# Free Link vs ZTW

The clearest difference is rating: Free Link at 1.3 against ZTW's 1.0. Free Link also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (10.0 vs 12.4). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Free Link holds the better App Store score, 1.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Free Link ships an update every 5 weeks, ZTW every 3 months. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Free Link | ZTW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (3 ratings)](https://appshunter.io/ios/app/free-link/id1208371375/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/ztw/id1639898771/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 50 MB | 8 MB |
| Requires iOS | **10.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FrSky Electronic Co ., Ltd.](https://appshunter.io/developer/1208371374) | [Shenzhen ZTW Model Science&Technology Co.,Ltd](https://appshunter.io/developer/1681012514) |

## 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


### 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


## Frequently asked questions

### Is Free Link free?

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

### Is ZTW free?

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

### Which has better reviews, Free Link or ZTW?

Free Link is rated higher. Free Link averages 1.3 out of 5 from 3 ratings, while ZTW averages 1.0 from 4 ratings.

### Do Free Link or ZTW have ads?

Neither Free Link nor ZTW shows ads.

### Which is updated more often, Free Link or ZTW?

Free Link ships an update every 5 weeks, and ZTW every 3 months. Most recently, Free Link was updated on September 30, 2026 and ZTW 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.*