# Converter vs Unit Converter

The clearest difference is ads: Converter at none against Unit Converter's shown. Converter also leads on ratings volume (981 vs 3) and monetization model (free vs ad-supported). On price, rating, review sentiment and update cadence 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 Unit Converter. That said, the two scores are not equally well evidenced: Converter has 981 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 94% of Converter's written reviews are positive against 100% of Unit Converter's.

Converter ships an update every 2 months, Unit Converter every 5 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Converter | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (981 ratings)](https://appshunter.io/ios/app/converter-universal-conversion/id423521445/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/unit-converter-14-in-1/id1587655048/reviews)** |
| Number of ratings | **981** | 3 |
| Positive reviews | 93.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 37 MB | 10 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Noadit, Inc.](https://appshunter.io/developer/1516754355) |

## 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


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-14-in-1/id1587655048)

This tool provides fast and accurate conversions across 14 common physical unit categories. It supports metric, imperial, and traditional Chinese units, with customizable display styles for personalized use. Ideal for everyday and professional conversion needs.

**Highlights:** 14 unit categories, Metric, imperial, and Chinese units, Customizable display styles, Accurate conversions, Supports length, area, volume, mass, temperature, and more

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

**In-app purchases:** none


## Frequently asked questions

### Is Converter free?

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

### Is Unit Converter free?

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

### Which has better reviews, Converter or Unit Converter?

Unit Converter is rated higher. Converter averages 4.9 out of 5 from 981 ratings, while Unit Converter averages 5.0 from 3 ratings.

### Do Converter or Unit Converter have ads?

Unit Converter shows ads; Converter does not.

### Which is updated more often, Converter or Unit Converter?

Converter ships an update every 2 months, and Unit Converter every 5 weeks. Most recently, Converter was updated on October 25, 2026 and Unit Converter on October 30, 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.*