Drake Equation Calculator vs microbitBLE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drake Equation Calculator
Calculate the number of communicative extraterrestrial civilizations in our galaxy using the Drake Equation. This educational tool provides a straightforward way to explore the factors involved in estimating alien life.
- Drake Equation calculation
- Extraterrestrial civilization estimation
- Educational tool
- Scientific exploration
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This app is a tool for calculating the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy using the Drake Equation.
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
Screenshots
Verdict
The clearest difference is rating: Drake Equation Calculator at 5.0 against microbitBLE's 2.0. Drake Equation Calculator also leads on ratings volume (6 vs 1) and iOS requirement (11.0 vs 15.5). microbitBLE's advantage is update cadence (every 2 months vs every 20 months). On price, in-app purchases, monetization model and device support 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.
Drake Equation Calculator holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Drake Equation Calculator has 6 ratings behind it against 1, so its average is the more settled of the two.
Drake Equation Calculator ships an update every 20 months, microbitBLE every 2 months. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.
| Parameter | Drake Equation Calculator | microbitBLE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 62 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | PHILIP MOK | Atsushi Yamada |
Customer experience
Drake Equation Calculator
microbitBLE
In-app purchases
Drake Equation Calculator
No in-app purchases
microbitBLE
No in-app purchases
Questions
Is Drake Equation Calculator free?
Is microbitBLE free?
Which has better reviews, Drake Equation Calculator or microbitBLE?
Which is updated more often, Drake Equation Calculator or microbitBLE?
Other comparisons
