# SensorBlue vs Thermometer

The clearest difference is rating: Thermometer at 4.7 against SensorBlue's 3.2. Thermometer also leads on review sentiment (81% vs 46%). SensorBlue's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Thermometer sells 4 one-off in-app purchases. SensorBlue asks for nothing beyond the download.

Thermometer holds the better App Store score, 4.7 against 3.2. Both are backed by a comparable volume of ratings — 14 and 28 respectively. Written reviews point the same way: 46% of SensorBlue's written reviews are positive against 81% of Thermometer's.

SensorBlue ships an update every 6 weeks, Thermometer every 5 weeks. Both last shipped on October 12, 2026.

## The numbers

| Metric | SensorBlue | Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (14 ratings)](https://appshunter.io/ios/app/sensorblue/id1480793901/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/thermometer-plus/id1568977443/reviews)** |
| Number of ratings | 14 | **28** |
| Positive reviews | 46.5% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 62 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [苏华 赵](https://appshunter.io/developer/1480793900) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## 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


### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-plus/id1568977443)

Displays real-time outdoor temperature, sensible temperature, humidity, and barometric pressure based on your current location. Get accurate meteorological data from nearby stations to plan your day.

**Highlights:** Outdoor temperature display, Sensible temperature, Humidity readings, Barometric pressure, Wind speed and direction, Location-based data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is SensorBlue free?

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

### Is Thermometer free?

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

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

Thermometer is rated higher. SensorBlue averages 3.2 out of 5 from 14 ratings, while Thermometer averages 4.7 from 28 ratings.

### Do SensorBlue or Thermometer have ads?

Thermometer shows ads; SensorBlue does not.

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

SensorBlue ships an update every 6 weeks, and Thermometer every 5 weeks. Most recently, SensorBlue was updated on October 12, 2026 and Thermometer on October 12, 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.*