SpeedyBee App vs ISD Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpeedyBee App
This application allows users to adjust flight controller parameters wirelessly via Bluetooth. It supports various flight controller firmwares and requires a compatible mobile device. Easily configure your drone's settings on the go.
- Wireless flight controller parameter adjustment
- Bluetooth connectivity
- Supports Betaflight, iNav, and Butterflight
- Automatic Bluetooth activation/deactivation (with SpeedyBee adapter)
- Mobile device configuration
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SpeedyBee is an Appllication for Flight controller parameters settings. Communication between mobile devices and flight control boards can be achieved through Bluetooth, you can use mobile devices to set the parameters of the flight controller.Any Bluetooth module compatible with your mobile device can be used, but if using the SpeedyBee Bluetooth-UART Adapter, this Bluetooth module will deactivate and activate automatically according to the status of the drone(armed/disarmed), no Bluetooth signal interference during the flight. Flight Controller Requirements: Betaflight firmware version ≥ 3.1.0 iNav FC version ≥ 1.8.1 Butterflight firmware version ≥ 3.1.0 System Requirements : iOS 13.0+ Instructions for use： 1.Connect the Bluetooth PCB with the UART interface of the Flight Controller, or use the flight controller integrated Bluetooth. 2.Open the Betaflight Configurator, on the Ports tab, open the Configuration/MSP port of the Bluetooth PCB, for the Bluettooth module of BLE4.0, 19200 is the recommended baud rate value. 3.Open the APP, connect the Flight Controller via Bluetooth, and you can adjust the parameters now.
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: SpeedyBee App at 3.3 against ISD Link's 2.1. SpeedyBee App also leads on review sentiment (39% vs 21%) and ratings volume (120 vs 23). ISD Link's advantage is iOS requirement (13.0 vs 15.0). 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.
SpeedyBee App holds the better App Store score, 3.3 against 2.1. That said, the two scores are not equally well evidenced: SpeedyBee App has 120 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 39% of SpeedyBee App's written reviews are positive against 21% of ISD Link's.
SpeedyBee App ships an update every 2 weeks, ISD Link every 3 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.
| Parameter | SpeedyBee App | ISD Link |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (120 ratings) — better | 2.1 (23 ratings) |
| Positive reviews | 38.6% of reviews — better | 21.0% of reviews |
| Number of ratings | 120 — better | 23 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 292 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | 珠海市快蜂科技有限公司 | 深圳艾斯特创新科技有限公司 |
Customer experience
SpeedyBee App
ISD Link
Bugs and requests
SpeedyBee App
Reported bugs
20 issues- App crashes on startup (iOS 13-17)
- Crashes when saving settings
- Crashes when accessing Blackbox tab
- Crashes when entering CLI commands
- Crashes when selecting motors in Betaflight
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- Crashes when accessing OSD configurator
- Landscape mode not working on iOS
- Bluetooth connection drops frequently
- Cannot connect to certain flight controllers
- Settings not saving properly
- Settings lost when switching between devices
- Mode range settings unreachable on screen
- Garbled CLI output
- Adapter bricking after failed connection
- Password prompt for SpeedyBee adapter
- White screen on app launch
- Not compatible with latest firmware versions
- Blackbox file crashes app
- WiFi connection fails for firmware updates
- App doesn't recognize saved PID settings from PC
Requested features
15 requests- INAV 8.0+ support (most requested)
- USB-C/OTG cable connection support
- Wired connection option for iOS
- PID Toolbox integration
- Blackbox log reading improvements
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- ExpressLRS WiFi connectivity
- BLHeli_32 ESC support
- Advanced tuning tabs for INAV
- Landscape mode fix for iOS
- Dark mode option
- French language translation
- Russian language support
- Chinese language support
- Backup functionality for iOS
- Map layer rendering for missions
ISD Link
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SpeedyBee App
No in-app purchases
ISD Link
No in-app purchases
