# 龙城助手 vs YonderClock

The clearest difference is ads: YonderClock at none against 龙城助手's shown. YonderClock also leads on update cadence (daily vs every 2 months). 龙城助手's advantage is device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 龙城助手 sells 1 one-off in-app purchase and YonderClock sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

龙城助手 ships an update every 2 months, YonderClock daily. The most recent releases landed on October 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 龙城助手 | YonderClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/yonderclock/id6762817899/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | — | Freemium |
| Size | 26 MB | 106 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [宇亮 王](https://appshunter.io/developer/1865756625) | [Guangzhou Black Box Network Technology Co., Ltd.](https://appshunter.io/developer/1526609856) |

## What reviewers say

### 龙城助手

[App page](https://appshunter.io/ios/app/id6757288796)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $0.99 | one-time |


### YonderClock

[App page](https://appshunter.io/ios/app/yonderclock/id6762817899)

Experience a dynamic view of the world's time zones through real-time 3D aerial perspectives of global landmarks. Watch as the scene changes every 15 minutes, showcasing morning, noon, or dusk across different cities. Collect visited landmarks and see your progress on a world map.

**Highlights:** Real-time 3D aerial views of landmarks, Dynamic scene changes every 15 minutes, Collection of visited landmarks, World map progress tracking, Home screen widget, Unlimited landmark shuffling (PRO)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Year-Pro | $9.99 | per year |
| Buyout-PRO | $16.49 | one-time |


## Frequently asked questions

### Is 龙城助手 free?

龙城助手 is free to download, with in-app purchases available.

### Is YonderClock free?

YonderClock is free to download, with in-app purchases available.

### Do 龙城助手 or YonderClock have ads?

龙城助手 shows ads; YonderClock does not.

### Which is updated more often, 龙城助手 or YonderClock?

龙城助手 ships an update every 2 months, and YonderClock daily. Most recently, 龙城助手 was updated on October 11, 2026 and YonderClock on September 27, 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.*