# Units Plus Converter vs Conversion Calculator Units

The clearest difference is price: Conversion Calculator Units at Free against Units Plus Converter's $19.99. Units Plus Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume and device support there is nothing between them.

Conversion Calculator Units is free to download; Units Plus Converter costs $19.99 up front. Conversion Calculator Units sells 1 one-off in-app purchase. Units Plus Converter asks for nothing beyond the download.

Units Plus Converter holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 8.4K and 5K respectively. Written reviews point the same way: 91% of Units Plus Converter's written reviews are positive against 82% of Conversion Calculator Units's.

Units Plus Converter ships an update every 5 weeks, Conversion Calculator Units every 2 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Units Plus Converter | Conversion Calculator Units |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.9 (8.4K ratings)](https://appshunter.io/ios/app/units-plus-converter/id593306620/reviews)** | [4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews) |
| Number of ratings | **8.4K** | 5K |
| Positive reviews | **91.0% of reviews** | 82.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 41 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alan Mrvica](https://appshunter.io/developer/593306623) | [RV AppStudios LLC](https://appshunter.io/developer/340181308) |

## What reviewers say

### Units Plus Converter

[App page](https://appshunter.io/ios/app/units-plus-converter/id593306620)

Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.

**Highlights:** Unit conversion across 12 categories, Live currency updates for 155 currencies, Optimized for iPhone and iPad, iPad Split View support, Data-computer data conversion, Fuel-mileage conversion

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient and reliable
- 💰 Worth the purchase
- 🌍 Helpful for travel and international use
- 📊 Comprehensive range of conversions

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔢 Limited unit options in some categories
- 🔍 Unintuitive interface for certain conversions
- 💰 Overpriced for the features offered

**Reported bugs**

- Decimal input not working
- Currency conversion not updating properly
- App crashing on certain devices

**Requested features**

- Add feet and inches conversion option
- Include kilojoules to calories conversion
- Improve currency conversion accuracy
- Add time zone conversion feature
- Provide more advanced unit options (e.g. torque, density)


### 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


## Frequently asked questions

### Is Units Plus Converter free?

Units Plus Converter costs $19.99, with no in-app purchases.

### Is Conversion Calculator Units free?

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

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

Units Plus Converter is rated higher. Units Plus Converter averages 4.9 out of 5 from 8.4K ratings, while Conversion Calculator Units averages 4.7 from 5K ratings.

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

Conversion Calculator Units shows ads; Units Plus Converter does not.

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

Units Plus Converter ships an update every 5 weeks, and Conversion Calculator Units every 2 months. Most recently, Units Plus Converter was updated on October 16, 2026 and Conversion Calculator Units on October 17, 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.*