# 译牛云同传 vs Yan AI

The clearest difference is update cadence: Yan AI at every 3 days against 译牛云同传's every 6 months. 译牛云同传's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

译牛云同传 ships an update every 6 months, Yan AI every 3 days. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 译牛云同传 | Yan AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Size | 123 MB | 77 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DizSoft](https://appshunter.io/developer/537903375) | [TUN LIANG](https://appshunter.io/developer/1076509991) |

## What reviewers say

### 译牛云同传

[App page](https://appshunter.io/ios/app/id6479304629)

**Features:** Vision Pro support

**In-app purchases:** none


### Yan AI

[App page](https://appshunter.io/ios/app/yan-ai/id6742533670)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 译牛云同传 free?

译牛云同传 is free to download, with no in-app purchases.

### Is Yan AI free?

Yan AI is free to download, with no in-app purchases.

### Do 译牛云同传 or Yan AI have ads?

Neither 译牛云同传 nor Yan AI shows ads.

### Which is updated more often, 译牛云同传 or Yan AI?

译牛云同传 ships an update every 6 months, and Yan AI every 3 days. Most recently, 译牛云同传 was updated on September 25, 2026 and Yan AI on September 28, 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.*