# Unit Converter Simple vs ScaleAloha

The clearest difference is ads: ScaleAloha at none against Unit Converter Simple's shown. ScaleAloha also leads on update cadence (every 6 weeks vs every 10 months). Unit Converter Simple's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

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

Unit Converter Simple ships an update every 10 months, ScaleAloha every 6 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Unit Converter Simple | ScaleAloha |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 18 MB | 27 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [Igor Forgac](https://appshunter.io/developer/1703282805) |

## What reviewers say

### Unit Converter Simple

[App page](https://appshunter.io/ios/app/unit-converter-simple/id1531846614)

**Features:** macOS Compatibility

**In-app purchases:** none


### ScaleAloha

[App page](https://appshunter.io/ios/app/scalealoha/id6754256877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter Simple free?

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

### Is ScaleAloha free?

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

### Do Unit Converter Simple or ScaleAloha have ads?

Unit Converter Simple shows ads; ScaleAloha does not.

### Which is updated more often, Unit Converter Simple or ScaleAloha?

Unit Converter Simple ships an update every 10 months, and ScaleAloha every 6 weeks. Most recently, Unit Converter Simple was updated on September 21, 2026 and ScaleAloha on September 13, 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.*