# ISUD Zero vs Resonance Wing

The clearest difference is price: Resonance Wing at Free against ISUD Zero's $0.99. ISUD Zero's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Resonance Wing is free to download; ISUD Zero costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ISUD Zero | Resonance Wing |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 119 MB | 127 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Suwitcha Sugthana](https://appshunter.io/developer/372726303) | [Tomonori Kowatari](https://appshunter.io/developer/1895573153) |

## What reviewers say

### ISUD Zero

[App page](https://appshunter.io/ios/app/isud-zero/id6765926399)

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

**In-app purchases:** none


### Resonance Wing

[App page](https://appshunter.io/ios/app/resonance-wing/id6778402093)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISUD Zero free?

ISUD Zero costs $0.99, with no in-app purchases.

### Is Resonance Wing free?

Resonance Wing is free to download, with no in-app purchases.

### Do ISUD Zero or Resonance Wing have ads?

Neither ISUD Zero nor Resonance Wing shows ads.

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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.*