# SOLAS4 vs UK Flag Test

The clearest difference is price: SOLAS4 at $1.99 against UK Flag Test's $6.99. SOLAS4 also leads on device support. On in-app purchases and iOS requirement there is nothing between them.

SOLAS4 costs $1.99 and UK Flag Test $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SOLAS4 | UK Flag Test |
| --- | --- | --- |
| Price | **$1.99** | $6.99 |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 69 MB | 12 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) |

## What reviewers say

### SOLAS4

[App page](https://appshunter.io/ios/app/solas4/id6468890931)

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

**In-app purchases:** none


### UK Flag Test

[App page](https://appshunter.io/ios/app/uk-flag-test-master-ces-test/id6468913156)

**In-app purchases:** none


## Frequently asked questions

### Is SOLAS4 free?

SOLAS4 costs $1.99, with no in-app purchases.

### Is UK Flag Test free?

UK Flag Test costs $6.99, with no in-app purchases.

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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.*