# STELLRAID vs ISUD Zero

The clearest difference is in-app purchases: ISUD Zero at none against STELLRAID's 1. ISUD Zero also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. STELLRAID sells 1 one-off in-app purchase. ISUD Zero asks for nothing beyond the download.

## The numbers

| Metric | STELLRAID | ISUD Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 177 MB | 119 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MITSUHARU SAIKAWA](https://appshunter.io/developer/1625784464) | [Suwitcha Sugthana](https://appshunter.io/developer/372726303) |

## What reviewers say

### STELLRAID

[App page](https://appshunter.io/ios/app/stellraid-time-loop-shooter/id6748162737)

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

**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 STELLRAID free?

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

### Is ISUD Zero free?

ISUD Zero is free to download, with no in-app purchases.

### Do STELLRAID or ISUD Zero have ads?

STELLRAID 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.*