# SECTOR 99 vs Aether Defense

The clearest difference is device support: Aether Defense at 3 against SECTOR 99's 1. Aether Defense also leads on iOS requirement (13.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SECTOR 99 | Aether Defense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 7 MB | 155 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Jesse Lewis](https://appshunter.io/developer/1868776563) | [Shin YuJin](https://appshunter.io/developer/413998995) |

## What reviewers say

### SECTOR 99

[App page](https://appshunter.io/ios/app/sector-99-endless-survival/id6760548538)

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

**In-app purchases:** none


### Aether Defense

[App page](https://appshunter.io/ios/app/aether-defense/id6794325496)

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

**In-app purchases:** none


## Frequently asked questions

### Is SECTOR 99 free?

SECTOR 99 is free to download, with no in-app purchases.

### Is Aether Defense free?

Aether Defense is free to download, with no in-app purchases.

### Do SECTOR 99 or Aether Defense have ads?

Neither SECTOR 99 nor Aether Defense shows ads.

---

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