# モンスト マルチ掲示板 & 攻略情報 vs 攻略アプリ〜逆転の書〜 for 逆転オセロニア

The clearest difference is review sentiment: 攻略アプリ〜逆転の書〜 for 逆転オセロニア at 58% against モンスト マルチ掲示板 & 攻略情報's 20%. 攻略アプリ〜逆転の書〜 for 逆転オセロニア also leads on ads (none vs shown) and monetization model (free vs ad-supported). モンスト マルチ掲示板 & 攻略情報's advantage is update cadence (every 4 weeks vs every 3 months) and iOS requirement (15.1 vs 17.0). 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.

モンスト マルチ掲示板 & 攻略情報 ships an update every 4 weeks, 攻略アプリ〜逆転の書〜 for 逆転オセロニア every 3 months. The most recent releases landed on September 27, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | モンスト マルチ掲示板 & 攻略情報 | 攻略アプリ〜逆転の書〜 for 逆転オセロニア |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **58.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 45 MB | 25 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [GameWith, Inc.](https://appshunter.io/developer/1116030660) | [SKILL-POOL Inc.](https://appshunter.io/developer/1781587540) |

## What reviewers say

### モンスト マルチ掲示板 & 攻略情報

[App page](https://appshunter.io/ios/app/and/id1116030661)

This app provides comprehensive guides and community features for a popular monster-collecting game. It offers an automated multiplayer matching system, a detailed monster encyclopedia with up-to-date ratings, and complete quest walkthroughs. Connect with other players and stay informed about daily in-game events.

**Highlights:** Automated multiplayer matching, Monster encyclopedia with ratings, Quest and boss battle walkthroughs, Daily event schedules, Gacha simulator, Community connection

**Features:** Vision Pro support

**In-app purchases:** none


### 攻略アプリ〜逆転の書〜 for 逆転オセロニア

[App page](https://appshunter.io/ios/app/for/id1149258978)

This app provides comprehensive data and tools for the popular game "Gyakuten Othello Nia". Features include character stats, a deck simulator, strategy guides, and a damage calculator to enhance gameplay.

**Highlights:** Character stats and skill information, Deck simulator for strategy planning, Othello strategy guides and practice board, Damage calculation tool, Past successful deck analysis, Icon maker for social media

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is モンスト マルチ掲示板 & 攻略情報 free?

モンスト マルチ掲示板 & 攻略情報 is free to download, with no in-app purchases.

### Is 攻略アプリ〜逆転の書〜 for 逆転オセロニア free?

攻略アプリ〜逆転の書〜 for 逆転オセロニア is free to download, with no in-app purchases.

### Do モンスト マルチ掲示板 & 攻略情報 or 攻略アプリ〜逆転の書〜 for 逆転オセロニア have ads?

モンスト マルチ掲示板 & 攻略情報 shows ads; 攻略アプリ〜逆転の書〜 for 逆転オセロニア does not.

### Which is updated more often, モンスト マルチ掲示板 & 攻略情報 or 攻略アプリ〜逆転の書〜 for 逆転オセロニア?

モンスト マルチ掲示板 & 攻略情報 ships an update every 4 weeks, and 攻略アプリ〜逆転の書〜 for 逆転オセロニア every 3 months. Most recently, モンスト マルチ掲示板 & 攻略情報 was updated on September 27, 2026 and 攻略アプリ〜逆転の書〜 for 逆転オセロニア on June 10, 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.*