Comparison

ST BLE Sensor vs Lecture Translation

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

Head to head
About

ST BLE Sensor

This app connects to ST development boards via Bluetooth Low Energy to access sensor data. You can log data to cloud providers, update board firmware, and explore various demo functionalities like environmental sensing and machine learning.

Highlights
  • Access sensor data
  • Log data to cloud
  • Update board firmware
  • Explore demo functionalities
  • Bluetooth Low Energy communication
  • Motion-sensor data fusion
Features
Read full description

The ST BLE Sensor application is used in conjunction with an ST development board and firmware compatible with the BlueST protocol to give you access to all the sensor data, which you can log to different cloud providers, and to update the board firmware directly from a mobile device via the Bluetooth® Low Energy protocol. After discovery ST development board, the app shows you a list of available demos and you can navigate through them to discover the functionalities of your board. Demos can be related about environmental, cloud, audio, board configuration, machine learning and and many other functionalities. The application is built on top of the BlueST SDK library implementing the BlueST protocol and helps you export the data easily via Bluetooth® Low Energy. The application also supports firmware library algorithms like motion-sensor data fusion, activity recognition and pedometer functionality. Both SDK and application source code are freely available at: https://github.com/STMicroelectronics

About

Lecture Translation

Features
Read full description

Elevate your public speaking and global outreach with our cutting-edge translation app. By subscribing, you can instantly translate your live speeches, lectures, and presentations into up to 143 languages in real time. Listeners only need to open the app—no subscription required—to follow along via text or audio translation, ensuring that your message resonates with everyone, everywhere. Whether you’re leading an international conference, teaching a diverse classroom, or hosting a press event, our solution eliminates language barriers and fosters true engagement. Simply speak, and your words will be delivered in multiple languages simultaneously, helping you connect with a broader audience than ever before. Using our dedicated platform at https://khutbah-tv-host.vercel.app/, mosques can display real-time translations of your khutbahs on TVs or large screens. This feature ensures that diverse worshippers, regardless of their native language, can follow your message with ease, fostering inclusivity and understanding within the community. Your subscription allows you to select the languages you need and customize your plan. From educators wanting to support multilingual students to corporations aiming to captivate a global clientele, our app adapts to any scenario. Enjoy the freedom of seamless communication, expand your reach, and unlock new opportunities for growth and understanding. Experience clarity, impact, and unparalleled convenience. Subscribe today and let your voice be heard by the world.

Screenshots

ST BLE Sensor4 screens
Lecture Translation3 screens

Verdict

The call

The clearest difference is in-app purchases: ST BLE Sensor at none against Lecture Translation's 9. Lecture Translation's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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. Lecture Translation sells 9 in-app purchases, starting at $2.99 per month. ST BLE Sensor asks for nothing beyond the download.

UpkeepUpdate frequency

ST BLE Sensor ships an update every 2 months, Lecture Translation every 6 weeks. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
ST BLE Sensor versus Lecture Translation: the parameters behind the verdict, then further details
ParameterST BLE SensorLecture Translation
PriceFreeFree
Rating2.0 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size55 MB92 MB
Age rating4+17+
DeveloperSTMicroelectronicsIT Source One

In-app purchases

None

ST BLE Sensor

No in-app purchases

9 purchases

Lecture Translation

Subscriptions6
  • Listener Basic$2.991 Month
  • Listener Standard$4.991 Month
  • Listener Premium$9.991 Month
Show 3 more
  • Speaker Basic$19.991 Month
  • Speaker Expanded$59.991 Month
  • Speaker Enterprise$199.991 Month
One-time3
  • Extra Hour$4.99
  • Additional Storage$4.99
  • One Time Lecture$5.99

Questions

Is ST BLE Sensor free?
ST BLE Sensor is free to download, with no in-app purchases.
Is Lecture Translation free?
Lecture Translation is free to download, with in-app purchases available.
Do ST BLE Sensor or Lecture Translation have ads?
Neither ST BLE Sensor nor Lecture Translation shows ads.
Which is updated more often, ST BLE Sensor or Lecture Translation?
ST BLE Sensor ships an update every 2 months, and Lecture Translation every 6 weeks. Most recently, ST BLE Sensor was updated on October 15, 2026 and Lecture Translation on October 3, 2026.

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