# Converter vs QuickLock USA

The clearest difference is update cadence: QuickLock USA at weekly against Converter's every 2 months. Converter's advantage is ratings volume (897 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Converter against 5.0 for QuickLock USA. That said, the two scores are not equally well evidenced: Converter has 897 ratings behind it against 2, so its average is the more settled of the two.

Converter ships an update every 2 months, QuickLock USA weekly. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Converter | QuickLock USA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (897 ratings)](https://appshunter.io/ios/app/converter-universal-conversion/id423521445/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quicklock-usa/id6784301912/reviews)** |
| Number of ratings | **897** | 2 |
| Positive reviews | 96.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 37 MB | 57 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Nexelynt LLC](https://appshunter.io/developer/6784301914) |

## What reviewers say

### Converter

[App page](https://appshunter.io/ios/app/converter-universal-conversion/id423521445)

This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.

**Highlights:** Currency converter with live exchange rates, Over 300 engineering and scientific units, Specialized hardness converter, Timezone conversion, Running pace calculator, Integrated standard calculator, Conversion history log

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate and fast conversions
- 💡 Comprehensive coverage of units and categories
- 🔒 No ads or hidden fees
- 💡 Useful currency converter

**What reviewers complain about**

- 🐛 Currency conversion rates can be outdated
- 🔍 Difficult to find specific conversions due to large number of options
- 💡 Lack of ability to set favorite conversions as default

**Reported bugs**

- Occasional crashes on startup for non-English/German users
- Conversion from meters to feet does not show inches

**Requested features**

- Add fuel efficiency conversions
- Allow users to set favorite conversions as default
- Improve currency conversion rate updates


### QuickLock USA

[App page](https://appshunter.io/ios/app/quicklock-usa/id6784301912)

Instantly size trenchless repair products like sleeves and seals based on pipe dimensions. Generates a bill of materials with pricing and provides pressure ratings for relevant applications. Designed for field use by professionals in water and wastewater rehabilitation.

**Highlights:** Point-repair sizing for various pipe types, LinerEnd termination selector, Instant bill of materials with MSRP pricing, Datasheet pressure ratings for pressure pipes, Copy and print exports for quotes, Direct contact with the developer

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

**In-app purchases:** none


## Frequently asked questions

### Is Converter free?

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

### Is QuickLock USA free?

QuickLock USA is free to download, with no in-app purchases.

### Which has better reviews, Converter or QuickLock USA?

QuickLock USA is rated higher. Converter averages 4.9 out of 5 from 897 ratings, while QuickLock USA averages 5.0 from 2 ratings.

### Do Converter or QuickLock USA have ads?

Neither Converter nor QuickLock USA shows ads.

### Which is updated more often, Converter or QuickLock USA?

Converter ships an update every 2 months, and QuickLock USA weekly. Most recently, Converter was updated on October 11, 2026 and QuickLock USA on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*