# Rroom2 vs 雑学ノック

The clearest difference is in-app purchases: 雑学ノック at none against Rroom2's 1. 雑学ノック also leads on update cadence (every 2 days vs weekly). Rroom2's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Rroom2 sells 1 one-off in-app purchase. 雑学ノック asks for nothing beyond the download.

Rroom2 ships an update weekly, 雑学ノック every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rroom2 | 雑学ノック |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/rroom2/id6749896370/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 264 MB | 30 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [RISA MITSUHIRO](https://appshunter.io/developer/1787782816) | [Ryota Yashima](https://appshunter.io/developer/1845144176) |

## What reviewers say

### Rroom2

[App page](https://appshunter.io/ios/app/rroom2/id6749896370)

A casual 2D escape game designed for beginners and intermediate players. Tap rooms to find items, solve puzzles, and use your wits to escape. Features auto-save and a stylish retro design.

**Highlights:** Tap to get items, Solve puzzles to escape, Use items and mechanisms, Auto-save function, Stylish 2D retro design, Hint system available

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Room2_exploration | $0.99 | one-time |


### 雑学ノック

[App page](https://appshunter.io/ios/app/id6757201044)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rroom2 free?

Rroom2 is free to download, with in-app purchases available.

### Is 雑学ノック free?

雑学ノック is free to download, with no in-app purchases.

### Do Rroom2 or 雑学ノック have ads?

Both Rroom2 and 雑学ノック show ads.

### Which is updated more often, Rroom2 or 雑学ノック?

Rroom2 ships an update weekly, and 雑学ノック every 2 days. Most recently, Rroom2 was updated on October 30, 2026 and 雑学ノック on October 25, 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.*