# Converter vs Unit Plus Converter

The clearest difference is rating: Converter at 4.9 against Unit Plus Converter's 4.7. Converter also leads on update cadence (every 2 months vs every 5 months). Unit Plus Converter's advantage is iOS requirement (11.0 vs 15.6). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Converter holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 897 and 564 respectively. Written reviews complicate that: 94% of Converter's written reviews are positive against 100% of Unit Plus Converter's, so the app with the better star average is not the one people write more warmly about.

Converter ships an update every 2 months, Unit Plus Converter every 5 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | Converter | Unit Plus Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (897 ratings)](https://appshunter.io/ios/app/converter-universal-conversion/id423521445/reviews)** | [4.7 (564 ratings)](https://appshunter.io/ios/app/unit-plus-converter/id1475355288/reviews) |
| Number of ratings | **897** | 564 |
| Positive reviews | 93.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 37 MB | 13 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Harjot Singh](https://appshunter.io/developer/1084273258) |

## 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 Plus Converter

[App page](https://appshunter.io/ios/app/unit-plus-converter/id1475355288)

Easily convert between numerous units and metrics with this intuitive application. It offers over 100 common conversion units across various categories, presented in a simple and elegant interface.

**Highlights:** Over 100 conversion units, Multiple categories, Area conversion, Data conversion, Length conversion, Temperature conversion, Weight-mass conversion

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

**In-app purchases:** none

**What reviewers like**

- 👍 Brilliantly designed
- 👍 Easy to use
- 👍 No annoying banner ads
- 👍 Simple and clear interface
- 👍 Clean design

**What reviewers complain about**

- 🐛 Accuracy concerns (mpg to l/100km)
- 🐛 Conversion accuracy may be an issue

**Requested features**

- Kilogram to stones/pounds conversion
- Fractions of an inch down to 1/32” as a choice for conversion to mm


## Frequently asked questions

### Is Converter free?

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

### Is Unit Plus Converter free?

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

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

Converter is rated higher. Converter averages 4.9 out of 5 from 897 ratings, while Unit Plus Converter averages 4.7 from 564 ratings.

### Do Converter or Unit Plus Converter have ads?

Neither Converter nor Unit Plus Converter shows ads.

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

Converter ships an update every 2 months, and Unit Plus Converter every 5 months. Most recently, Converter was updated on October 14, 2026 and Unit Plus Converter on October 14, 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.*