# Units vs Unit Plus Converter

The clearest difference is rating: Unit Plus Converter at 4.7 against Units's 3.6. Unit Plus Converter also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 3). Units's advantage is update cadence (monthly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Units sells 3 one-off in-app purchases. Unit Plus Converter asks for nothing beyond the download.

Unit Plus Converter holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 150 and 564 respectively. Written reviews point the same way: 60% of Units's written reviews are positive against 100% of Unit Plus Converter's.

Units ships an update monthly, Unit Plus Converter every 5 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Units | Unit Plus Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (150 ratings)](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017/reviews) | **[4.7 (564 ratings)](https://appshunter.io/ios/app/unit-plus-converter/id1475355288/reviews)** |
| Number of ratings | 150 | **564** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 13 MB |
| Requires iOS | 13.5 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Homegrown Software Ltd](https://appshunter.io/developer/406645730) | [Harjot Singh](https://appshunter.io/developer/1084273258) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-pro-unit-converter/id284574017)

Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.

**Highlights:** Hundreds of units across 43 categories, Daily updated currency exchange rates, Hide unused units, Reorder units and categories, Universal app support (iPhone, iPod touch, iPad)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |

**What reviewers like**

- 🚀 Efficient and fast conversions
- 👍 Comprehensive list of units
- 🔍 Customizable unit selection
- 💰 Free app with optional paid version
- 🔧 Useful for engineering and technical work

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🕰️ Outdated currency conversion rates
- 🔍 Too many unit categories, hard to navigate
- 💰 Ads in free version
- 📏 Ruler feature not accurate on some devices

**Reported bugs**

- Crashes when clearing input fields
- Numerical keypad covers conversion results
- Incompatibility issues with newer iOS versions
- Ruler measurements not accurate on all devices

**Requested features**

- Add nautical units (miles, knots)
- Improve currency conversion accuracy and updates
- Allow customization of visible unit categories
- Add more clothing/shoe size conversions
- Improve user interface and search functionality


### 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 Units free?

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

### Is Unit Plus Converter free?

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

### Which has better reviews, Units or Unit Plus Converter?

Unit Plus Converter is rated higher. Units averages 3.6 out of 5 from 150 ratings, while Unit Plus Converter averages 4.7 from 564 ratings.

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

Units shows ads; Unit Plus Converter does not.

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

Units ships an update monthly, and Unit Plus Converter every 5 months. Most recently, Units was updated on October 15, 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.*