# USB扩展屏 vs Farsight

The clearest difference is update cadence: USB扩展屏 at daily against Farsight's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. USB扩展屏 sells 1 one-off in-app purchase and Farsight sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

USB扩展屏 ships an update daily, Farsight every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | USB扩展屏 | Farsight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 days |
| Size | 0 MB | 207 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [晓满 李](https://appshunter.io/developer/1515867430) | [登宇 郁](https://appshunter.io/developer/1820074017) |

## What reviewers say

### USB扩展屏

[App page](https://appshunter.io/ios/app/usb/id6502822709)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版 | $0.99 | one-time |


### Farsight

[App page](https://appshunter.io/ios/app/farsight-eye-care-rest-timer/id6763763982)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EyeCare Pro | $2.99 | one-time |


## Frequently asked questions

### Is USB扩展屏 free?

USB扩展屏 is free to download, with in-app purchases available.

### Is Farsight free?

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

### Do USB扩展屏 or Farsight have ads?

Neither USB扩展屏 nor Farsight shows ads.

### Which is updated more often, USB扩展屏 or Farsight?

USB扩展屏 ships an update daily, and Farsight every 10 days. Most recently, USB扩展屏 was updated on October 25, 2026 and Farsight on October 25, 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.*