# Units+ vs Unit Converter

The clearest difference is in-app purchases: Unit Converter at none against Units+'s 2. Unit Converter also leads on ads (none vs shown) and update cadence (weekly vs every 5 months). Units+'s advantage is ratings volume (375 vs 18) and device support (3 vs 1). On price, rating and review sentiment there is nothing between them.

Both are free to download. Units+ sells 2 one-off in-app purchases. Unit Converter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Units+ against 4.9 for Unit Converter. That said, the two scores are not equally well evidenced: Units+ has 375 ratings behind it against 18, so its average is the more settled of the two. Written reviews are what separate them: 85% of Units+'s written reviews are positive against 90% of Unit Converter's.

Units+ ships an update every 5 months, Unit Converter weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Units+ | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (375 ratings)](https://appshunter.io/ios/app/units-plus/id687296545/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/unit-converter-scientific/id6692634387/reviews)** |
| Number of ratings | **375** | 18 |
| Positive reviews | 85.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 4 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hebaallah Hossameldien](https://appshunter.io/developer/1632619093) | [Ahmet Burak Albayrak](https://appshunter.io/developer/1769045837) |

## What reviewers say

### 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


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-scientific/id6692634387)

Easily perform instant unit conversions across a vast array of categories, from engineering to everyday life. Features include dark mode, favorites, and dual language support for enhanced usability. Ideal for scientists, engineers, students, and anyone needing quick, accurate conversions.

**Highlights:** Extensive conversion categories, Dark mode for night use, Favorite frequently used conversions, Dual language support, Offline functionality, User feedback option

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

**In-app purchases:** none


## Frequently asked questions

### Is Units+ free?

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

### Is Unit Converter free?

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

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

Unit Converter is rated higher. Units+ averages 4.7 out of 5 from 375 ratings, while Unit Converter averages 4.9 from 18 ratings.

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

Units+ shows ads; Unit Converter does not.

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

Units+ ships an update every 5 months, and Unit Converter weekly. Most recently, Units+ was updated on October 23, 2026 and Unit Converter on October 24, 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.*