# Shadow Spring vs ISUD Zero

The clearest difference is price: Shadow Spring at Free against ISUD Zero's $0.99. Shadow Spring also leads on iOS requirement (12.0 vs 15.0). ISUD Zero's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Shadow Spring is free to download; ISUD Zero costs $0.99 up front. Shadow Spring sells 1 one-off in-app purchase. ISUD Zero asks for nothing beyond the download.

## The numbers

| Metric | Shadow Spring | ISUD Zero |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/shadow-spring/id1489872097/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 41 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 119 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TradeWeb](https://appshunter.io/developer/529228176) | [Suwitcha Sugthana](https://appshunter.io/developer/372726303) |

## What reviewers say

### Shadow Spring

[App page](https://appshunter.io/ios/app/shadow-spring/id1489872097)

Tap your screen to guide a character through the shadows, collecting coins. Challenge friends to see who can achieve the highest score and share your progress.

**Highlights:** Tap-based gameplay, Coin collection, Score sharing, Competitive play, Simple controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### ISUD Zero

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Shadow Spring free?

Shadow Spring is free to download, with in-app purchases available.

### Is ISUD Zero free?

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

### Do Shadow Spring or ISUD Zero have ads?

Shadow Spring shows ads; ISUD Zero does not.

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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.*