# Parallel Earth vs Sky Empire Fighter

The clearest difference is ads: Sky Empire Fighter at none against Parallel Earth's shown. Sky Empire Fighter also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, 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, Sky Empire Fighter every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Parallel Earth | Sky Empire Fighter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sky-empire-fighter/id6788676689/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 185 MB | 174 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Sui Fai Law](https://appshunter.io/developer/1889201616) | [Ahmad Elhawary](https://appshunter.io/developer/1896747540) |

## 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


### Sky Empire Fighter

[App page](https://appshunter.io/ios/app/sky-empire-fighter/id6788676689)

Pilot a fighter jet through waves of enemies in this retro-inspired arcade shooter. Dodge attacks, collect upgrades, and battle epic bosses to achieve the highest score. Unlock new aircraft and abilities for endless aerial combat fun.

**Highlights:** Retro-style vertical shooter gameplay, Endless mode with increasing difficulty, Epic boss battles, Powerful upgrades, Unlockable aircraft skins, Smooth controls and visual effects

**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 Sky Empire Fighter free?

Sky Empire Fighter is free to download, with no in-app purchases.

### Do Parallel Earth or Sky Empire Fighter have ads?

Parallel Earth shows ads; Sky Empire Fighter does not.

### Which is updated more often, Parallel Earth or Sky Empire Fighter?

Parallel Earth ships an update every 3 months, and Sky Empire Fighter every 2 months. Most recently, Parallel Earth was updated on November 9, 2026 and Sky Empire Fighter on October 31, 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.*