# Sectra Noise Shield vs ThinkSign_LedLinkBle

The clearest difference is device support: Sectra Noise Shield at 3 against ThinkSign_LedLinkBle's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sectra Noise Shield ships an update weekly, ThinkSign_LedLinkBle every 6 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sectra Noise Shield | ThinkSign_LedLinkBle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 2 MB | 25 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sectra AB](https://appshunter.io/developer/1468293063) | [xiangjun zhao](https://appshunter.io/developer/1848082622) |

## What reviewers say

### Sectra Noise Shield

[App page](https://appshunter.io/ios/app/sectra-noise-shield/id6737765292)

**Features:** macOS Compatibility

**In-app purchases:** none


### ThinkSign_LedLinkBle

[App page](https://appshunter.io/ios/app/thinksign-ledlinkble/id6757172262)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sectra Noise Shield free?

Sectra Noise Shield is free to download, with no in-app purchases.

### Is ThinkSign_LedLinkBle free?

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

### Do Sectra Noise Shield or ThinkSign_LedLinkBle have ads?

Neither Sectra Noise Shield nor ThinkSign_LedLinkBle shows ads.

### Which is updated more often, Sectra Noise Shield or ThinkSign_LedLinkBle?

Sectra Noise Shield ships an update weekly, and ThinkSign_LedLinkBle every 6 days. Most recently, Sectra Noise Shield was updated on October 25, 2026 and ThinkSign_LedLinkBle on October 12, 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.*