# 反转21克 vs 江山北望

The clearest difference is price: 反转21克 at Free against 江山北望's $0.99. 反转21克 also leads on iOS requirement (13.0 vs 15.0). 江山北望's advantage is update cadence (daily vs every 4 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

反转21克 is free to download; 江山北望 costs $0.99 up front. 反转21克 sells 7 one-off in-app purchases and 江山北望 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

反转21克 ships an update every 4 months, 江山北望 daily. The most recent releases landed on October 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 反转21克 | 江山北望 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[1.8 (5 ratings)](https://appshunter.io/ios/app/id6761360838/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 30.0% of reviews | **30.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 2.1 GB | 191 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Muqiu](https://appshunter.io/developer/1705358554) | [上海影游网络科技有限公司](https://appshunter.io/developer/1774173010) |

## What reviewers say

### 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 |


### 江山北望

[App page](https://appshunter.io/ios/app/id6761360838)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁完整游戏 | $3.99 | one-time |


## Frequently asked questions

### Is 反转21克 free?

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

### Is 江山北望 free?

江山北望 costs $0.99, and also offers in-app purchases.

### Do 反转21克 or 江山北望 have ads?

Neither 反转21克 nor 江山北望 shows ads.

### Which is updated more often, 反转21克 or 江山北望?

反转21克 ships an update every 4 months, and 江山北望 daily. Most recently, 反转21克 was updated on October 3, 2026 and 江山北望 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.*