# Unit Converter ++ vs Unit Converter and Calculator.

The clearest difference is rating: Unit Converter and Calculator. at 4.3 against Unit Converter ++'s 1.6. Unit Converter and Calculator. also leads on update cadence (monthly vs every 9 months) and ratings volume (84 vs 10). Unit Converter ++'s advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

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

Unit Converter and Calculator. holds the better App Store score, 4.3 against 1.6. That said, the two scores are not equally well evidenced: Unit Converter and Calculator. has 84 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 20% of Unit Converter ++'s written reviews are positive against 28% of Unit Converter and Calculator.'s.

Unit Converter ++ ships an update every 9 months, Unit Converter and Calculator. monthly. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Unit Converter ++ | Unit Converter and Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews) | **[4.3 (84 ratings)](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews)** |
| Number of ratings | 10 | **84** |
| Positive reviews | 20.0% of reviews | **28.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 20 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Kemal Bakacak](https://appshunter.io/developer/1475963902) |

## What reviewers say

### Unit Converter ++

[App page](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028)

Easily convert between various units of measurement for length, weight, temperature, volume, and more. This offline tool is designed for travelers, students, and professionals needing quick conversions.

**Highlights:** Converts length, weight, temperature, volume, and more, Supports numerous units of measurement, Works offline, Useful for travelers, students, and professionals, Covers speed, area, pressure, power, and energy units

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

**In-app purchases:** none


### Unit Converter and Calculator.

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

Effortlessly convert between over 1450 units across more than 70 categories with this intuitive and fast mobile application. It offers real-time conversions, offline access, and customizable settings for students, professionals, and travelers.

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

**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 Unit Converter ++ free?

Unit 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, Unit Converter ++ or Unit Converter and Calculator.?

Unit Converter and Calculator. is rated higher. Unit Converter ++ averages 1.6 out of 5 from 10 ratings, while Unit Converter and Calculator. averages 4.3 from 84 ratings.

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

Both Unit Converter ++ and Unit Converter and Calculator. show ads.

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

Unit Converter ++ ships an update every 9 months, and Unit Converter and Calculator. monthly. Most recently, Unit Converter ++ was updated on November 1, 2026 and Unit Converter and Calculator. on November 10, 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.*