# TransKoi vs SimulLink

The clearest difference is in-app purchases: SimulLink at none against TransKoi's 6. TransKoi's advantage is update cadence (fortnightly vs every 4 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. SimulLink asks for nothing beyond the download.

TransKoi ships an update fortnightly, SimulLink every 4 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TransKoi | SimulLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 22 MB | 367 MB |
| Requires iOS | 14 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [厦门智伽科技有限公司](https://appshunter.io/developer/1851952936) | [Shenzhen Sensei Technology Co.](https://appshunter.io/developer/1611721631) |

## What reviewers say

### 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 |


### SimulLink

[App page](https://appshunter.io/ios/app/simullink/id6752274180)

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

**In-app purchases:** none


## Frequently asked questions

### Is TransKoi free?

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

### Is SimulLink free?

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

### Do TransKoi or SimulLink have ads?

Neither TransKoi nor SimulLink shows ads.

### Which is updated more often, TransKoi or SimulLink?

TransKoi ships an update fortnightly, and SimulLink every 4 months. Most recently, TransKoi was updated on September 16, 2026 and SimulLink on September 10, 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.*