RDTTool vs TempPro Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RDTTool
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RDTTool is an APP that obtains temperature data through a Bluetooth connection. Use the APP and connect to Bluetooth to obtain data, and directly view the temperature curve and data. It can realize remote monitoring and measurement and save data automatically. This APP needs to be connected to a dedicated bluetooth thermometer for use.
TempPro Sensor
Monitor real-time temperature and humidity with historical data up to one year. Receive alerts when readings fall outside your set range, ensuring optimal conditions.
- Real-time temperature display
- Real-time humidity display
- Heat index display
- Historical data up to one year
- Customizable alarm function
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The TempPro Sensor APP, formerly known as ThermoPro Sensor, is designed to receive the temperature and humidity values measured by thermometers made by the industry leader TempPro. The APP displays real time temperature, humidity, heat index etc. Additionally, it can store historic data up to two years. An alarm function will alert you when the temperature or humidity is out of the set range.
Screenshots
Verdict
The clearest difference is iOS requirement: RDTTool at 9.0 against TempPro Sensor's 13.1. On price, update cadence, ads and in-app purchases 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.
RDTTool ships an update monthly, TempPro Sensor every 2 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.
| Parameter | RDTTool | TempPro Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (11K ratings) — better |
| Positive reviews | — | 46.1% of reviews |
| Number of ratings | — | 11K — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Radiance Instruments Ltd | iTronics Co., Limited |
Bugs and requests
RDTTool
Not enough reviews yet to summarise bugs or requests.
TempPro Sensor
Reported bugs
3 issues- App unable to reconnect to sensors after closing
- Temperature and humidity history data not displaying correctly
- Sensor discovery issues after app updates
Requested features
4 requests- Add ability to export data to CSV
- Improve notification system to send alerts even when app is closed
- Add option to change sensor names
- Improve graph functionality to show more detailed historical data
In-app purchases
RDTTool
No in-app purchases
TempPro Sensor
No in-app purchases
