# Keep Skiing vs Retro Invader Cosmic Shooter

The clearest difference is ads: Keep Skiing at none against Retro Invader Cosmic Shooter's shown. Keep Skiing also leads on iOS requirement (6.0 vs 15.1). Retro Invader Cosmic Shooter's advantage is update cadence (every 7 months vs every 22 months). 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.

Keep Skiing ships an update every 22 months, Retro Invader Cosmic Shooter every 7 months. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Keep Skiing | Retro Invader Cosmic Shooter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 7 months** |
| Size | 19 MB | 40 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chuanming Chang](https://appshunter.io/developer/1001571025) | [Masaki Kenneth Micheal Akita](https://appshunter.io/developer/1851346156) |

## What reviewers say

### Keep Skiing

[App page](https://appshunter.io/ios/app/keep-skiing/id1066914961)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Invader Cosmic Shooter

[App page](https://appshunter.io/ios/app/retro-invader-cosmic-shooter/id6758686837)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keep Skiing free?

Keep Skiing is free to download, with no in-app purchases.

### Is Retro Invader Cosmic Shooter free?

Retro Invader Cosmic Shooter is free to download, with no in-app purchases.

### Do Keep Skiing or Retro Invader Cosmic Shooter have ads?

Retro Invader Cosmic Shooter shows ads; Keep Skiing does not.

### Which is updated more often, Keep Skiing or Retro Invader Cosmic Shooter?

Keep Skiing ships an update every 22 months, and Retro Invader Cosmic Shooter every 7 months. Most recently, Keep Skiing was updated on November 2, 2026 and Retro Invader Cosmic Shooter on October 28, 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.*