# Stargate Bullet vs Astro Invaders

The clearest difference is in-app purchases: Stargate Bullet at none against Astro Invaders's 6. Stargate Bullet also leads on ads (none vs shown) and ratings volume (3 vs 1). Astro Invaders's advantage is update cadence (weekly vs monthly). On price, rating, monetization model and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Stargate Bullet against 5.0 for Astro Invaders. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Stargate Bullet ships an update monthly, Astro Invaders weekly. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Stargate Bullet | Astro Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/stargate-bullet/id1148371444/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/astro-invaders/id6751432275/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 110 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [先寅 陈](https://appshunter.io/developer/1081043581) | [Sang Yoon Lee](https://appshunter.io/developer/1639696646) |

## What reviewers say

### Stargate Bullet

[App page](https://appshunter.io/ios/app/stargate-bullet/id1148371444)

Embark on an adventure as an Earth empire guard in this horizontal shooter. Summon and train heroes to overcome nearly 200 challenging levels and defeat formidable bosses.

**Highlights:** Horizontal shooting gameplay, Nearly 200 challenging levels, Hero summoning and training, Boss battles, Adventure mode, Collect training materials

**Features:** macOS Compatibility

**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 Stargate Bullet free?

Stargate Bullet 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, Stargate Bullet or Astro Invaders?

Stargate Bullet and Astro Invaders are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Stargate Bullet or Astro Invaders have ads?

Astro Invaders shows ads; Stargate Bullet does not.

### Which is updated more often, Stargate Bullet or Astro Invaders?

Stargate Bullet ships an update monthly, and Astro Invaders weekly. Most recently, Stargate Bullet was updated on October 14, 2026 and Astro Invaders on October 18, 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.*