# Conversion Calculator Units vs Unit Converter and Calculator.

The clearest difference is review sentiment: Conversion Calculator Units at 82% against Unit Converter and Calculator.'s 28%. Conversion Calculator Units also leads on rating (4.7 vs 4.3) and ratings volume (5K vs 83). Unit Converter and Calculator.'s advantage is update cadence (monthly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Conversion Calculator Units sells 1 one-off in-app purchase and Unit Converter and Calculator. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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 83, so its average is the more settled of the two. Written reviews point the same way: 82% of Conversion Calculator Units's written reviews are positive against 28% of Unit Converter and Calculator.'s.

Conversion Calculator Units ships an update every 2 months, Unit Converter and Calculator. monthly. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Unit Converter and Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [4.3 (83 ratings)](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews) |
| Number of ratings | **5K** | 83 |
| Positive reviews | **82.1% of reviews** | 28.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 19 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Kemal Bakacak](https://appshunter.io/developer/1475963902) |

## 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 Converter and Calculator.

[App page](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634)

Effortlessly perform a vast array of unit conversions with this comprehensive mobile application. It offers real-time, accurate results across over 70 categories and 1450 units, featuring a user-friendly design and offline access.

**Highlights:** Real-time conversions, Over 70 categories, More than 1450 units, Offline access, User-friendly design, Customizable settings, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium, All Calculation Units | $2.99 | one-time |


## Frequently asked questions

### Is Conversion Calculator Units free?

Conversion Calculator Units is free to download, with in-app purchases available.

### Is Unit Converter and Calculator. free?

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

### Which has better reviews, Conversion Calculator Units or Unit Converter and Calculator.?

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Unit Converter and Calculator. averages 4.3 from 83 ratings.

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

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

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

Conversion Calculator Units ships an update every 2 months, and Unit Converter and Calculator. monthly. Most recently, Conversion Calculator Units was updated on October 30, 2026 and Unit Converter and Calculator. on October 27, 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.*