# Units vs Unit Converter Currency

The clearest difference is price: Units at Free against Unit Converter Currency's $2.99. Units also leads on ratings volume (51 vs 2). Unit Converter Currency's advantage is rating (5.0 vs 4.1) and in-app purchases (none vs 3). On device support and iOS requirement there is nothing between them.

Units is free to download; Unit Converter Currency costs $2.99 up front. Units sells 3 one-off in-app purchases. Unit Converter Currency asks for nothing beyond the download.

Unit Converter Currency holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Units has 51 ratings behind it against 2, so its average is the more settled of the two.

Units ships an update monthly, Unit Converter Currency every 3 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Units | Unit Converter Currency |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.1 (51 ratings)](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unit-converter-currency/id6761869839/reviews)** |
| Number of ratings | **51** | 2 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 86 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Homegrown Software Ltd](https://appshunter.io/developer/406645730) | [Carlos Manso](https://appshunter.io/developer/1891876556) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017)

Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.

**Highlights:** Hundreds of units across 43 categories, Daily updated currency exchange rates, Hide unused units, Reorder units and categories, Universal app support (iPhone, iPod touch, iPad)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast conversions
- 👍 Comprehensive list of units
- 🔍 Customizable unit selection
- 💰 Free app with optional paid version
- 🔧 Useful for engineering and technical work

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🕰️ Outdated currency conversion rates
- 🔍 Too many unit categories, hard to navigate
- 💰 Ads in free version
- 📏 Ruler feature not accurate on some devices

**Reported bugs**

- Crashes when clearing input fields
- Numerical keypad covers conversion results
- Incompatibility issues with newer iOS versions
- Ruler measurements not accurate on all devices

**Requested features**

- Add nautical units (miles, knots)
- Improve currency conversion accuracy and updates
- Allow customization of visible unit categories
- Add more clothing/shoe size conversions
- Improve user interface and search functionality


### Unit Converter Currency

[App page](https://appshunter.io/ios/app/unit-converter-currency/id6761869839)

This app offers a fast and simple way to convert units and currencies. It features live currency rates and supports over 200 units across 22 categories, with pinned conversions updating in real-time as you type. It also includes a unique feature to spell out numbers in multiple languages.

**Highlights:** Real-time unit and currency conversion, 22 categories and 200+ units, Live currency rates with automatic updates, Pinned conversions for quick access, Numbers spelled out in 65 languages, Offline unit conversion

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

**In-app purchases:** none


## Frequently asked questions

### Is Units free?

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

### Is Unit Converter Currency free?

Unit Converter Currency costs $2.99, with no in-app purchases.

### Which has better reviews, Units or Unit Converter Currency?

Unit Converter Currency is rated higher. Units averages 4.1 out of 5 from 51 ratings, while Unit Converter Currency averages 5.0 from 2 ratings.

### Do Units or Unit Converter Currency have ads?

Units shows ads; Unit Converter Currency does not.

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

Units ships an update monthly, and Unit Converter Currency every 3 days. Most recently, Units was updated on October 29, 2026 and Unit Converter Currency on October 31, 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.*