# 游信 vs 反转21克

The clearest difference is in-app purchases: 游信 at none against 反转21克's 10. 游信 also leads on update cadence (every 3 weeks vs every 4 months). 反转21克's advantage is review sentiment (30% vs 0%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 反转21克 sells 7 one-off in-app purchases. 游信 asks for nothing beyond the download.

游信 ships an update every 3 weeks, 反转21克 every 4 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 游信 | 反转21克 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **30.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 2.1 GB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [武汉玩信网络科技有限公司](https://appshunter.io/developer/1434387074) | [Muqiu](https://appshunter.io/developer/1705358554) |

## What reviewers say

### 游信

[App page](https://appshunter.io/ios/app/id1540268075)

This app is dedicated to recommending high-quality games to passionate players, offering a comprehensive service. It focuses on showcasing the true essence of gaming, free from excessive commercialization, and provides in-depth reviews and detailed game information.

**Highlights:** Curated game recommendations, In-depth game reviews, Detailed game databases, Pure gaming atmosphere, Diverse game types and tags, Real player testing and scoring

**Features:** macOS Compatibility

**In-app purchases:** none


### 反转21克

[App page](https://appshunter.io/ios/app/21/id6502326026)

Embark on a thrilling sci-fi detective adventure where your choices shape the narrative. Uncover conspiracies, engage in intense combat, and explore a futuristic world with multiple branching storylines and endings.

**Highlights:** Immersive detective gameplay, Branching storylines and multiple endings, Cinematic visual and audio experience, Professional martial arts choreography, Futuristic sci-fi world, Character interactions and romance options

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买小花 | $0.99 | one-time |
| 兑换货币 | $0.99 | one-time |
| 兑换货币 | $1.99 | one-time |
| 兑换货币 | $3.99 | one-time |
| 兑换货币 | $4.99 | one-time |
| 全部章节购买 | $5.99 | one-time |
| 购买小花 | $9.99 | one-time |


## Frequently asked questions

### Is 游信 free?

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

### Is 反转21克 free?

反转21克 is free to download, with in-app purchases available.

### Do 游信 or 反转21克 have ads?

Neither 游信 nor 反转21克 shows ads.

### Which is updated more often, 游信 or 反转21克?

游信 ships an update every 3 weeks, and 反转21克 every 4 months. Most recently, 游信 was updated on October 10, 2026 and 反转21克 on October 3, 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.*