# Unit Converter ++ vs Unit Converter SW

The clearest difference is rating: Unit Converter ++ at 1.6 against Unit Converter SW's 1.0. Unit Converter ++ also leads on review sentiment (20% vs 0%) and ratings volume (10 vs 1). Unit Converter SW's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Unit Converter ++ holds the better App Store score, 1.6 against 1.0. That said, the two scores are not equally well evidenced: Unit Converter ++ has 10 ratings behind it against 1, 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 0% of Unit Converter SW's.

Unit Converter ++ ships an update every 9 months, Unit Converter SW every 6 weeks. The most recent releases landed on October 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Unit Converter ++ | Unit Converter SW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-sw/id1542445498/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 43 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Carmelo Scuderi](https://appshunter.io/developer/1455896258) |

## 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 SW

[App page](https://appshunter.io/ios/app/unit-converter-sw/id1542445498)

This app offers a comprehensive unit conversion tool with over 30 categories and hundreds of conversions. It includes an integrated calculator for quick calculations without leaving the app. Perform conversions for various measurements like length, temperature, and data, all while working offline.

**Highlights:** 30+ unit categories, Hundreds of conversions, Integrated calculator, Offline functionality, Quick conversion screen, Supports various measurements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter ++ free?

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

### Is Unit Converter SW free?

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

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

Unit Converter ++ is rated higher. Unit Converter ++ averages 1.6 out of 5 from 10 ratings, while Unit Converter SW averages 1.0 from 1 ratings.

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

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

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

Unit Converter ++ ships an update every 9 months, and Unit Converter SW every 6 weeks. Most recently, Unit Converter ++ was updated on October 9, 2026 and Unit Converter SW on September 17, 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.*