# Conversion Calculator Units vs Unit and Value Converter

The clearest difference is in-app purchases: Unit and Value Converter at none against Conversion Calculator Units's 1. Unit and Value Converter also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (12.0 vs 15.0). Conversion Calculator Units's advantage is rating (4.7 vs 4.3) and ratings volume (5K vs 24). On price, ads and device support there is nothing between them.

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

Conversion Calculator Units holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 24, so its average is the more settled of the two.

Conversion Calculator Units ships an update every 2 months, Unit and Value Converter every 9 days. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Unit and Value Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205/reviews) |
| Number of ratings | **5K** | 24 |
| Positive reviews | 82.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 41 MB | 32 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Matheus Estoque](https://appshunter.io/developer/1589462723) |

## What reviewers say

### Conversion Calculator Units

[App page](https://appshunter.io/ios/app/conversion-calculator-units/id727632233)

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

**Highlights:** Converts over 140 units, Supports 12 conversion categories, Customizable themes, Drag and set unit positions, Add units to favorites, Share converted units via email

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design

**Reported bugs**

- Ads not removed after purchase
- Incorrect unit conversions

**Requested features**

- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Conversion Calculator Units free?

Conversion Calculator Units 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, Conversion Calculator Units or Unit and Value Converter?

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Unit and Value Converter averages 4.3 from 24 ratings.

### Do Conversion Calculator Units or Unit and Value Converter have ads?

Both Conversion Calculator Units and Unit and Value Converter show ads.

### Which is updated more often, Conversion Calculator Units or Unit and Value Converter?

Conversion Calculator Units ships an update every 2 months, and Unit and Value Converter every 9 days. Most recently, Conversion Calculator Units was updated on September 22, 2026 and Unit and Value Converter on June 1, 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.*