# Simurelay Full Access vs Custom Unit Converter

The clearest difference is price: Custom Unit Converter at Free against Simurelay Full Access's $14.99. Simurelay Full Access's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and iOS requirement there is nothing between them.

Custom Unit Converter is free to download; Simurelay Full Access costs $14.99 up front. Custom Unit Converter sells 1 in-app purchase, starting at $0.49 per month. Simurelay Full Access asks for nothing beyond the download.

Simurelay Full Access ships an update every 10 days, Custom Unit Converter fortnightly. The most recent releases landed on September 12, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | Simurelay Full Access | Custom Unit Converter |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 19 MB | 12 MB |
| Requires iOS | **15.6** | 16.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abdessamed Benkabouya](https://appshunter.io/developer/1580180866) | [Tsuyoshi Ninomiya](https://appshunter.io/developer/1840418816) |

## What reviewers say

### Simurelay Full Access

[App page](https://appshunter.io/ios/app/simurelay-full-access/id6746510006)

**Features:** Vision Pro support

**In-app purchases:** none


### Custom Unit Converter

[App page](https://appshunter.io/ios/app/custom-unit-converter-myunit/id6752657586)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MyUnit | $0.49 | per month |


## Frequently asked questions

### Is Simurelay Full Access free?

Simurelay Full Access costs $14.99, with no in-app purchases.

### Is Custom Unit Converter free?

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

### Do Simurelay Full Access or Custom Unit Converter have ads?

Custom Unit Converter shows ads; Simurelay Full Access does not.

### Which is updated more often, Simurelay Full Access or Custom Unit Converter?

Simurelay Full Access ships an update every 10 days, and Custom Unit Converter fortnightly. Most recently, Simurelay Full Access was updated on September 12, 2026 and Custom Unit Converter on July 18, 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.*