# Catch Sushi vs Alien Annihilation Agent

The clearest difference is ads: Catch Sushi at none against Alien Annihilation Agent's shown. Catch Sushi also leads on update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Catch Sushi ships an update every 2 days, Alien Annihilation Agent every 3 weeks. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Catch Sushi | Alien Annihilation Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alien-annihilation-agent/id6449690896/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 45 MB | 239 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xianguo Chen](https://appshunter.io/developer/1460486332) | [GRAVITY NEOCYON](https://appshunter.io/developer/1561085852) |

## What reviewers say

### Catch Sushi

[App page](https://appshunter.io/ios/app/catch-sushi/id1574918554)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alien Annihilation Agent

[App page](https://appshunter.io/ios/app/alien-annihilation-agent/id6449690896)

Defend humanity's last hope by strategically deploying and upgrading defensive towers. Prevent waves of alien creatures from reaching your base in this engaging mobile strategy game.

**Highlights:** Strategic tower deployment, Tower upgrades for enhanced power, Prevent enemy base invasion, Intuitive interface, Short play sessions, Mobile-friendly gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catch Sushi free?

Catch Sushi is free to download, with no in-app purchases.

### Is Alien Annihilation Agent free?

Alien Annihilation Agent is free to download, with no in-app purchases.

### Do Catch Sushi or Alien Annihilation Agent have ads?

Alien Annihilation Agent shows ads; Catch Sushi does not.

### Which is updated more often, Catch Sushi or Alien Annihilation Agent?

Catch Sushi ships an update every 2 days, and Alien Annihilation Agent every 3 weeks. Most recently, Catch Sushi was updated on October 5, 2026 and Alien Annihilation Agent on October 17, 2026.

---

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