# Fahrenheit Thermometer Plus vs HgBarometer

The clearest difference is ads: HgBarometer at none against Fahrenheit Thermometer Plus's shown. HgBarometer also leads on update cadence (every 4 months vs every 10 months) and monetization model (free vs ad-supported). Fahrenheit Thermometer Plus's advantage is ratings volume (269 vs 1) and rating (4.3 vs 4.0). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fahrenheit Thermometer Plus holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Fahrenheit Thermometer Plus has 269 ratings behind it against 1, so its average is the more settled of the two.

Fahrenheit Thermometer Plus ships an update every 10 months, HgBarometer every 4 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Fahrenheit Thermometer Plus | HgBarometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (269 ratings)](https://appshunter.io/ios/app/fahrenheit-thermometer-plus/id561382275/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/hgbarometer/id1234010346/reviews) |
| Number of ratings | **269** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 8 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Michael Matus](https://appshunter.io/developer/987936850) |

## What reviewers say

### Fahrenheit Thermometer Plus

[App page](https://appshunter.io/ios/app/fahrenheit-thermometer-plus/id561382275)

This free digital thermometer app uses GPS to measure and display the ambient temperature in Fahrenheit. It includes a Fahrenheit to Celsius conversion calculator and a barometer function for compatible devices. It also shows sunrise and sunset times, offering a reference for outdoor activities.

**Highlights:** GPS ambient temperature measurement, Fahrenheit to Celsius conversion calculator, Barometer function (iPhone 6/Plus and later), Badge displays Fahrenheit temperature, Sunrise and sunset time display

**Features:** Vision Pro support

**In-app purchases:** none


### HgBarometer

[App page](https://appshunter.io/ios/app/hgbarometer/id1234010346)

This app assists users of mercury barometers by simplifying pressure calculations. It helps determine barometric pressure by accounting for meniscus height, instrument temperature, and local gravity. It also offers unit conversions and can be used to calibrate barometers.

**Highlights:** Simplifies mercury barometer pressure calculations, Accounts for meniscus height, temperature, and gravity, Supports multiple pressure units, Facilitates barometer calibration, Allows sharing of observations and results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fahrenheit Thermometer Plus free?

Fahrenheit Thermometer Plus is free to download, with no in-app purchases.

### Is HgBarometer free?

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

### Which has better reviews, Fahrenheit Thermometer Plus or HgBarometer?

Fahrenheit Thermometer Plus is rated higher. Fahrenheit Thermometer Plus averages 4.3 out of 5 from 269 ratings, while HgBarometer averages 4.0 from 1 ratings.

### Do Fahrenheit Thermometer Plus or HgBarometer have ads?

Fahrenheit Thermometer Plus shows ads; HgBarometer does not.

### Which is updated more often, Fahrenheit Thermometer Plus or HgBarometer?

Fahrenheit Thermometer Plus ships an update every 10 months, and HgBarometer every 4 months. Most recently, Fahrenheit Thermometer Plus was updated on September 27, 2026 and HgBarometer on September 17, 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.*