# Unit Converter ++ vs Unit Ⅽonverter

The clearest difference is in-app purchases: Unit Converter ++ at none against Unit Ⅽonverter's 2. Unit Converter ++ also leads on iOS requirement (11.0 vs 18.0). Unit Ⅽonverter's advantage is update cadence (every 3 weeks vs every 9 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Unit Ⅽonverter sells 2 in-app purchases, starting at $1.99 per month. Unit Converter ++ asks for nothing beyond the download.

Unit Converter ++ ships an update every 9 months, Unit Ⅽonverter every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Unit Converter ++ | Unit Ⅽonverter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 8 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Polymath Company Limited](https://appshunter.io/developer/1072350394) |

## 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

[App page](https://appshunter.io/ios/app/unit-onverter/id1499479393)

Easily convert between over 1600 units of measurement across 75 categories, including custom units and complex calculations. Supports offline mode and offers a convenient history of your conversions.

**Highlights:** Convert over 1600 units in 75 categories, Supports custom units and combinations, Calculator for expression input, View conversion histories, Add favorite units, Offline mode, Copy and share results

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitConverterPremiumMonthly | $1.99 | per month |
| UnitConverterPremiumLifeTime | $33.99 | one-time |


## Frequently asked questions

### Is Unit Converter ++ free?

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

### Is Unit Ⅽonverter free?

Unit Ⅽonverter is free to download, with in-app purchases available.

### Do Unit Converter ++ or Unit Ⅽonverter have ads?

Both Unit Converter ++ and Unit Ⅽonverter show ads.

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

Unit Converter ++ ships an update every 9 months, and Unit Ⅽonverter every 3 weeks. Most recently, Unit Converter ++ was updated on October 9, 2026 and Unit Ⅽonverter on October 12, 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.*