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.
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.
- Access sensor data
- Log data to cloud providers
- Update board firmware
- Discover board functionalities
- Supports motion-sensor data fusion
- Activity recognition
- Pedometer functionality
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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
Lexmark Optra Edge
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | ST BLE Sensor Classic | Lexmark Optra Edge |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 71 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | STMicroelectronics | Lexmark International, Inc. |
In-app purchases
ST BLE Sensor Classic
No in-app purchases
Lexmark Optra Edge
No in-app purchases
Questions
Is ST BLE Sensor Classic free?
Is Lexmark Optra Edge free?
Do ST BLE Sensor Classic or Lexmark Optra Edge have ads?
Which is updated more often, ST BLE Sensor Classic or Lexmark Optra Edge?
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