# SHADOW PROTOCOL vs Celsius Strays Prologue

The clearest difference is iOS requirement: SHADOW PROTOCOL at 13.0 against Celsius Strays Prologue's 15.0. On price, ads, 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.

## The numbers

| Metric | SHADOW PROTOCOL | Celsius Strays Prologue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 367 MB | 169 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [云鹏 黄](https://appshunter.io/developer/1894905059) | [Fabrice Breton](https://appshunter.io/developer/1178066432) |

## What reviewers say

### SHADOW PROTOCOL

[App page](https://appshunter.io/ios/app/shadow-protocol-zero/id6794192148)

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

**In-app purchases:** none


### Celsius Strays Prologue

[App page](https://appshunter.io/ios/app/celsius-strays-prologue/id6795293076)

This interactive visual novel prologue immerses you in a dystopian world where you lead a colony of rats against oppressive forces. Make critical choices, manage your team, and build relationships to shape the narrative. Experience a story with hand-drawn art, voice acting, and an original soundtrack.

**Highlights:** Interactive visual novel, Narrative choices, Team management, Hand-drawn character portraits, Fully voice acted, Original soundtrack

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

**In-app purchases:** none


## Frequently asked questions

### Is SHADOW PROTOCOL free?

SHADOW PROTOCOL is free to download, with no in-app purchases.

### Is Celsius Strays Prologue free?

Celsius Strays Prologue is free to download, with no in-app purchases.

### Do SHADOW PROTOCOL or Celsius Strays Prologue have ads?

Neither SHADOW PROTOCOL nor Celsius Strays Prologue shows ads.

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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.*