# Converter vs Unit Converter and Calculator.

The clearest difference is review sentiment: Converter at 94% against Unit Converter and Calculator.'s 28%. Converter also leads on rating (4.9 vs 4.3) and in-app purchases (none vs 1). Unit Converter and Calculator.'s advantage is update cadence (monthly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

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

Converter holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Converter has 981 ratings behind it against 83, so its average is the more settled of the two. Written reviews point the same way: 94% of Converter's written reviews are positive against 28% of Unit Converter and Calculator.'s.

Converter ships an update every 2 months, Unit Converter and Calculator. monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Converter | Unit Converter and Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (981 ratings)](https://appshunter.io/ios/app/converter-universal-conversion/id423521445/reviews)** | [4.3 (83 ratings)](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews) |
| Number of ratings | **981** | 83 |
| Positive reviews | **93.9% of reviews** | 28.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 19 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Kemal Bakacak](https://appshunter.io/developer/1475963902) |

## 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 and Calculator.

[App page](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634)

Effortlessly perform a vast array of unit conversions with this comprehensive mobile application. It offers real-time, accurate results across over 70 categories and 1450 units, featuring a user-friendly design and offline access.

**Highlights:** Real-time conversions, Over 70 categories, More than 1450 units, Offline access, User-friendly design, Customizable settings, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium, All Calculation Units | $2.99 | one-time |


## Frequently asked questions

### Is Converter free?

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

### Is Unit Converter and Calculator. free?

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

### Which has better reviews, Converter or Unit Converter and Calculator.?

Converter is rated higher. Converter averages 4.9 out of 5 from 981 ratings, while Unit Converter and Calculator. averages 4.3 from 83 ratings.

### Do Converter or Unit Converter and Calculator. have ads?

Unit Converter and Calculator. shows ads; Converter does not.

### Which is updated more often, Converter or Unit Converter and Calculator.?

Converter ships an update every 2 months, and Unit Converter and Calculator. monthly. Most recently, Converter was updated on October 25, 2026 and Unit Converter and Calculator. on October 27, 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.*