# Unit Converter ++ vs Unit Converter

The clearest difference is review sentiment: Unit Converter at 100% against Unit Converter ++'s 20%. Unit Converter also leads on rating (5.0 vs 1.6) and update cadence (weekly vs every 9 months). Unit Converter ++'s advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Unit Converter holds the better App Store score, 5.0 against 1.6. Both are backed by a comparable volume of ratings — 10 and 42 respectively. Written reviews point the same way: 20% of Unit Converter ++'s written reviews are positive against 100% of Unit Converter's.

Unit Converter ++ ships an update every 9 months, Unit Converter weekly. The most recent releases landed on October 9, 2026 and October 24, 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) | **[5.0 (42 ratings)](https://appshunter.io/ios/app/unit-converter-omniconvert/id1602930764/reviews)** |
| Number of ratings | 10 | **42** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 35 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Jonathan Chen](https://appshunter.io/developer/1602930766) |

## 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-converter-omniconvert/id1602930764)

This app provides a comprehensive suite of tools for unit and currency conversions, along with various calculators and scientific constants. It offers real-time exchange rates, works offline, and supports a wide range of categories. Enjoy a user-friendly experience with features like dark mode and no conversion limits.

**Highlights:** Unit conversions, Currency conversions, Real-time exchange rates, Offline functionality, Variety of calculators, Scientific constants, Dark mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OmniConvert Pro | $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 free?

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

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

Unit Converter is rated higher. Unit Converter ++ averages 1.6 out of 5 from 10 ratings, while Unit Converter averages 5.0 from 42 ratings.

### 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 weekly. Most recently, Unit Converter ++ was updated on October 9, 2026 and Unit Converter on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*