# Unit Converter ++ vs Unit Plus Converter

The clearest difference is review sentiment: Unit Plus Converter at 100% against Unit Converter ++'s 20%. Unit Plus Converter also leads on rating (4.7 vs 1.6) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Unit Plus Converter holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Unit Plus Converter has 564 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 100% of Unit Plus Converter's.

Unit Converter ++ ships an update every 9 months, Unit Plus Converter every 5 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Unit Converter ++ | Unit Plus Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews) | **[4.7 (564 ratings)](https://appshunter.io/ios/app/unit-plus-converter/id1475355288/reviews)** |
| Number of ratings | 10 | **564** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 13 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Harjot Singh](https://appshunter.io/developer/1084273258) |

## 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 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 Unit Converter ++ free?

Unit 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, Unit Converter ++ or Unit Plus Converter?

Unit Plus Converter is rated higher. Unit Converter ++ averages 1.6 out of 5 from 10 ratings, while Unit Plus Converter averages 4.7 from 564 ratings.

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

Unit Converter ++ shows ads; Unit Plus Converter does not.

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

Unit Converter ++ ships an update every 9 months, and Unit Plus Converter every 5 months. Most recently, Unit Converter ++ was updated on October 4, 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.*