# Spaceship Rocket Simulator vs City Defender

The clearest difference is in-app purchases: Spaceship Rocket Simulator at none against City Defender's 2. Spaceship Rocket Simulator also leads on iOS requirement (13.0 vs 26.1). City Defender's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. City Defender sells 2 one-off in-app purchases. Spaceship Rocket Simulator asks for nothing beyond the download.

Spaceship Rocket Simulator ships an update every 6 weeks, City Defender every 3 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Spaceship Rocket Simulator | City Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (20 ratings)](https://appshunter.io/ios/app/spaceship-rocket-simulator/id6449421789/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 143 MB | 5 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Muhammad Rashid](https://appshunter.io/developer/1712841055) | [Narahari Allamraju](https://appshunter.io/developer/1384287741) |

## What reviewers say

### Spaceship Rocket Simulator

[App page](https://appshunter.io/ios/app/spaceship-rocket-simulator/id6449421789)

Build and launch custom rockets to explore the galaxy. Experience realistic orbital mechanics and discover new planets and alien life. Defend your civilizations from cosmic threats in this open-universe space flight simulator.

**Highlights:** Build custom rockets from parts, Realistic orbital mechanics, Explore open universe, Discover new planets and alien life, Defend planets from threats, Recreate favorite space flights

**Features:** macOS Compatibility

**In-app purchases:** none


### City Defender

[App page](https://appshunter.io/ios/app/city-defender/id6755328915)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Progress past level 2 | $0.49 | one-time |
| Honours and Achievements | $0.49 | one-time |


## Frequently asked questions

### Is Spaceship Rocket Simulator free?

Spaceship Rocket Simulator is free to download, with no in-app purchases.

### Is City Defender free?

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

### Do Spaceship Rocket Simulator or City Defender have ads?

Spaceship Rocket Simulator shows ads; City Defender does not.

### Which is updated more often, Spaceship Rocket Simulator or City Defender?

Spaceship Rocket Simulator ships an update every 6 weeks, and City Defender every 3 weeks. Most recently, Spaceship Rocket Simulator was updated on November 3, 2026 and City Defender on November 9, 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.*