# Unit Converter HD. vs Torque Tightening

The clearest difference is rating: Unit Converter HD. at 4.7 against Torque Tightening's 2.0. Unit Converter HD. also leads on review sentiment (94% vs 67%) and ratings volume (644 vs 1). Torque Tightening's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Unit Converter HD. holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Unit Converter HD. has 644 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 94% of Unit Converter HD.'s written reviews are positive against 67% of Torque Tightening's.

Unit Converter HD. ships an update every 2 months, Torque Tightening every 9 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Unit Converter HD. | Torque Tightening |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (644 ratings)](https://appshunter.io/ios/app/unit-converter-hd/id481973377/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/torque-tightening/id1017232833/reviews) |
| Number of ratings | **644** | 1 |
| Positive reviews | **93.8% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 14 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [CETIM](https://appshunter.io/developer/1017232832) |

## 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


### Torque Tightening

[App page](https://appshunter.io/ios/app/torque-tightening/id1017232833)

This utility app helps users find the correct torque settings for various applications. It provides optimal torque values to ensure proper application and safety.

**Highlights:** Determine optimal torque, Suit application cases, Provides torque values

**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 Torque Tightening free?

Torque Tightening is free to download, with no in-app purchases.

### Which has better reviews, Unit Converter HD. or Torque Tightening?

Unit Converter HD. is rated higher. Unit Converter HD. averages 4.7 out of 5 from 644 ratings, while Torque Tightening averages 2.0 from 1 ratings.

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

Unit Converter HD. shows ads; Torque Tightening does not.

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

Unit Converter HD. ships an update every 2 months, and Torque Tightening every 9 months. Most recently, Unit Converter HD. was updated on October 20, 2026 and Torque Tightening on October 18, 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.*