Free Link vs ZTW
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Free Link
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.
- Device management
- Tool software
- Compatible with Wuxi Frsky products
- Free to use
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A tool software applied to Wuxi Frsky Electronic Co., Ltd
ZTW
Connects your mobile device to your ESC via Bluetooth to adjust parameters, view data, and update firmware. Offers essential control for electronic speed controllers.
- Bluetooth ESC connection
- Parameter adjustment
- Data viewing
- Firmware upgrades
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ZTW establishes a connection through the Bluetooth of the mobile phone and the Bluetooth of the ESC, so as to realize the functions of adjusting the parameters of the ESC, viewing the data, and upgrading the firmware.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Free Link | ZTW |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (3 ratings) — better | 1.0 (4 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 50 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | FrSky Electronic Co ., Ltd. | Shenzhen ZTW Model Science&Technology Co.,Ltd |
Customer experience
Free Link
ZTW
In-app purchases
Free Link
No in-app purchases
ZTW
No in-app purchases
