# S vs NyeLink

The clearest difference is update cadence: NyeLink at every 6 weeks against S's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

S ships an update every 3 months, NyeLink every 6 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | S | NyeLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 88 MB | 38 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zhejiang Chisage New Energy Technology Co., Ltd](https://appshunter.io/developer/1748964853) | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-boost/id6477367283)

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

**In-app purchases:** none


### NyeLink

[App page](https://appshunter.io/ios/app/nyelink/id6781127918)

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is NyeLink free?

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

### Do S or NyeLink have ads?

Neither S nor NyeLink shows ads.

### Which is updated more often, S or NyeLink?

S ships an update every 3 months, and NyeLink every 6 weeks. Most recently, S was updated on October 10, 2026 and NyeLink on October 11, 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.*