# Conversion Calculator Units vs Unit Converter

The clearest difference is review sentiment: Conversion Calculator Units at 82% against Unit Converter's 0%. Conversion Calculator Units also leads on rating (4.7 vs 3.7) and ratings volume (5K vs 3). Unit Converter's advantage is ads (none vs shown) and update cadence (daily vs every 2 months). 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 Converter sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Conversion Calculator Units holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 3, 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 0% of Unit Converter's.

Conversion Calculator Units ships an update every 2 months, Unit Converter daily. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/unit-converter-fromto/id6738796120/reviews) |
| Number of ratings | **5K** | 3 |
| Positive reviews | **82.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 55 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) | [Farid Fakhnavar](https://appshunter.io/developer/1692223826) |

## 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

[App page](https://appshunter.io/ios/app/unit-converter-fromto/id6738796120)

This versatile tool simplifies daily tasks by offering quick and reliable conversions for over 20 unit types. Its clean, intuitive interface makes converting measurements easy for students, professionals, and travelers alike. Enjoy offline functionality and a lightweight design that won't drain your device's resources.

**Highlights:** Over 20 unit categories, Length, weight, volume, temperature, speed, time, energy, pressure conversions, Real-time currency exchange rates, User-friendly interface, Lightweight and fast performance, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Sale | $6.99 | one-time |
| Lifetime Pro | $9.99 | 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 free?

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

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

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Unit Converter averages 3.7 from 3 ratings.

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

Conversion Calculator Units shows ads; Unit Converter does not.

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

Conversion Calculator Units ships an update every 2 months, and Unit Converter daily. Most recently, Conversion Calculator Units was updated on October 17, 2026 and Unit Converter on October 18, 2026.

---

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