# Crimsooon Sun vs Ruin Dive

The clearest difference is price: Ruin Dive at Free against Crimsooon Sun's $1.99. Crimsooon Sun's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Ruin Dive is free to download; Crimsooon Sun costs $1.99 up front. Ruin Dive sells 1 one-off in-app purchase. Crimsooon Sun asks for nothing beyond the download.

Crimsooon Sun ships an update every 4 days, Ruin Dive every 10 days. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Crimsooon Sun | Ruin Dive |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | Paid | — |
| Size | 248 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kyohei Yamada](https://appshunter.io/developer/1583465790) | [Shimmoto Kotaro](https://appshunter.io/developer/6782057086) |

## What reviewers say

### Crimsooon Sun

[App page](https://appshunter.io/ios/app/crimsooon-sun/id6739424746)

Experience a unique mystery novel adventure where your intuition guides you through a captivating narrative. Deduce the truth by pulling the trigger on your interests, with no branching paths or game overs. Focus on unraveling the mystery as if reading a detective novel.

**Highlights:** Deductive reasoning gameplay, Linear narrative structure, Intuitive clue gathering, No multiple endings, Detective novel immersion, Single-shot deduction system

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

**In-app purchases:** none


### Ruin Dive

[App page](https://appshunter.io/ios/app/ruin-dive/id6782057084)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を削除 | $2.99 | one-time |


## Frequently asked questions

### Is Crimsooon Sun free?

Crimsooon Sun costs $1.99, with no in-app purchases.

### Is Ruin Dive free?

Ruin Dive is free to download, with in-app purchases available.

### Do Crimsooon Sun or Ruin Dive have ads?

Ruin Dive shows ads; Crimsooon Sun does not.

### Which is updated more often, Crimsooon Sun or Ruin Dive?

Crimsooon Sun ships an update every 4 days, and Ruin Dive every 10 days. Most recently, Crimsooon Sun was updated on November 4, 2026 and Ruin Dive 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.*