# US Unit Converter vs Unit and Value Converter

The clearest difference is in-app purchases: Unit and Value Converter at none against US Unit Converter's 1. Unit and Value Converter also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (12.0 vs 15.6). US Unit Converter's advantage is rating (4.8 vs 4.3) and ratings volume (110 vs 24). On price, ads and device support there is nothing between them.

Both are free to download. US Unit Converter sells 1 one-off in-app purchase. Unit and Value Converter asks for nothing beyond the download.

US Unit Converter holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 110 and 24 respectively.

US Unit Converter ships an update every 6 months, Unit and Value Converter every 9 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | US Unit Converter | Unit and Value Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (110 ratings)](https://appshunter.io/ios/app/us-unit-converter/id1577905442/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205/reviews) |
| Number of ratings | **110** | 24 |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 6 MB | 32 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Matheus Estoque](https://appshunter.io/developer/1589462723) |

## What reviewers say

### US Unit Converter

[App page](https://appshunter.io/ios/app/us-unit-converter/id1577905442)

Easily convert between US customary units and the International System of Units for various measurements like length, weight, area, volume, and temperature. Access conversion history and remove ads with a premium upgrade.

**Highlights:** Length conversion, Weight conversion, Area conversion, Liquid volume conversion, Temperature conversion, Conversion history, Ad-free option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $3.99 | one-time |


### Unit and Value Converter

[App page](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205)

Easily convert between various measurement systems for everyday tasks. This app offers fast, accurate conversions for speed, weight, and distance, with a history of your calculations. It's a simple, lightweight tool for travelers, students, and anyone needing to understand different units.

**Highlights:** Converts speed, weight, and distance, Intuitive interface, History of recent calculations, Automatic result updates, Lightweight and simple

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

**In-app purchases:** none


## Frequently asked questions

### Is US Unit Converter free?

US Unit Converter is free to download, with in-app purchases available.

### Is Unit and Value Converter free?

Unit and Value Converter is free to download, with no in-app purchases.

### Which has better reviews, US Unit Converter or Unit and Value Converter?

US Unit Converter is rated higher. US Unit Converter averages 4.8 out of 5 from 110 ratings, while Unit and Value Converter averages 4.3 from 24 ratings.

### Do US Unit Converter or Unit and Value Converter have ads?

Both US Unit Converter and Unit and Value Converter show ads.

### Which is updated more often, US Unit Converter or Unit and Value Converter?

US Unit Converter ships an update every 6 months, and Unit and Value Converter every 9 days. Most recently, US Unit Converter was updated on November 7, 2026 and Unit and Value Converter on November 3, 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.*