# SOSLight vs Smart Unit Converter Plus

The clearest difference is ads: Smart Unit Converter Plus at none against SOSLight's shown. Smart Unit Converter Plus also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price 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.

## The numbers

| Metric | SOSLight | Smart Unit Converter Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 2 MB | 22 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [heewook shin](https://appshunter.io/developer/1516827497) | [海彬 唐](https://appshunter.io/developer/6771846427) |

## What reviewers say

### SOSLight

[App page](https://appshunter.io/ios/app/soslight-morse-flashlight/id6771022870)

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

**In-app purchases:** none


### Smart Unit Converter Plus

[App page](https://appshunter.io/ios/app/smart-unit-converter-plus/id6787842603)

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

**In-app purchases:** none


## Frequently asked questions

### Is SOSLight free?

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

### Is Smart Unit Converter Plus free?

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

### Do SOSLight or Smart Unit Converter Plus have ads?

SOSLight shows ads; Smart Unit Converter Plus does not.

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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.*