# Conversion Calculator Units vs Unity

The clearest difference is review sentiment: Conversion Calculator Units at 82% against Unity's 45%. Conversion Calculator Units also leads on rating (4.7 vs 4.2) and ratings volume (5K vs 25). Unity's advantage is ads (none vs shown) and device support (5 vs 3). On price, update cadence, 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 Unity 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 4.2. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 25, 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 45% of Unity's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Unity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [4.2 (25 ratings)](https://appshunter.io/ios/app/unity-the-best-unit-converter/id828401996/reviews) |
| Number of ratings | **5K** | 25 |
| Positive reviews | **82.1% of reviews** | 44.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 14 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Peachy Ventures Ltd.](https://appshunter.io/developer/828401999) |

## 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


### Unity

[App page](https://appshunter.io/ios/app/unity-the-best-unit-converter/id828401996)

This app offers precise and powerful unit and currency conversion with over 600 conversion types. Save frequent conversions as favorites and access them easily from the home screen. It provides real-time currency rates and historical graphs, with customizable decimal points and calculator functionality.

**Highlights:** Over 600 conversion types, Favorites for quick access, Real-time currency rates, Currency graphs, Customizable decimal points, Built-in calculator

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Full Features | $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 Unity free?

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

### Which has better reviews, Conversion Calculator Units or Unity?

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Unity averages 4.2 from 25 ratings.

### Do Conversion Calculator Units or Unity have ads?

Conversion Calculator Units shows ads; Unity does not.

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

Conversion Calculator Units ships an update every 2 months, and Unity every 2 months. Most recently, Conversion Calculator Units was updated on September 22, 2026 and Unity on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*