# Mercury vs Convertir

The clearest difference is rating: Convertir at 5.0 against Mercury's 4.0. Convertir also leads on in-app purchases (none vs 5) and update cadence (every 2 weeks vs every 70 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Convertir holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Mercury ships an update every 70 months, Convertir every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Mercury | Convertir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/mercury-temperature-converter/id1494415587/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/convertir/id6740777613/reviews)** |
| Number of ratings | 6 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 16 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Herrera](https://appshunter.io/developer/962670797) | [Igor Shevchenko](https://appshunter.io/developer/1632832967) |

## 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 |


### Convertir

[App page](https://appshunter.io/ios/app/convertir/id6740777613)

This app offers a fast and reliable way to convert various units like length, weight, and temperature. Its intuitive interface provides instant, accurate results for everyday tasks, school, or work.

**Highlights:** Unit conversion, Intuitive interface, Accurate results, Supports length, weight, temperature, volume, Fast and reliable

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mercury free?

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

### Is Convertir free?

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

### Which has better reviews, Mercury or Convertir?

Convertir is rated higher. Mercury averages 4.0 out of 5 from 6 ratings, while Convertir averages 5.0 from 7 ratings.

### Do Mercury or Convertir have ads?

Neither Mercury nor Convertir shows ads.

### Which is updated more often, Mercury or Convertir?

Mercury ships an update every 70 months, and Convertir every 2 weeks. Most recently, Mercury was updated on October 24, 2026 and Convertir on October 21, 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.*