# ISD Link vs XC

The clearest difference is rating: XC at 3.6 against ISD Link's 2.1. XC also leads on review sentiment (33% vs 21%). ISD Link's advantage is update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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.

XC holds the better App Store score, 3.6 against 2.1. Both are backed by a comparable volume of ratings — 23 and 8 respectively. Written reviews point the same way: 21% of ISD Link's written reviews are positive against 33% of XC's.

ISD Link ships an update every 3 weeks, XC every 3 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ISD Link | XC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (23 ratings)](https://appshunter.io/ios/app/isd-link/id1568620244/reviews) | **[3.6 (8 ratings)](https://appshunter.io/ios/app/xc-link/id6477151244/reviews)** |
| Number of ratings | **23** | 8 |
| Positive reviews | 21.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 61 MB | 35 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [Shenzhen XC-ESC Technology Co., Ltd.](https://appshunter.io/developer/1728620083) |

## What reviewers say

### 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


### XC

[App page](https://appshunter.io/ios/app/xc-link/id6477151244)

Connect to your ESC via Bluetooth to adjust settings, view real-time and stored operational data like voltage and temperature, and perform firmware upgrades. Remotely restart your ESC for convenient control.

**Highlights:** Parameter settings, Real-time data display, Stored data reading, Firmware upgrades, Remote restart

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

**In-app purchases:** none


## Frequently asked questions

### Is ISD Link free?

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

### Is XC free?

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

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

XC is rated higher. ISD Link averages 2.1 out of 5 from 23 ratings, while XC averages 3.6 from 8 ratings.

### Do ISD Link or XC have ads?

Neither ISD Link nor XC shows ads.

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

ISD Link ships an update every 3 weeks, and XC every 3 months. Most recently, ISD Link was updated on October 12, 2026 and XC on October 8, 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.*