# Unit Converter HD. vs Unit converter

The clearest difference is in-app purchases: Unit converter at none against Unit Converter HD.'s 1. Unit converter also leads on rating (4.9 vs 4.7). Unit Converter HD.'s advantage is update cadence (every 2 months vs every 24 months) and ratings volume (644 vs 14). On price, ads and device support there is nothing between them.

Both are free to download. Unit Converter HD. sells 1 one-off in-app purchase. Unit converter asks for nothing beyond the download.

Unit converter holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Unit Converter HD. has 644 ratings behind it against 14, so its average is the more settled of the two.

Unit Converter HD. ships an update every 2 months, Unit converter every 24 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Unit Converter HD. | Unit converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (644 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086/reviews)** |
| Number of ratings | **644** | 14 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 24 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 86 MB | 7 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Deepak Jalwa](https://appshunter.io/developer/1809904290) |

## 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-convert-unit/id1582803086)

This application offers a straightforward and efficient way to convert various units. It features a simple interface for quick conversions and allows users to save their conversion history for future reference.

**Highlights:** Simple unit conversion, Quick conversion tool, Save conversion history, Intuitive UI, Elegant design

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 no in-app purchases.

### 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 644 ratings, while Unit converter averages 4.9 from 14 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 24 months. Most recently, Unit Converter HD. was updated on October 20, 2026 and Unit converter on October 15, 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.*