microbitBLE vs GHZ state
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
microbitBLE
Connect your smartphone to a micro:bit device via Bluetooth. Send text from your keyboard to display on the micro:bit's LED, and receive messages sent from the micro:bit. Ideal for interactive coding projects and learning.
- Bluetooth UART connection
- Send text to micro:bit LED
- Receive messages from micro:bit
- Button press triggers messages
- Interactive coding projects
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It is an application that allows you to connect the micro:bit Bluetooth UART. When you hit the keyboard of your smartphone, characters will be displayed on the LED of the micro:bit. Displays the characters sent from the micro:bit. In the sample, when the A button is pressed, Hello is sent and displayed on the smartphone. Usage 1. program the micro:bit 2. The micro:bit start and wait for Bluetooth connection (in the sample, a square mark is displayed) 3. Press the "connect to micro:bit" button in the app 4. When the connection is complete, the square display in the middle (transmission character display) will turn black and a check mark will appear on the micro:bit. 5. Hit the keyboard and the character will be displayed on the micro:bit 6. When you press the A button on the micro:bit, "Hello" is displayed in the "received message" part of the app 7. Press the "disconnect from micro:bit" button to disconnect Bluetooth and display a cross mark on the micro:bit
GHZ state
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This app represents the quantum circuit for Greenberger-Horne-Zeilinger state. You can find GHZ states for various initial states.
Screenshots
Verdict
microbitBLE and GHZ state are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | microbitBLE | GHZ state |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.5 — better | 16 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Atsushi Yamada | Sungjun Kim |
In-app purchases
microbitBLE
No in-app purchases
GHZ state
No in-app purchases
Questions
Is microbitBLE free?
Is GHZ state free?
Do microbitBLE or GHZ state have ads?
Other comparisons
