Sentrius Sensor App vs RRTool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sentrius Sensor App
Configure wireless sensors and their LoRa keys with an intuitive interface. Adjust BLE and LoRa radio settings, manage temperature and humidity sensors, and analyze wireless performance. Update device firmware over-the-air and visualize sensor data trends.
- Wireless commissioning interface
- BLE and LoRa radio configuration
- Temperature & Humidity sensor setup
- Wireless interface analysis
- Over-the-air firmware updates
- Sensor data visualization
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It provides an easy to use wireless commissioning interface for LoRa keys configuration to the Sensor. The rich feature set enables users to configure both BLE and LoRa radio interfaces, configure Temperature & Humidity Sensors, analyse and troubleshoot wireless interfaces, display sensor data over time and even update the device firmware OTA.
RRTool
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RRTool is the extended features companion app to your RR1090 digital refractometer and similar Bay Area Instruments devices. It communicates via encrypted BLE with your device, mirroring its buttons and providing extended functionalities such as: cloud spreadsheet logging of your measurements, enabling of ATC for Brix, QR code generation and device firmware upgrades.
Screenshots
Verdict
The clearest difference is update cadence: Sentrius Sensor App at every 2 months against RRTool's every 4 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.
Sentrius Sensor App ships an update every 2 months, RRTool every 4 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.
| Parameter | Sentrius Sensor App | RRTool |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.6 — better | 14.0 |
| Further details — not scored | ||
| Size | 81 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Ezurio LLC | Bay Area Instruments Inc. |
In-app purchases
Sentrius Sensor App
No in-app purchases
RRTool
No in-app purchases









