# SensorBlue vs The Thermometer

The clearest difference is rating: The Thermometer at 4.7 against SensorBlue's 3.2. The Thermometer also leads on ratings volume (564 vs 14). SensorBlue's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. The Thermometer sells 4 in-app purchases, starting at $1.99 per month. SensorBlue asks for nothing beyond the download.

The Thermometer holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: The Thermometer has 564 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 46% of SensorBlue's written reviews are positive against 54% of The Thermometer's.

SensorBlue ships an update every 6 weeks, The Thermometer monthly. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SensorBlue | The Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (14 ratings)](https://appshunter.io/ios/app/sensorblue/id1480793901/reviews) | **[4.7 (564 ratings)](https://appshunter.io/ios/app/the-thermometer-digital/id6450627697/reviews)** |
| Number of ratings | 14 | **564** |
| Positive reviews | 46.5% of reviews | **53.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 62 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [苏华 赵](https://appshunter.io/developer/1480793900) | [Vida Apps Incorporated](https://appshunter.io/developer/1580682451) |

## What reviewers say

### SensorBlue

[App page](https://appshunter.io/ios/app/sensorblue/id1480793901)

Easily monitor temperature and humidity conditions affecting your belongings. Pair the app with a compatible sensor to view real-time environmental status. Export historical data for analysis.

**Highlights:** Real-time temp and humidity monitoring, Easy sensor pairing, Support for over 100 devices, Data export to CSV, 10-minute data recording interval

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup and connection
- 📈 Accurate readings
- 💰 Good value for money
- 🏠 Useful for home monitoring
- 💡 Calibration feature available

**What reviewers complain about**

- 🐛 App crashes frequently
- 📉 Logging feature unreliable
- ⏳ Slow synchronization
- ❌ Notifications not working reliably
- 📊 Graph display issues

**Reported bugs**

- App stopped working, garbage readouts
- Calibration does not work
- Sensor freezes and stops reporting
- Unable to reset after data import
- Sensor fails to log data

**Requested features**

- Support for shortcuts/Siri
- Widget for home screen
- iPad version of the app
- Russian language support
- Absolute Humidity calculation


### The Thermometer

[App page](https://appshunter.io/ios/app/the-thermometer-digital/id6450627697)

This app functions as a digital thermometer and hygrometer, displaying outdoor temperature and humidity for any location worldwide. It offers real-time updates, customizable colors, and unit selection. A premium plan adds multi-location saving and removes ads.

**Highlights:** Outdoor temperature and humidity display, Real-time automatic updates, Global location data, Customizable color schemes, Celsius/Fahrenheit selection, Save multiple locations (Premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads - 1 Month | $1.99 | per month |
| Premium Plan - 1 Month | $4.99 | per month |
| No Ads - 1 Year | $19.99 | per year |
| Premium Plan - 1 Year | $49.99 | per year |


## Frequently asked questions

### Is SensorBlue free?

SensorBlue is free to download, with no in-app purchases.

### Is The Thermometer free?

The Thermometer is free to download, with in-app purchases available.

### Which has better reviews, SensorBlue or The Thermometer?

The Thermometer is rated higher. SensorBlue averages 3.2 out of 5 from 14 ratings, while The Thermometer averages 4.7 from 564 ratings.

### Do SensorBlue or The Thermometer have ads?

The Thermometer shows ads; SensorBlue does not.

### Which is updated more often, SensorBlue or The Thermometer?

SensorBlue ships an update every 6 weeks, and The Thermometer monthly. Most recently, SensorBlue was updated on September 23, 2026 and The Thermometer on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*