# 译牛云同传 vs TransKoi

The clearest difference is in-app purchases: 译牛云同传 at none against TransKoi's 6. TransKoi's advantage is update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TransKoi sells 6 in-app purchases, starting at $0.99 per 7 days. 译牛云同传 asks for nothing beyond the download.

译牛云同传 ships an update every 6 months, TransKoi fortnightly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 译牛云同传 | TransKoi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 123 MB | 22 MB |
| Requires iOS | **13.0** | 14 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DizSoft](https://appshunter.io/developer/537903375) | [厦门智伽科技有限公司](https://appshunter.io/developer/1851952936) |

## What reviewers say

### 译牛云同传

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

**Features:** Vision Pro support

**In-app purchases:** none


### TransKoi

[App page](https://appshunter.io/ios/app/transkoi/id6746327674)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscribe | $0.99 | per 7 days |
| monthly subscribe | $1.99 | per month |
| 周会员 | $0.99 | one-time |
| 订阅 | $1.99 | one-time |
| 月度会员 | $3.99 | one-time |
| 年度会员 | $9.99 | one-time |


## 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 TransKoi free?

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

### Do 译牛云同传 or TransKoi have ads?

Neither 译牛云同传 nor TransKoi shows ads.

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

译牛云同传 ships an update every 6 months, and TransKoi fortnightly. Most recently, 译牛云同传 was updated on October 11, 2026 and TransKoi on October 3, 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.*