# RM XSMART vs My Unit Conversion

The clearest difference is iOS requirement: My Unit Conversion at 8.0 against RM XSMART's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RM XSMART ships an update every 7 months, My Unit Conversion every 12 months. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | RM XSMART | My Unit Conversion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | — | Free |
| Size | 80 MB | 37 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rubble Master HMH GmbH](https://appshunter.io/developer/1238762857) | [Mark Timmings](https://appshunter.io/developer/1583590476) |

## What reviewers say

### RM XSMART

[App page](https://appshunter.io/ios/app/rm-xsmart/id1238762858)

**In-app purchases:** none


### My Unit Conversion

[App page](https://appshunter.io/ios/app/my-unit-conversion/id1600275661)

Easily convert units within various categories like length, mass, and temperature. This free application handles decimal conversions and is ad-free, offering a straightforward utility for everyday needs.

**Highlights:** Unit conversion within categories, Supports decimals, Ad-free experience, Multiple categories supported, Simple and straightforward design

**In-app purchases:** none


## Frequently asked questions

### Is RM XSMART free?

RM XSMART is free to download, with no in-app purchases.

### Is My Unit Conversion free?

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

### Do RM XSMART or My Unit Conversion have ads?

Neither RM XSMART nor My Unit Conversion shows ads.

### Which is updated more often, RM XSMART or My Unit Conversion?

RM XSMART ships an update every 7 months, and My Unit Conversion every 12 months. Most recently, RM XSMART was updated on September 21, 2026 and My Unit Conversion on June 1, 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.*