# Astro Shock Zero vs Starbolt

The clearest difference is in-app purchases: Astro Shock Zero at none against Starbolt's 7. Starbolt's advantage is update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Starbolt sells 7 one-off in-app purchases. Astro Shock Zero asks for nothing beyond the download.

Astro Shock Zero ships an update weekly, Starbolt daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | Astro Shock Zero | Starbolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/starbolt-space-shooter/id6766359556/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 169 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Pena](https://appshunter.io/developer/1473707001) | [FIRAT CAN YASAR](https://appshunter.io/developer/1896280495) |

## What reviewers say

### Astro Shock Zero

[App page](https://appshunter.io/ios/app/astro-shock-zero/id6763540957)

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

**In-app purchases:** none


### Starbolt

[App page](https://appshunter.io/ios/app/starbolt-space-shooter/id6766359556)

Pilot the last starship in a galaxy overrun by aliens. Engage in fast-paced retro arcade combat across 10 worlds, with both campaign and endless modes. Unlock and upgrade a fleet of starships, master unique weapons, and climb the global leaderboards.

**Highlights:** Campaign mode with 10 worlds and 100 chapters, Infinite mode with endless escalating waves, Unlockable starships with unique stats, Fluid auto-fire combat with one-thumb controls, Boss battles with multi-phase attack patterns, Offline play for campaign mode, Global leaderboard

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Diamonds | $0.99 | one-time |
| Weekly Deal | $0.99 | one-time |
| 50 Diamonds | $1.99 | one-time |
| Starter Pack | $2.99 | one-time |
| 120 Diamonds | $4.99 | one-time |
| 250 Diamonds | $9.99 | one-time |
| 500 Diamonds | $19.99 | one-time |


## Frequently asked questions

### Is Astro Shock Zero free?

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

### Is Starbolt free?

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

### Do Astro Shock Zero or Starbolt have ads?

Both Astro Shock Zero and Starbolt show ads.

### Which is updated more often, Astro Shock Zero or Starbolt?

Astro Shock Zero ships an update weekly, and Starbolt daily. Most recently, Astro Shock Zero was updated on October 25, 2026 and Starbolt on October 25, 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.*