Free Link vs ISD Link
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
ISD Link
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.
- Smart device interaction
- Local data saving
- No account registration
- Bluetooth connectivity
- Supports numerous device models
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ISD Link is an APP specially designed for smart device interaction. 1. ISD Link does not have an account registration function, and all data on the device is saved locally and will not be uploaded to remote servers. It promises not to collect user information. 2. During use of ISD Link, Bluetooth needs to be turned on for device scanning and connection. 3.ISD Link supports the following devices: TESTV co-branded model PB25DW, TESTV co-branded model PB40, MAG20, PB70W, PB40, PB50DW, PB10DW, PB25DW, ZIP, Power200 series, EDGE, NP2GO, 608PD, A8Air, A4Air, Air8, C4Air, B80 /B60, K4, X16, K2Air, NP2Air, LP2Air.
Screenshots
Verdict
The clearest difference is rating: ISD Link at 2.1 against Free Link's 1.3. ISD Link also leads on review sentiment (21% vs 0%) and ratings volume (23 vs 3). Free Link's advantage is iOS requirement (10.0 vs 13.0). On price, update cadence, ads and in-app purchases 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.
ISD Link holds the better App Store score, 2.1 against 1.3. That said, the two scores are not equally well evidenced: ISD Link has 23 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 21% of ISD Link's.
Free Link ships an update every 5 weeks, ISD Link every 3 weeks. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.
| Parameter | Free Link | ISD Link |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (3 ratings) | 2.1 (23 ratings) — better |
| Positive reviews | 0.0% of reviews | 21.0% of reviews — better |
| Number of ratings | 3 | 23 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 50 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | FrSky Electronic Co ., Ltd. | 深圳艾斯特创新科技有限公司 |
Customer experience
Free Link
ISD Link
In-app purchases
Free Link
No in-app purchases
ISD Link
No in-app purchases
