Comparison

ST BLE Sensor Classic vs Lexmark Optra Edge

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 Classic

This app connects to ST development boards via Bluetooth Low Energy to access sensor data. It allows logging data to cloud providers and updating board firmware directly from your mobile device.

Highlights
  • Access sensor data
  • Log data to cloud providers
  • Update board firmware
  • Discover board functionalities
  • Supports motion-sensor data fusion
  • Activity recognition
  • Pedometer functionality
Features
Read full description

The ST BLE Sensor Classic 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. Cloud side, ST BLE Sensor can communicate with Microsoft Azure IoT Central, Aws IoT and ST Asset Tracking dashboard. 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

Lexmark Optra Edge

Features
Read full description

Receive timely alerts and insights from your Optra devices. Choose which workflows to get notified about, review past alerts, and make informed decisions — anytime, anywhere. Highlights: Real-time device alerts. Select and manage workflow notifications. Access historical alerts on the go. Stay informed. Take action.

Screenshots

ST BLE Sensor Classic4 screens
Lexmark Optra Edge3 screens

Verdict

The call

The clearest difference is update cadence: Lexmark Optra Edge at every 3 months against ST BLE Sensor Classic's every 6 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ST BLE Sensor Classic ships an update every 6 months, Lexmark Optra Edge every 3 months. The most recent releases landed on September 17, 2026 and May 18, 2026 respectively.

Scorecard1 real difference · 8 level
ST BLE Sensor Classic versus Lexmark Optra Edge: the parameters behind the verdict, then further details
ParameterST BLE Sensor ClassicLexmark Optra Edge
PriceFreeFree
Rating2.3 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size71 MB31 MB
Age rating4+4+
DeveloperSTMicroelectronicsLexmark International, Inc.

In-app purchases

None

ST BLE Sensor Classic

No in-app purchases

None

Lexmark Optra Edge

No in-app purchases

Questions

Is ST BLE Sensor Classic free?
ST BLE Sensor Classic is free to download, with no in-app purchases.
Is Lexmark Optra Edge free?
Lexmark Optra Edge is free to download, with no in-app purchases.
Do ST BLE Sensor Classic or Lexmark Optra Edge have ads?
Neither ST BLE Sensor Classic nor Lexmark Optra Edge shows ads.
Which is updated more often, ST BLE Sensor Classic or Lexmark Optra Edge?
ST BLE Sensor Classic ships an update every 6 months, and Lexmark Optra Edge every 3 months. Most recently, ST BLE Sensor Classic was updated on September 17, 2026 and Lexmark Optra Edge on May 18, 2026.

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