# Alien Invader Escape vs Ski Shift Running

Alien Invader Escape and Ski Shift Running are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Alien Invader Escape ships an update every 18 months, Ski Shift Running every 28 months. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Alien Invader Escape | Ski Shift Running |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 18 months** | Every 28 months |
| Size | 14 MB | 169 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tang Cho man](https://appshunter.io/developer/592719186) | [KAKAK](https://appshunter.io/developer/1501395145) |

## What reviewers say

### Alien Invader Escape

[App page](https://appshunter.io/ios/app/alien-invader-escape/id858894874)

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

**In-app purchases:** none


### Ski Shift Running

[App page](https://appshunter.io/ios/app/ski-shift-running/id1583459321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alien Invader Escape free?

Alien Invader Escape is free to download, with no in-app purchases.

### Is Ski Shift Running free?

Ski Shift Running is free to download, with no in-app purchases.

### Do Alien Invader Escape or Ski Shift Running have ads?

Both Alien Invader Escape and Ski Shift Running show ads.

### Which is updated more often, Alien Invader Escape or Ski Shift Running?

Alien Invader Escape ships an update every 18 months, and Ski Shift Running every 28 months. Most recently, Alien Invader Escape was updated on September 26, 2026 and Ski Shift Running on October 8, 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.*