# Free Link vs ISD Go

The clearest difference is rating: ISD Go at 1.8 against Free Link's 1.3. ISD Go also leads on update cadence (weekly vs every 5 weeks) and review sentiment (19% 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.

ISD Go holds the better App Store score, 1.8 against 1.3. That said, the two scores are not equally well evidenced: ISD Go has 31 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Free Link's written reviews are positive against 19% of ISD Go's.

Free Link ships an update every 5 weeks, ISD Go weekly. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Free Link | ISD Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/free-link/id1208371375/reviews) | **[1.8 (31 ratings)](https://appshunter.io/ios/app/isd-go/id1447072980/reviews)** |
| Number of ratings | 3 | **31** |
| Positive reviews | 0.0% of reviews | **18.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 50 MB | 26 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [FrSky Electronic Co ., Ltd.](https://appshunter.io/developer/1208371374) | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) |

## What reviewers say

### Free Link

[App page](https://appshunter.io/ios/app/free-link/id1208371375)

This utility tool is designed for users of Wuxi Frsky Electronic Co., Ltd. products. It provides essential functionality for managing and interacting with compatible devices. The application is free to download and use.

**Highlights:** Device management, Tool software, Compatible with Wuxi Frsky products, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### ISD Go

[App page](https://appshunter.io/ios/app/isd-go/id1447072980)

Control and manage wireless smart devices with a user-friendly interface. Connect and operate devices via Bluetooth, and receive automatic firmware updates when new versions are available.

**Highlights:** Connect BLE smart devices, Wireless device operation, Automatic firmware detection, Firmware upgrades, User-friendly interface

**In-app purchases:** none

**What reviewers like**

- 👍 Easy firmware updates (sometimes)
- 👍 Practical app interface
- 👍 Works for some users
- 👍 Good hardware functionality (without app)

**What reviewers complain about**

- 🐛 Frequent connection drops (Bluetooth)
- 🐛 Firmware update failures
- 🐛 Device not detected
- 🐛 App crashes
- 🐛 Inaccurate readings/settings

**Reported bugs**

- App crashes during updates
- Device not recognized by app
- Abnormal network connection for firmware server
- App not updated for current iOS
- Bluetooth not reconnecting

**Requested features**

- Update app for current iOS
- Fix firmware update issues
- Improve Bluetooth connection stability
- Allow discharging to lower voltages (e.g., 0.0V)
- Increase discharge current options


## Frequently asked questions

### Is Free Link free?

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

### Is ISD Go free?

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

### Which has better reviews, Free Link or ISD Go?

ISD Go is rated higher. Free Link averages 1.3 out of 5 from 3 ratings, while ISD Go averages 1.8 from 31 ratings.

### Do Free Link or ISD Go have ads?

Neither Free Link nor ISD Go shows ads.

### Which is updated more often, Free Link or ISD Go?

Free Link ships an update every 5 weeks, and ISD Go weekly. Most recently, Free Link was updated on September 30, 2026 and ISD Go on October 24, 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.*