# ZTW vs XC

The clearest difference is rating: XC at 3.6 against ZTW's 1.0. XC also leads on review sentiment (33% vs 0%) and ratings volume (8 vs 2). 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.

XC holds the better App Store score, 3.6 against 1.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 0% of ZTW's written reviews are positive against 33% of XC's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ZTW | XC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/ztw/id1639898771/reviews) | **[3.6 (8 ratings)](https://appshunter.io/ios/app/xc-link/id6477151244/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 8 MB | 35 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen ZTW Model Science&Technology Co.,Ltd](https://appshunter.io/developer/1681012514) | [Shenzhen XC-ESC Technology Co., Ltd.](https://appshunter.io/developer/1728620083) |

## What reviewers say

### ZTW

[App page](https://appshunter.io/ios/app/ztw/id1639898771)

Connects your mobile device to your ESC via Bluetooth to adjust parameters, view data, and update firmware. Offers essential control for electronic speed controllers.

**Highlights:** Bluetooth ESC connection, Parameter adjustment, Data viewing, Firmware upgrades

**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 ZTW free?

ZTW 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, ZTW or XC?

XC is rated higher. ZTW averages 1.0 out of 5 from 2 ratings, while XC averages 3.6 from 8 ratings.

### Do ZTW or XC have ads?

Neither ZTW nor XC shows ads.

### Which is updated more often, ZTW or XC?

ZTW ships an update every 3 months, and XC every 3 months. Most recently, ZTW was updated on October 13, 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.*