# Unit Converter HD. vs Units+

The clearest difference is update cadence: Unit Converter HD. at every 2 months against Units+'s every 5 months. Unit Converter HD. also leads on review sentiment (94% vs 85%) and iOS requirement (13.0 vs 15.5). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Unit Converter HD. sells 1 one-off in-app purchase and Units+ sells 2 one-off in-app purchases. 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 Units+. Both are backed by a comparable volume of ratings — 645 and 375 respectively. Written reviews are what separate them: 94% of Unit Converter HD.'s written reviews are positive against 85% of Units+'s.

Unit Converter HD. ships an update every 2 months, Units+ every 5 months. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Unit Converter HD. | Units+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (645 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews) | **[4.8 (375 ratings)](https://appshunter.io/ios/app/units-plus/id687296545/reviews)** |
| Number of ratings | **645** | 375 |
| Positive reviews | **93.8% of reviews** | 85.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 86 MB | 4 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) | [Hebaallah Hossameldien](https://appshunter.io/developer/1632619093) |

## 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


### Units+

[App page](https://appshunter.io/ios/app/units-plus/id687296545)

Easily convert between over 260 measurement units across 22 categories and get real-time currency exchange rates for more than 160 currencies. Quickly find units or bookmark frequent conversions for efficient use.

**Highlights:** 260+ measurement units, 22 unit categories, 160+ currencies, Real-time exchange rates, Unit search, Bookmarking conversions

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Features | Free | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Reliable tool
- 👍 Versatile converter
- 👍 Great for various conversions (mass, temps, currency, distances)
- 👍 Does what it needs to do

**What reviewers complain about**

- 😠 Too many ads
- 😠 Ads without an X to close
- 😠 Negative sentiment towards the app's creator/provider (implied by one review)
- 😐 Fuel economy display issues (mpg/liters to 100)
- 😐 Some discrepancy in currency accuracy noted

**Reported bugs**

- Ads don't have an X to close

**Requested features**

- Add a Notification Center widget
- Way to mark favorite types of conversions


## Frequently asked questions

### Is Unit Converter HD. free?

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

### Is Units+ free?

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

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

Units+ is rated higher. Unit Converter HD. averages 4.7 out of 5 from 645 ratings, while Units+ averages 4.8 from 375 ratings.

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

Both Unit Converter HD. and Units+ show ads.

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

Unit Converter HD. ships an update every 2 months, and Units+ every 5 months. Most recently, Unit Converter HD. was updated on September 19, 2026 and Units+ on September 23, 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.*