# Parallel Earth vs Space Attack

The clearest difference is ads: Space Attack at none against Parallel Earth's shown. Space Attack also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.3 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Parallel Earth ships an update every 3 months, Space Attack weekly. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Parallel Earth | Space Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-attack-cosmos-arena/id6793962515/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 185 MB | 5 MB |
| Requires iOS | 17.0 | **15.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Sui Fai Law](https://appshunter.io/developer/1889201616) | [PatStudio LLC](https://appshunter.io/developer/1850975110) |

## What reviewers say

### Parallel Earth

[App page](https://appshunter.io/ios/app/parallel-earth/id6763534884)

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

**In-app purchases:** none


### Space Attack

[App page](https://appshunter.io/ios/app/space-attack-cosmos-arena/id6793962515)

Engage in a fast-paced idle space arcade experience where tapping earns in-game currency. Challenge friends in real-time PvP battles across various mini-games, collect unique skins and ships, and progress through seasonal rewards.

**Highlights:** Idle mining for in-game currency, Real-time PvP battles, Collectible pilot skins and ships, Seasonal Battle Pass rewards, Multiple arcade mini-games, Prestige system for permanent boosts

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

**In-app purchases:** none


## Frequently asked questions

### Is Parallel Earth free?

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

### Is Space Attack free?

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

### Do Parallel Earth or Space Attack have ads?

Parallel Earth shows ads; Space Attack does not.

### Which is updated more often, Parallel Earth or Space Attack?

Parallel Earth ships an update every 3 months, and Space Attack weekly. Most recently, Parallel Earth was updated on October 19, 2026 and Space Attack on October 3, 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.*