# RuiDeng vs ISD Link

The clearest difference is rating: RuiDeng at 3.0 against ISD Link's 2.1. ISD Link's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (21% vs 0%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RuiDeng holds the better App Store score, 3.0 against 2.1. That said, the two scores are not equally well evidenced: ISD Link has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of RuiDeng's written reviews are positive against 21% of ISD Link's, so the app with the better star average is not the one people write more warmly about.

RuiDeng ships an update every 3 months, ISD Link every 3 weeks. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | RuiDeng | ISD Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ruideng/id1550070005/reviews)** | [2.1 (23 ratings)](https://appshunter.io/ios/app/isd-link/id1568620244/reviews) |
| Number of ratings | 2 | **23** |
| Positive reviews | 0.0% of reviews | **21.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 61 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [亮亮 刘](https://appshunter.io/developer/1439150212) | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) |

## What reviewers say

### RuiDeng

[App page](https://appshunter.io/ios/app/ruideng/id1550070005)

Connect to and manage various devices wirelessly. Display device information and control them via Wi-Fi and Bluetooth. Offers a straightforward way to interact with your hardware.

**Highlights:** Wireless device communication, Device information display, Wi-Fi connectivity, Bluetooth connectivity, Device control

**In-app purchases:** none


### ISD Link

[App page](https://appshunter.io/ios/app/isd-link/id1568620244)

This app allows interaction with various smart devices. It prioritizes user privacy by saving all data locally and not collecting personal information. Bluetooth is required for device scanning and connection.

**Highlights:** Smart device interaction, Local data saving, No account registration, Bluetooth connectivity, Supports numerous device models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RuiDeng free?

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

### Is ISD Link free?

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

### Which has better reviews, RuiDeng or ISD Link?

RuiDeng is rated higher. RuiDeng averages 3.0 out of 5 from 2 ratings, while ISD Link averages 2.1 from 23 ratings.

### Do RuiDeng or ISD Link have ads?

Neither RuiDeng nor ISD Link shows ads.

### Which is updated more often, RuiDeng or ISD Link?

RuiDeng ships an update every 3 months, and ISD Link every 3 weeks. Most recently, RuiDeng was updated on September 21, 2026 and ISD Link on September 25, 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.*