ISD Go vs XDFLY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISD Go
Control and manage wireless smart devices with a user-friendly interface. Connect and operate devices via Bluetooth, and receive automatic firmware updates when new versions are available.
- Connect BLE smart devices
- Wireless device operation
- Automatic firmware detection
- Firmware upgrades
- User-friendly interface
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ISD GO is an APP specially used to connect Aster wireless smart devices, so as to provide users with a more convenient and user-friendly user interface to operate Aster's smart devices. We have added the following features in ISD GO: 1. Bind Esther BLE (Bluetooth Low Energy) smart device Users can bind Aster Bluetooth smart devices with their mobile phones, so that they can wirelessly access and operate the devices through their mobile phones. 2. Firmware upgrade When a new device firmware is released on the official website of Esther, ISD GO will automatically detect it, so as to realize the firmware upgrade of the smart device.
XDFLY
Connects to your device's Bluetooth to adjust ESC parameters, view data, and upgrade firmware. Offers a direct link for managing electronic speed controllers.
- Bluetooth ESC connection
- Parameter adjustment
- Data viewing
- Firmware upgrades
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XDFLY 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: ISD Go at 1.8 against XDFLY's 1.0. ISD Go also leads on update cadence (weekly vs every 5 weeks) and review sentiment (19% vs 0%). On price, ads, in-app purchases and monetization model 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 Go holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: ISD Go has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 19% of ISD Go's written reviews are positive against 0% of XDFLY's.
ISD Go ships an update weekly, XDFLY every 5 weeks. The most recent releases landed on July 8, 2026 and September 8, 2026 respectively.
| Parameter | ISD Go | XDFLY |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (30 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 18.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 30 — better | 1 |
| Update frequency | Weekly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 26 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | SHENZHEN ISD TECHNOLOGY CO.,LTD | 鹏 杜 |
Customer experience
ISD Go
XDFLY
In-app purchases
ISD Go
No in-app purchases
XDFLY
No in-app purchases









