# サイレント・ボム 協力ゲーム 爆弾解除 vs Katam

The clearest difference is in-app purchases: Katam at none against サイレント・ボム 協力ゲーム 爆弾解除's 4. Katam also leads on ads (none vs shown). サイレント・ボム 協力ゲーム 爆弾解除's advantage is update cadence (fortnightly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. サイレント・ボム 協力ゲーム 爆弾解除 sells 4 one-off in-app purchases. Katam asks for nothing beyond the download.

サイレント・ボム 協力ゲーム 爆弾解除 ships an update fortnightly, Katam every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | サイレント・ボム 協力ゲーム 爆弾解除 | Katam |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 14 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [RAITO SASAGAWA](https://appshunter.io/developer/6780805981) | [seiji honda](https://appshunter.io/developer/1896430544) |

## What reviewers say

### サイレント・ボム 協力ゲーム 爆弾解除

[App page](https://appshunter.io/ios/app/id6783998499)

A cooperative party game where players verbally guide each other to defuse bombs or escape prison cells. It requires two smartphones and communication skills to succeed before time runs out.

**Highlights:** Cooperative bomb defusal, Escape prison mode, Voice-guided communication, Two-player gameplay, Multiple game modes, Campaign and endless modes, Hint system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ヒント券 12枚 | $0.99 | one-time |
| 広告を消す | $2.99 | one-time |
| ヒント券 50枚 | $2.99 | one-time |
| ヒント無制限 | $5.99 | one-time |


### Katam

[App page](https://appshunter.io/ios/app/katam-kerow/id6785136424)

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

**In-app purchases:** none


## Frequently asked questions

### Is サイレント・ボム 協力ゲーム 爆弾解除 free?

サイレント・ボム 協力ゲーム 爆弾解除 is free to download, with in-app purchases available.

### Is Katam free?

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

### Do サイレント・ボム 協力ゲーム 爆弾解除 or Katam have ads?

サイレント・ボム 協力ゲーム 爆弾解除 shows ads; Katam does not.

### Which is updated more often, サイレント・ボム 協力ゲーム 爆弾解除 or Katam?

サイレント・ボム 協力ゲーム 爆弾解除 ships an update fortnightly, and Katam every 5 weeks. Most recently, サイレント・ボム 協力ゲーム 爆弾解除 was updated on October 31, 2026 and Katam on October 31, 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.*