# 当火车鸣笛三秒 vs 栖云异梦2

The clearest difference is rating: 栖云异梦2 at 5.0 against 当火车鸣笛三秒's 2.5. 栖云异梦2 also leads on review sentiment (100% vs 81%). 当火车鸣笛三秒's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

栖云异梦2 holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 81% of 当火车鸣笛三秒's written reviews are positive against 100% of 栖云异梦2's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 当火车鸣笛三秒 | 栖云异梦2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/id1592834113/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/2/id6745078800/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 81.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | — | Ad-supported |
| Size | 673 MB | 597 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [欢 刘](https://appshunter.io/developer/1334601605) | [杭州山灰猫网络科技有限公司](https://appshunter.io/developer/1810624034) |

## What reviewers say

### 当火车鸣笛三秒

[App page](https://appshunter.io/ios/app/id1592834113)

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

**In-app purchases:** none


### 栖云异梦2

[App page](https://appshunter.io/ios/app/2/id6745078800)

Embark on a thrilling mystery adventure to uncover the truth behind a past attack and a hidden conspiracy. Explore ancient lands, solve mind-bending puzzles, and unravel a story that spans millennia. This sequel offers unique gameplay and a captivating narrative.

**Highlights:** Intriguing mystery narrative, Creative and challenging puzzles, Unique gameplay mechanics, Visually distinct art styles, Engaging story progression

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

**In-app purchases:** none


## Frequently asked questions

### Is 当火车鸣笛三秒 free?

当火车鸣笛三秒 is free to download, with no in-app purchases.

### Is 栖云异梦2 free?

栖云异梦2 is free to download, with no in-app purchases.

### Which has better reviews, 当火车鸣笛三秒 or 栖云异梦2?

栖云异梦2 is rated higher. 当火车鸣笛三秒 averages 2.5 out of 5 from 2 ratings, while 栖云异梦2 averages 5.0 from 3 ratings.

### Do 当火车鸣笛三秒 or 栖云异梦2 have ads?

栖云异梦2 shows ads; 当火车鸣笛三秒 does not.

### Which is updated more often, 当火车鸣笛三秒 or 栖云异梦2?

当火车鸣笛三秒 ships an update monthly, and 栖云异梦2 monthly. Most recently, 当火车鸣笛三秒 was updated on October 20, 2026 and 栖云异梦2 on October 17, 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.*