# Converter (unit conversions) vs Unit Converter HD.

Converter (unit conversions) and Unit Converter HD. both sit at 4.7 stars, but that hides the real split: 94% of Unit Converter HD.'s written reviews are positive against 56% of Converter (unit conversions)'s. Converter (unit conversions)'s advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Converter (unit conversions) sells 1 in-app purchase, starting at $0.99 per year 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 — 4.7 for Converter (unit conversions) against 4.7 for Unit Converter HD.. Both are backed by a comparable volume of ratings — 2K and 644 respectively. Written reviews are what separate them: 56% of Converter (unit conversions)'s written reviews are positive against 94% of Unit Converter HD.'s.

Converter (unit conversions) ships an update every 3 weeks, Unit Converter HD. every 2 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Converter (unit conversions) | Unit Converter HD. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/converter-unit-conversions/id285986066/reviews)** | [4.7 (644 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews) |
| Number of ratings | **2K** | 644 |
| Positive reviews | 56.3% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 86 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brent Royal-Gordon](https://appshunter.io/developer/285986069) | [良峰 侯](https://appshunter.io/developer/654444245) |

## What reviewers say

### Converter (unit conversions)

[App page](https://appshunter.io/ios/app/converter-unit-conversions/id285986066)

Easily convert between 76 measurement units across eight common types, including length, weight, temperature, and volume. Features a built-in calculator and optional currency conversion with daily exchange rate updates.

**Highlights:** 76 measurement units, 8 common unit types, Built-in four-function calculator, Optional currency conversion, Daily exchange rate updates, Large, clear displays

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Latest Exchange Rates | $0.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Functional and versatile
- 👍 Clean and uncluttered interface
- 👍 Helpful for everyday conversions

**What reviewers complain about**

- 🐛 Currency rates not updating
- 🐛 App crashes or malfunctions
- 🔒 Subscription required for currency conversion
- 🚫 No longer supported or updated

**Reported bugs**

- Currency rates not updating for months
- App crashes on launch or during use
- Incompatible with recent iOS updates

**Requested features**

- Add more conversion types (e.g., pressure, power)
- Allow custom unit conversions
- Improve handling of imperial units (feet/inches, pounds/ounces)
- Provide option to manually update currency rates


### 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 Converter (unit conversions) free?

Converter (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, Converter (unit conversions) or Unit Converter HD.?

Converter (unit conversions) is rated higher. Converter (unit conversions) averages 4.7 out of 5 from 2K ratings, while Unit Converter HD. averages 4.7 from 644 ratings.

### Do Converter (unit conversions) or Unit Converter HD. have ads?

Unit Converter HD. shows ads; Converter (unit conversions) does not.

### Which is updated more often, Converter (unit conversions) or Unit Converter HD.?

Converter (unit conversions) ships an update every 3 weeks, and Unit Converter HD. every 2 months. Most recently, Converter (unit conversions) was updated on October 23, 2026 and Unit Converter HD. on October 20, 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.*