# Sillage vs YonderClock

The clearest difference is update cadence: YonderClock at daily against Sillage's every 2 weeks. Sillage's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sillage sells 4 in-app purchases, starting at $2.99 per month 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.

Sillage ships an update every 2 weeks, YonderClock daily. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sillage | 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 | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | — | Freemium |
| Size | 154 MB | 106 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [俊 柳](https://appshunter.io/developer/1875136302) | [Guangzhou Black Box Network Technology Co., Ltd.](https://appshunter.io/developer/1526609856) |

## What reviewers say

### Sillage

[App page](https://appshunter.io/ios/app/sillage-map-your-journey/id6758825434)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $5.99 | per 3 months |
| Annual Plan | $17.99 | per year |
| Sillage Plus Lifetime | $29.99 | 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 Sillage free?

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

### Is YonderClock free?

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

### Do Sillage or YonderClock have ads?

Neither Sillage nor YonderClock shows ads.

### Which is updated more often, Sillage or YonderClock?

Sillage ships an update every 2 weeks, and YonderClock daily. Most recently, Sillage was updated on October 4, 2026 and YonderClock on October 12, 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.*