ET Bluetooth Controller
By (주)한국공학기술연구원
ET Bluetooth Controller is a utility for connecting and managing ET-Board educational hardware via Bluetooth on iOS.
The App DNA
What makes this app unique?
It removes the technical barrier for students to monitor onboard analog sensors and exchange raw data with IoT hardware in classroom settings.
For Students and educators using ET-Board hardware for software coding and IoT education.
What does it look like?
Key features
Displays real-time data from onboard variable resistor, light, and temperature sensors.
Sends and receives raw data values between the mobile device and the connected hardware.
Scans for nearby Bluetooth-enabled hardware for connection to the ET-Board.
How much does it cost?
The app is provided as a free utility to support the sale and operation of proprietary educational hardware.
Velocity
Dormant developmentopaqueShow more...
ET Bluetooth Controller has seen no development activity for 748 days. The project is currently in a zombie state, as no feature updates, bug fixes, or operational changes have been deployed in over two years. There is no evidence of ongoing maintenance or support for the platform.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for ET Bluetooth Controller
How's the Utilities market?
ET Bluetooth Controller occupies a niche utility role for ET-Board users, with no public chart ranking data available to indicate broader market penetration.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for ET Bluetooth Controller
Where is it heading?
The market for educational IoT utilities is shifting toward hardware-agnostic tools that offer frequent updates and broader device support. ET Bluetooth Controller remains stable for its current user base, but the lack of active development leaves it vulnerable to displacement by more modern, actively maintained alternatives.
- The two-year update gap indicates a maintenance-only posture, which limits the app's ability to adapt to future mobile OS requirements.
The SWOT
- Proprietary hardware integration provides a dedicated, zero-friction interface for ET-Board users
- Expanding terminal interface to support cross-platform data logging for advanced student projects
Next best moves
Audit compatibility with current iOS versions because the app has been dormant for 24 months → prevent potential user churn
The counter-intuitive read
The lack of updates is not necessarily a failure…
Read the full takeSince the last report: The app remains in a dormant state with no functional updates, but the competitive assessment has sharpened to emphasize the risk of displacement by modern, hardware-agnostic alternatives.
Bottom line
ET Bluetooth Controller serves its purpose as a hardware-specific utility, but the two-year update gap risks eventual obsolescence. Verifying OS compatibility would protect the existing user base without requiring a full feature overhaul.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is ET Bluetooth Controller compatible with non-ET-Board hardware?
Does ET Bluetooth Controller require a paid subscription?
What is a good alternative if I need a more frequently updated Bluetooth terminal?
Sources
- [1] App Store listing
Report last updated