# Thermometer vs Water Temperature

The clearest difference is price: Thermometer at Free against Water Temperature's $2.99. Thermometer also leads on rating (4.4 vs 3.5) and update cadence (every 2 months vs every 16 months). Water Temperature's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Thermometer is free to download; Water Temperature costs $2.99 up front. Thermometer sells 1 one-off in-app purchase. Water Temperature asks for nothing beyond the download.

Thermometer holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: Thermometer has 4.2K ratings behind it against 4, 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 20% of Water Temperature's.

Thermometer ships an update every 2 months, Water Temperature every 16 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Thermometer | Water Temperature |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (4.2K ratings)](https://appshunter.io/ios/app/thermometer/id357949214/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/water-temperature/id6477423920/reviews) |
| Number of ratings | **4.2K** | 4 |
| Positive reviews | **30.1% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 48 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Morcos](https://appshunter.io/developer/1453181584) | [Aaron Satterfield](https://appshunter.io/developer/525215472) |

## 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


### Water Temperature

[App page](https://appshunter.io/ios/app/water-temperature/id6477423920)

Monitor and record water temperatures directly from your Apple Watch. Get real-time readings, switch between units, and track your session duration. Ideal for water sports enthusiasts and anyone interested in water conditions.

**Highlights:** Real-time temperature monitoring, Fahrenheit/Celsius unit switching, Accurate temperature readings, Session timer, Min/Max temperature recording, Latest reading display, Dive Mode integration

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Thermometer free?

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

### Is Water Temperature free?

Water Temperature costs $2.99, with no in-app purchases.

### Which has better reviews, Thermometer or Water Temperature?

Thermometer is rated higher. Thermometer averages 4.4 out of 5 from 4.2K ratings, while Water Temperature averages 3.5 from 4 ratings.

### Do Thermometer or Water Temperature have ads?

Thermometer shows ads; Water Temperature does not.

### Which is updated more often, Thermometer or Water Temperature?

Thermometer ships an update every 2 months, and Water Temperature every 16 months. Most recently, Thermometer was updated on September 23, 2026 and Water Temperature on September 19, 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.*