# Currency&Unit Conversions vs Unit Converter HD.

The clearest difference is ads: Currency&Unit Conversions at none against Unit Converter HD.'s shown. Currency&Unit Conversions also leads on iOS requirement (7.0 vs 13.0). Unit Converter HD.'s advantage is review sentiment (94% vs 79%) and ratings volume (645 vs 49). On price, rating, update cadence and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Currency&Unit Conversions against 4.7 for Unit Converter HD.. That said, the two scores are not equally well evidenced: Unit Converter HD. has 645 ratings behind it against 49, so its average is the more settled of the two. Written reviews are what separate them: 79% of Currency&Unit Conversions's written reviews are positive against 94% of Unit Converter HD.'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Currency&Unit Conversions | Unit Converter HD. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (49 ratings)](https://appshunter.io/ios/app/currency-and-unit-conversions/id405496989/reviews)** | [4.7 (645 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews) |
| Number of ratings | 49 | **645** |
| Positive reviews | 79.1% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 86 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [38 Softworks Inc.](https://appshunter.io/developer/314907529) | [良峰 侯](https://appshunter.io/developer/654444245) |

## What reviewers say

### Currency&Unit Conversions

[App page](https://appshunter.io/ios/app/currency-and-unit-conversions/id405496989)

Easily convert between various units and currencies, saving your calculations for later. View all your past conversions in one place, eliminating the need to re-enter data. Supports a wide range of categories including temperature, length, area, volume, and weight.

**Highlights:** Save conversion history, View all conversions at once, Temperature conversion, Currency conversion (158 currencies), Length, Area, Volume, Weight conversions, Supports Foot + Inch and Pound + Ounce

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

**In-app purchases (1)**

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

**What reviewers like**

- 👍 Easy to use interface
- 🔄 Works every time
- 🌟 Highly recommended converter
- 💡 Excellent learning tool
- ⚡ Fast and versatile

**What reviewers complain about**

- 📢 Loud, annoying button sounds
- 💸 Frequent, intrusive ads
- 📉 Inaccurate currency conversion
- 🚫 Missing specific conversion types

**Reported bugs**

- Currency not loading
- App crashes instantly
- App won't open

**Requested features**

- Absolute temperature conversions
- Kelvin temperature option


### 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


## Frequently asked questions

### Is Currency&Unit Conversions free?

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

### Is Unit Converter HD. free?

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

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

Currency&Unit Conversions is rated higher. Currency&Unit Conversions averages 4.9 out of 5 from 49 ratings, while Unit Converter HD. averages 4.7 from 645 ratings.

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

Unit Converter HD. shows ads; Currency&Unit Conversions does not.

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

Currency&Unit Conversions ships an update every 2 months, and Unit Converter HD. every 2 months. Most recently, Currency&Unit Conversions was updated on October 23, 2026 and Unit Converter HD. on October 29, 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.*