# Unit Converter vs Units+

The clearest difference is update cadence: Unit Converter at weekly against Units+'s every 5 months. Unit Converter also leads on ratings volume (1.5K vs 375). Units+'s advantage is iOS requirement (15.5 vs 17.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Unit Converter sells 3 in-app purchases, starting at $2.99 per month and Units+ sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Unit Converter against 4.8 for Units+. Both are backed by a comparable volume of ratings — 1.5K and 375 respectively. Written reviews are what separate them: 88% of Unit Converter's written reviews are positive against 85% of Units+'s.

Unit Converter ships an update weekly, Units+ every 5 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Unit Converter | Units+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/unit-converter-milas-tools/id403110615/reviews) | [4.8 (375 ratings)](https://appshunter.io/ios/app/units-plus/id687296545/reviews) |
| Number of ratings | **1.5K** | 375 |
| Positive reviews | **87.6% of reviews** | 85.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 4 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [Hebaallah Hossameldien](https://appshunter.io/developer/1632619093) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-milas-tools/id403110615)

This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.

**Highlights:** 27 conversion categories, 300+ units, Compound unit support, Date calculator, Fractions and number conversions, Historical units, Customizable interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mila's Tools PRO Monthly | $2.99 | per month |
| Mila's Tools PRO Yearly | $6.99 | per year |
| Mila's Tools PRO Lifetime | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate conversions
- 💡 Comprehensive list of units
- 🔍 Convenient for everyday use
- ⭐ Reliable and consistent

**What reviewers complain about**

- 🐛 Scrolling issues on newer devices
- 🔍 Limited customization options
- 💰 Desire for free version to remain free

**Reported bugs**

- Crashes or freezes on some devices
- Conversion results not displaying properly

**Requested features**

- Ability to customize order of conversion units
- Addition of more specialized units (e.g. astronomical distances)
- Improved scrolling functionality on all devices


### Units+

[App page](https://appshunter.io/ios/app/units-plus/id687296545)

Easily convert between over 260 measurement units across 22 categories and get real-time currency exchange rates for more than 160 currencies. Quickly find units or bookmark frequent conversions for efficient use.

**Highlights:** 260+ measurement units, 22 unit categories, 160+ currencies, Real-time exchange rates, Unit search, Bookmarking conversions

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Features | Free | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Reliable tool
- 👍 Versatile converter
- 👍 Great for various conversions (mass, temps, currency, distances)
- 👍 Does what it needs to do

**What reviewers complain about**

- 😠 Too many ads
- 😠 Ads without an X to close
- 😠 Negative sentiment towards the app's creator/provider (implied by one review)
- 😐 Fuel economy display issues (mpg/liters to 100)
- 😐 Some discrepancy in currency accuracy noted

**Reported bugs**

- Ads don't have an X to close

**Requested features**

- Add a Notification Center widget
- Way to mark favorite types of conversions


## Frequently asked questions

### Is Unit Converter free?

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

### Is Units+ free?

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

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

Unit Converter and Units+ are both rated 4.8 out of 5 on the App Store, from 1.5K and 375 ratings respectively.

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

Both Unit Converter and Units+ show ads.

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

Unit Converter ships an update weekly, and Units+ every 5 months. Most recently, Unit Converter was updated on October 19, 2026 and Units+ on October 15, 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.*