SpeedyBee App vs ISD Go
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 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.
Screenshots
Verdict
The clearest difference is rating: SpeedyBee App at 3.3 against ISD Go's 1.8. SpeedyBee App also leads on review sentiment (39% vs 19%) and ratings volume (121 vs 31). ISD Go's advantage is iOS requirement (11.0 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 1.8. Both are backed by a comparable volume of ratings — 121 and 31 respectively. Written reviews point the same way: 39% of SpeedyBee App's written reviews are positive against 19% of ISD Go's.
SpeedyBee App ships an update every 2 weeks, ISD Go weekly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | SpeedyBee App | ISD Go |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (121 ratings) — better | 1.8 (31 ratings) |
| Positive reviews | 38.9% of reviews — better | 18.5% of reviews |
| Number of ratings | 121 — better | 31 |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 295 MB | 26 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 Go
User reviews
SpeedyBee App
From 121 App Store ratingsWhat we love
- 🚀 Wireless field configuration without laptop
- 📱 Seamless Betaflight integration
- 🔧 Quick PID tuning adjustments in field
- ⚡ Fast Bluetooth connectivity
- 🎯 Comprehensive flight controller management
Room to improve
- 🐛 Frequent app crashes
- 📡 Unstable Bluetooth connections
- ❌ No wired/USB-C connection on iOS
- ⚠️ Poor iOS support compared to Android
- 🔋 Excessive battery drain
ISD Go
From 31 App Store ratingsWhat we love
- 👍 Easy firmware updates (sometimes)
- 👍 Practical app interface
- 👍 Works for some users
- 👍 Good hardware functionality (without app)
Room to improve
- 🐛 Frequent connection drops (Bluetooth)
- 🐛 Firmware update failures
- 🐛 Device not detected
- 🐛 App crashes
- 🐛 Inaccurate readings/settings
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
Show 15 moreShow fewer
- 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
Show 10 moreShow fewer
- 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 Go
Reported bugs
56 issues- App crashes during updates
- Device not recognized by app
- Abnormal network connection for firmware server
- App not updated for current iOS
- Bluetooth not reconnecting
Show 51 moreShow fewer
- Inaccurate current readings
- Device disconnected during update
- No device detected
- App corrupts N series chargers
- Batteries showing incorrect discharge status
- Unable to bind to FD-200
- Bluetooth will not connect
- Computer doesn't recognize charger
- App fails to download firmware
- Drag brake not engaging
- ESC not staying connected via Bluetooth
- Timeout messages
- CM1620: inaccurate battery/power display, cut-off info
- A8 Air not seen via USB or Bluetooth
- Unstable firmware update connection
- FD200: impossible to discharge below 3.0V, limited current options, preset conflicts
- N16 recognized as N8
- App shows 'Waiting for device'
- Bluetooth drops all the time
- Does not work on iOS 16.5
- Shows wrong device (N8 instead of 16N)
- Firmware version mismatch
- K4 locked on 'UPDATE' screen
- FD-200 disconnects during discharge
- FD-200 keeps discharging regardless of parameters
- App disconnects and won't reconnect
- FD200 Bluetooth disconnects all the time
- CM1620: unstable Bluetooth, incorrect charge level display
- App does not stay connected via Bluetooth
- ESC70: times out, loses connection, resets to factory settings
- FD-200 drops Bluetooth signal
- Bluetooth dropping constantly
- App loses connection to FD200
- H605 Air error code
- New version doesn't work with H605
- App crashes constantly
- App does not remember cut off voltage
- App loses binding to device
- Fails to connect to FD-200
- Difficulty re-establishing BT connection
- K4 won't connect
- Cannot connect to FD-200
- Bluetooth connection problem
- App doesn't find FD-200
- Bluetooth connection with iPad not working
- Cannot connect with iPad or Android
- H605 Air overvolts battery packs
- Incapable of balance charge
- Font size too big on iPhone SE
- Cell voltage not displayed correctly after update
- Manual calibration doesn't work
Requested features
13 requests- Update app for current iOS
- Fix firmware update issues
- Improve Bluetooth connection stability
- Allow discharging to lower voltages (e.g., 0.0V)
- Increase discharge current options
Show 8 moreShow fewer
- Fix preset conflicts
- Improve drag brake settings
- Add dark mode
- Add balance charge option
- Improve font size for smaller screens
- Allow landscape mode on iPad
- Add charge volume in %
- Add alarm for charged battery
In-app purchases
SpeedyBee App
No in-app purchases
ISD Go
No in-app purchases
