# The Best Unit Converter vs Convertir

The clearest difference is rating: Convertir at 5.0 against The Best Unit Converter's 4.2. Convertir also leads on in-app purchases (none vs 3). The Best Unit Converter's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. The Best Unit Converter sells 3 one-off in-app purchases. Convertir asks for nothing beyond the download.

Convertir holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

The Best Unit Converter ships an update weekly, Convertir every 2 weeks. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | The Best Unit Converter | Convertir |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/the-best-unit-converter/id1360876047/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/convertir/id6740777613/reviews)** |
| Number of ratings | 5 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 16 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Baron](https://appshunter.io/developer/1468892980) | [Igor Shevchenko](https://appshunter.io/developer/1632832967) |

## What reviewers say

### The Best Unit Converter

[App page](https://appshunter.io/ios/app/the-best-unit-converter/id1360876047)

Easily convert between various units with a simple interface. This application supports numerous conversions, allowing you to switch between different units and back again with just a few taps.

**Highlights:** Multiple unit conversions, Simple and clean design, Easy to use interface, Converts units and back again, Supports various measurement types

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| More Units | $0.99 | one-time |
| Intrasystem Conversions | $1.99 | 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 The Best Unit Converter free?

The Best Unit Converter 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, The Best Unit Converter or Convertir?

Convertir is rated higher. The Best Unit Converter averages 4.2 out of 5 from 5 ratings, while Convertir averages 5.0 from 7 ratings.

### Do The Best Unit Converter or Convertir have ads?

Neither The Best Unit Converter nor Convertir shows ads.

### Which is updated more often, The Best Unit Converter or Convertir?

The Best Unit Converter ships an update weekly, and Convertir every 2 weeks. Most recently, The Best Unit Converter was updated on October 22, 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.*