# RdPower vs ISD Link

The clearest difference is rating: ISD Link at 2.1 against RdPower's 1.7. ISD Link also leads on device support (4 vs 2). RdPower's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

ISD Link holds the better App Store score, 2.1 against 1.7. Both are backed by a comparable volume of ratings — 13 and 23 respectively. Written reviews point the same way: 17% of RdPower's written reviews are positive against 21% of ISD Link's.

RdPower ships an update every 2 weeks, ISD Link every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RdPower | ISD Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (13 ratings)](https://appshunter.io/ios/app/rdpower/id1485849488/reviews) | **[2.1 (23 ratings)](https://appshunter.io/ios/app/isd-link/id1568620244/reviews)** |
| Number of ratings | 13 | **23** |
| Positive reviews | 16.7% of reviews | **21.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 32 MB | 61 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, 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

### RdPower

[App page](https://appshunter.io/ios/app/rdpower/id1485849488)

Control and monitor your RD Series digital power supply via Wi-Fi. View real-time data, display operational curves, switch languages, and save curve data for analysis.

**Highlights:** Wi-Fi connection, Data display and operation, Curve display, Language switching, Curve data saving

**Features:** macOS Compatibility

**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 RdPower free?

RdPower 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, RdPower or ISD Link?

ISD Link is rated higher. RdPower averages 1.7 out of 5 from 13 ratings, while ISD Link averages 2.1 from 23 ratings.

### Do RdPower or ISD Link have ads?

Neither RdPower nor ISD Link shows ads.

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

RdPower ships an update every 2 weeks, and ISD Link every 3 weeks. Most recently, RdPower was updated on October 9, 2026 and ISD Link 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.*