# Unit Converter HD. vs Unit Converter

The clearest difference is ratings volume: Unit Converter HD. at 645 against Unit Converter's 13. Unit Converter HD. also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (13.0 vs 16.4). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Unit Converter HD. sells 1 one-off in-app purchase and Unit Converter sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Unit Converter HD. against 4.8 for Unit Converter. That said, the two scores are not equally well evidenced: Unit Converter HD. has 645 ratings behind it against 13, so its average is the more settled of the two.

Unit Converter HD. ships an update every 2 months, Unit Converter every 7 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Unit Converter HD. | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (645 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews) | **[4.8 (13 ratings)](https://appshunter.io/ios/app/unit-converter/id1377049882/reviews)** |
| Number of ratings | **645** | 13 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 86 MB | 40 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [xNeat.com](https://appshunter.io/developer/327498295) |

## 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 Converter

[App page](https://appshunter.io/ios/app/unit-converter/id1377049882)

This app offers a wide range of unit conversions for various measurements, from temperature to length. It features a user-friendly interface, customizable themes, and smart features that remember your frequent conversions. It also links to external apps for specialized tasks.

**Highlights:** Broad conversion spectrum, Personalizable themes, User-friendly interface, Smart features for frequent conversions, Links to specialized external apps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter | $4.99 | per month |
| Unit Converter | $39.99 | per year |


## Frequently asked questions

### Is Unit Converter HD. free?

Unit Converter HD. 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, Unit Converter HD. or Unit Converter?

Unit Converter is rated higher. Unit Converter HD. averages 4.7 out of 5 from 645 ratings, while Unit Converter averages 4.8 from 13 ratings.

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

Both Unit Converter HD. and Unit Converter show ads.

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

Unit Converter HD. ships an update every 2 months, and Unit Converter every 7 months. Most recently, Unit Converter HD. was updated on September 19, 2026 and Unit Converter on September 14, 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.*