# AssaultChainGunKM vs Astro Invaders

The clearest difference is in-app purchases: AssaultChainGunKM at none against Astro Invaders's 6. AssaultChainGunKM also leads on ads (none vs shown) and ratings volume (21 vs 1). Astro Invaders's advantage is update cadence (weekly vs every 5 months). On price, rating and device support there is nothing between them.

Both are free to download. Astro Invaders sells 6 one-off in-app purchases. AssaultChainGunKM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AssaultChainGunKM against 5.0 for Astro Invaders. That said, the two scores are not equally well evidenced: AssaultChainGunKM has 21 ratings behind it against 1, so its average is the more settled of the two.

AssaultChainGunKM ships an update every 5 months, Astro Invaders weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AssaultChainGunKM | Astro Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (21 ratings)](https://appshunter.io/ios/app/assaultchaingunkm/id1445645522/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/astro-invaders/id6751432275/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 110 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Koji Nakada](https://appshunter.io/developer/1169967301) | [Sang Yoon Lee](https://appshunter.io/developer/1639696646) |

## What reviewers say

### AssaultChainGunKM

[App page](https://appshunter.io/ios/app/assaultchaingunkm/id1445645522)

Engage in a retro-style arcade shooter where you control a chain gun to eliminate robotic enemies and incoming missiles. Aim and fire with simple touch controls, utilizing infinite ammunition to clear the screen.

**Highlights:** Chain gun shooting gameplay, Enemy and missile targeting, Infinite bullet supply, Touch-based aiming control, Retro arcade style

**In-app purchases:** none


### Astro Invaders

[App page](https://appshunter.io/ios/app/astro-invaders/id6751432275)

Experience an intense arcade space battle with simple controls. Upgrade your ship to rapidly grow stronger and defeat challenging bosses. Uncover a lasting story through 21 boss encounters.

**Highlights:** Simple movement and shooting controls, Intense space battles, Ship upgrades for rapid growth, 21 boss battles, Uncover a lasting story, Casual action and rail shooter mechanics

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Ad Skip | $0.99 | one-time |
| 10000 Bit Pack | $0.99 | one-time |
| Super Bit Pack | $1.99 | one-time |
| Mega Bit Pack | $2.99 | one-time |
| 50000 Bit Pack | $2.99 | one-time |
| 150000 Bit Pack | $4.99 | one-time |


## Frequently asked questions

### Is AssaultChainGunKM free?

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

### Is Astro Invaders free?

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

### Which has better reviews, AssaultChainGunKM or Astro Invaders?

AssaultChainGunKM and Astro Invaders are both rated 5.0 out of 5 on the App Store, from 21 and 1 ratings respectively.

### Do AssaultChainGunKM or Astro Invaders have ads?

Astro Invaders shows ads; AssaultChainGunKM does not.

### Which is updated more often, AssaultChainGunKM or Astro Invaders?

AssaultChainGunKM ships an update every 5 months, and Astro Invaders weekly. Most recently, AssaultChainGunKM was updated on November 2, 2026 and Astro Invaders on October 30, 2026.

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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.*