# Thermometer vs Thermostat Controller

The clearest difference is review sentiment: Thermostat Controller at 100% against Thermometer's 30%. Thermostat Controller also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Thermometer's advantage is ratings volume (4.2K vs 1) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Thermometer sells 1 one-off in-app purchase. Thermostat Controller asks for nothing beyond the download.

Thermostat Controller holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Thermometer has 4.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 30% of Thermometer's written reviews are positive against 100% of Thermostat Controller's.

Thermometer ships an update every 2 months, Thermostat Controller weekly. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Thermometer | Thermostat Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (4.2K ratings)](https://appshunter.io/ios/app/thermometer/id357949214/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermostat-controller/id6502414185/reviews)** |
| Number of ratings | **4.2K** | 1 |
| Positive reviews | 29.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Morcos](https://appshunter.io/developer/1453181584) | [JASON QUARTZ](https://appshunter.io/developer/1745379151) |

## What reviewers say

### Thermometer

[App page](https://appshunter.io/ios/app/thermometer/id357949214)

This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.

**Highlights:** Real-time outdoor temperature display, Location-based temperature readings, Local weather condition reports, Temperature checks for other cities, Celsius and Fahrenheit support, Universal app for all devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Temperature Forecast | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick temperature display
- 💡 Useful for checking outdoor temperature

**What reviewers complain about**

- 🐛 Inaccurate temperature readings
- 🔍 Doesn't measure room/indoor temperature
- 💤 Doesn't update temperature in real-time
- 🔋 High battery consumption
- 📢 Excessive ads even in paid version

**Reported bugs**

- App crashes frequently
- Doesn't detect location properly
- Reported temperatures are inconsistent

**Requested features**

- Option to display indoor temperature
- Real-time temperature updates
- Ability to set temperature alerts/alarms


### Thermostat Controller

[App page](https://appshunter.io/ios/app/thermostat-controller/id6502414185)

Monitor and adjust your Venstar thermostat's temperature, humidity, and fan settings directly from your phone. View current and historical runtime data. Receive optional notifications for state changes.

**Highlights:** View current temperature and humidity, Adjust set temperature, Change heating/cooling mode, Control fan settings, Monitor daily runtime history, Optional state change notifications

**In-app purchases:** none


## Frequently asked questions

### Is Thermometer free?

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

### Is Thermostat Controller free?

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

### Which has better reviews, Thermometer or Thermostat Controller?

Thermostat Controller is rated higher. Thermometer averages 4.4 out of 5 from 4.2K ratings, while Thermostat Controller averages 5.0 from 1 ratings.

### Do Thermometer or Thermostat Controller have ads?

Thermometer shows ads; Thermostat Controller does not.

### Which is updated more often, Thermometer or Thermostat Controller?

Thermometer ships an update every 2 months, and Thermostat Controller weekly. Most recently, Thermometer was updated on October 20, 2026 and Thermostat Controller on October 2, 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.*