Most recently, WindSynth 16 was updated on November 7, 2026 and Synth Box on October 31, 2026.

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