# Conversion Calculator Units vs Unit Ease

The clearest difference is ads: Unit Ease at none against Conversion Calculator Units's shown. Unit Ease also leads on rating (5.0 vs 4.7) and update cadence (every 4 weeks vs every 2 months). Conversion Calculator Units's advantage is ratings volume (5K vs 67). On price, in-app purchases, monetization model and device support there is nothing between them.

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

Unit Ease holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 67, 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 95% of Unit Ease's.

Conversion Calculator Units ships an update every 2 months, Unit Ease every 4 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Unit Ease |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews) | **[5.0 (67 ratings)](https://appshunter.io/ios/app/unit-ease-metric-vs-imperial/id6476742171/reviews)** |
| Number of ratings | **5K** | 67 |
| Positive reviews | 82.1% of reviews | **95.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Cheng Cheng](https://appshunter.io/developer/1312220567) |

## 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 Ease

[App page](https://appshunter.io/ios/app/unit-ease-metric-vs-imperial/id6476742171)

This app offers accurate unit conversions for a wide range of categories including weight, length, temperature, and volume. It also provides specialized size charts for clothing and rings, along with everyday and scientific conversion tools. Users can customize display formats and enjoy a visually appealing interface.

**Highlights:** Seamless unit conversion, Dedicated size charts, Everyday life conversions, Maths and physics conversions, Engineering conversions, Customizable display formats

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Premium | $4.99 | one-time |


## Frequently asked questions

### Is Conversion Calculator Units free?

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

### Is Unit Ease free?

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

### Which has better reviews, Conversion Calculator Units or Unit Ease?

Unit Ease is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Unit Ease averages 5.0 from 67 ratings.

### Do Conversion Calculator Units or Unit Ease have ads?

Conversion Calculator Units shows ads; Unit Ease does not.

### Which is updated more often, Conversion Calculator Units or Unit Ease?

Conversion Calculator Units ships an update every 2 months, and Unit Ease every 4 weeks. Most recently, Conversion Calculator Units was updated on October 17, 2026 and Unit Ease on October 20, 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.*