Comparison

ST BLE Sensor vs Arbo3

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

Arbo3

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Arbo3 System One is the ultimate solution for those seeking clean and healthy living. In this detailed summary, we explore the full range of features and capabilities that Arbo3 System One offers. This innovative IoT smart device utilizes a network of cloud-connected Ozone (O3) generators and sensors, all managed through an intuitive smartphone app. With the ability to customize your preferences, you can tailor your Arbo3 System One to suit your needs perfectly. The user-defined web portal provides complete visibility and control over all Arbo3 devices in your network, along with valuable analytics data. The cloud service leverages the latest protocols and tools from AWS, ensuring top-notch performance. Arbo3 System One includes two hardware components, Oscar and Rose, each designed to enhance your indoor air quality. The mobile app keeps track of your devices, schedules, and modes, ensuring you have worry-free, clean air. With modes like Routine, Manual, Turbo, and Mobile, you have the flexibility to choose how your Arbo3 System One operates. The app provides remote control and real-time notifications, putting you in charge of your environment's ozone levels. Whether you prefer scheduled operation, sensor-based control, intense cleaning, or mobile use, Arbo3 System One has you covered. For each mode, make sure to activate the ON/OFF button for seamless device operation. Arbo3 empowers you to enjoy clean and healthy air wherever you go. Stay informed with insights into your ozone level data, from past to present, and take control of the quality of air you deserve. With Arbo3 System One, clean and healthy living is just a tap away!

Screenshots

ST BLE Sensor4 screens
Arbo32 screens

Verdict

The call

ST BLE Sensor and Arbo3 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 ships an update every 2 months, Arbo3 every 6 weeks. The most recent releases landed on June 19, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences
ST BLE Sensor versus Arbo3: the parameters behind the verdict, then further details
ParameterST BLE SensorArbo3
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 purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size55 MB34 MB
Age rating4+4+
DeveloperSTMicroelectronics International N.V.Arbo3 Inc.

In-app purchases

None

ST BLE Sensor

No in-app purchases

None

Arbo3

No in-app purchases

Questions

Is ST BLE Sensor free?
ST BLE Sensor is free to download, with no in-app purchases.
Is Arbo3 free?
Arbo3 is free to download, with no in-app purchases.
Do ST BLE Sensor or Arbo3 have ads?
Neither ST BLE Sensor nor Arbo3 shows ads.
Which is updated more often, ST BLE Sensor or Arbo3?
ST BLE Sensor ships an update every 2 months, and Arbo3 every 6 weeks. Most recently, ST BLE Sensor was updated on June 19, 2026 and Arbo3 on September 11, 2026.

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