# Units vs EMbrief

The clearest difference is price: Units at Free against EMbrief's $1.99. Units also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). EMbrief's advantage is in-app purchases (none vs 3) and update cadence (every 9 days vs every 5 weeks). On ads there is nothing between them.

Units is free to download; EMbrief costs $1.99 up front. Units sells 3 in-app purchases, starting at $0.99 per month. EMbrief asks for nothing beyond the download.

Units ships an update every 5 weeks, EMbrief every 9 days. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Units | EMbrief |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (261 ratings)](https://appshunter.io/ios/app/units-unit-converter/id1527329982/reviews)** | — |
| Number of ratings | **261** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 119 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Maier](https://appshunter.io/developer/454364359) | [Javier De Jorge Sanchez Garnica](https://appshunter.io/developer/1544791095) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-unit-converter/id1527329982)

Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.

**Highlights:** Extensive unit conversions, Multiple currency support, Easy and clear handling, Converts length, mass, volume, Supports speed, area, pressure, Converts time and temperature

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| One time purchase | $9.99 | one-time |


### EMbrief

[App page](https://appshunter.io/ios/app/embrief/id6470392900)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Units free?

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

### Is EMbrief free?

EMbrief costs $1.99, with no in-app purchases.

### Do Units or EMbrief have ads?

Neither Units nor EMbrief shows ads.

### Which is updated more often, Units or EMbrief?

Units ships an update every 5 weeks, and EMbrief every 9 days. Most recently, Units was updated on October 11, 2026 and EMbrief on October 5, 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.*