# Unit Converter HD. vs Unit Currency Converter

The clearest difference is review sentiment: Unit Converter HD. at 94% against Unit Currency Converter's 0%. Unit Converter HD. also leads on rating (4.7 vs 3.7) and update cadence (every 2 months vs every 78 months). Unit Currency Converter's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Converter HD. sells 1 one-off in-app purchase and Unit Currency Converter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Unit Converter HD. holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Unit Converter HD. has 645 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 94% of Unit Converter HD.'s written reviews are positive against 0% of Unit Currency Converter's.

Unit Converter HD. ships an update every 2 months, Unit Currency Converter every 78 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Unit Converter HD. | Unit Currency Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (645 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/unit-currency-converter/id1510243729/reviews) |
| Number of ratings | **645** | 3 |
| Positive reviews | **93.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 78 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 42 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Giang Pham Thi](https://appshunter.io/developer/1581524365) |

## What reviewers say

### Unit Converter HD.

[App page](https://appshunter.io/ios/app/unit-converter-hd/id481973377)

Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.

**Highlights:** 700+ Units of Measure, 30 Conversion Categories, Easy-to-Use Interface, Dark Mode Support, Backspace Key

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Pack | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Handy and convenient
- 💡 Comprehensive set of conversions
- 🚀 Very useful app
- 👍 Intuitive design

**What reviewers complain about**

- 🐛 Occasional crashes or freezing issues
- 💡 Could be more intuitive for some users
- 🔒 Requires horizontal orientation

**Reported bugs**

- Freezing or crashing on some devices
- Display issues with certain units

**Requested features**

- Add support for US weights (tons, lbs., oz.)
- Implement portrait mode support
- Provide more customization options


### Unit Currency Converter

[App page](https://appshunter.io/ios/app/unit-currency-converter/id1510243729)

This app offers a simple and intuitive interface for converting various units of measurement. It categorizes essential units for daily life, living, science, and miscellaneous needs, with built-in currency conversion and math calculators.

**Highlights:** Intuitive and simple UI, Categorized essential unit sets, Real-time currency converter, Math calculators, Organize conversion lists, Easy conversion with one-hold button

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Unit Converter HD. free?

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

### Is Unit Currency Converter free?

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

### Which has better reviews, Unit Converter HD. or Unit Currency Converter?

Unit Converter HD. is rated higher. Unit Converter HD. averages 4.7 out of 5 from 645 ratings, while Unit Currency Converter averages 3.7 from 3 ratings.

### Do Unit Converter HD. or Unit Currency Converter have ads?

Both Unit Converter HD. and Unit Currency Converter show ads.

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

Unit Converter HD. ships an update every 2 months, and Unit Currency Converter every 78 months. Most recently, Unit Converter HD. was updated on November 1, 2026 and Unit Currency Converter on November 3, 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.*