Comparison

microbitBLE vs SAT Exam Review

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Bluetooth UART connection
  • Send text to micro:bit LED
  • Receive messages from micro:bit
  • Button press triggers messages
  • Interactive coding projects
Features
Read full description

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

About

SAT Exam Review

Features
Read full description

SAT Exam Prep is your all-in-one study tool designed to help students prepare efficiently and effectively. Whether you're aiming for a perfect score or just want to boost your performance, our app covers everything you need to succeed. Key Features: Interactive Quizzes: Practice with thousands of SAT-style questions with detailed explanations across Math, Reading, and Writing sections and more... Smart Flashcards: Memorize key concepts, formulas, and vocabulary with customizable flashcards and more... Full-Length Mock Exams: Simulate real SAT exams with timed mock tests. Progress Tracking: Monitor your performance and identify areas for improvement with intuitive analytics. Perfect for students, tutors, and anyone serious about acing the SAT. Stay organized, stay motivated, and get ready to score high! IMPORTANT DISCLAIMER: This is an independent educational app and is not associated with any government or educational institution. SUBSCRIPTION INFORMATION: If you opt to purchase a Premium or Boost subscription, the subscription fee will be charged to your iTunes account. The yearly subscription automatically renews, but you can disable auto-renewal at least 24 hours before the end of the subscription period in your iTunes account settings. After purchase, any unused portion of the free trial is forfeited. You can manage your premium subscription and turn off the auto-renewal feature in your iTunes account settings. Read our full Terms of Use: https://flutterdragon.com/terms-of-use

Screenshots

microbitBLE3 screens
SAT Exam Review4 screens

Verdict

The call

The clearest difference is in-app purchases: microbitBLE at none against SAT Exam Review's 2. microbitBLE also leads on ads (none vs shown) and update cadence (every 2 months vs every 7 months). SAT Exam Review's advantage is iOS requirement (13.0 vs 15.5). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SAT Exam Review sells 2 in-app purchases, starting at $3.99 per 7 days. microbitBLE asks for nothing beyond the download.

UpkeepUpdate frequency

microbitBLE ships an update every 2 months, SAT Exam Review every 7 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 5 level
microbitBLE versus SAT Exam Review: the parameters behind the verdict, then further details
ParametermicrobitBLESAT Exam Review
PriceFreeFree
Rating2.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size2 MB45 MB
Age rating4+4+
DeveloperAtsushi YamadaZakaria Ferzazi

In-app purchases

None

microbitBLE

No in-app purchases

2 purchases

SAT Exam Review

Subscriptions2
  • Weekly Premium3 Days trial$3.997 Days
  • Yearly Premium$24.991 Year

Questions

Is microbitBLE free?
microbitBLE is free to download, with no in-app purchases.
Is SAT Exam Review free?
SAT Exam Review is free to download, with in-app purchases available.
Do microbitBLE or SAT Exam Review have ads?
SAT Exam Review shows ads; microbitBLE does not.
Which is updated more often, microbitBLE or SAT Exam Review?
microbitBLE ships an update every 2 months, and SAT Exam Review every 7 months. Most recently, microbitBLE was updated on October 24, 2026 and SAT Exam Review on October 12, 2026.

Other comparisons