# Mercury vs Temperature Converter ∞

The clearest difference is in-app purchases: Temperature Converter ∞ at none against Mercury's 5. Temperature Converter ∞ also leads on rating (4.4 vs 4.0) and update cadence (monthly vs every 70 months). Mercury's advantage is ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. Mercury sells 5 one-off in-app purchases. Temperature Converter ∞ asks for nothing beyond the download.

Temperature Converter ∞ holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Temperature Converter ∞ has 33 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Mercury ships an update every 70 months, Temperature Converter ∞ monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Mercury | Temperature Converter ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/mercury-temperature-converter/id1494415587/reviews) | **[4.4 (33 ratings)](https://appshunter.io/ios/app/temperature-converter/id6630387404/reviews)** |
| Number of ratings | 6 | **33** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 70 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 16 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Herrera](https://appshunter.io/developer/962670797) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## What reviewers say

### Mercury

[App page](https://appshunter.io/ios/app/mercury-temperature-converter/id1494415587)

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with an elegant and intuitive interface. Features dynamic background color changes based on temperature and supports decimal conversions.

**Highlights:** Celsius, Fahrenheit, Kelvin conversion, Interactive temperature scrolling, Dynamic background color, Reset to zero function, Decimal temperature support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Massive Tip | $9.99 | one-time |


### Temperature Converter ∞

[App page](https://appshunter.io/ios/app/temperature-converter/id6630387404)

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin. This utility is ideal for travel, cooking, scientific applications, or daily use.

**Highlights:** Temperature conversion, Celsius, Fahrenheit, Kelvin support, Easy to use interface, Suitable for travel, Useful for cooking, Applicable to science

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

**In-app purchases:** none


## Frequently asked questions

### Is Mercury free?

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

### Is Temperature Converter ∞ free?

Temperature Converter ∞ is free to download, with no in-app purchases.

### Which has better reviews, Mercury or Temperature Converter ∞?

Temperature Converter ∞ is rated higher. Mercury averages 4.0 out of 5 from 6 ratings, while Temperature Converter ∞ averages 4.4 from 33 ratings.

### Do Mercury or Temperature Converter ∞ have ads?

Temperature Converter ∞ shows ads; Mercury does not.

### Which is updated more often, Mercury or Temperature Converter ∞?

Mercury ships an update every 70 months, and Temperature Converter ∞ monthly. Most recently, Mercury was updated on November 3, 2026 and Temperature Converter ∞ on November 4, 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.*