# Flash Numbers! vs OOSLP

The clearest difference is in-app purchases: Flash Numbers! at none against OOSLP's 1. Flash Numbers! also leads on iOS requirement (6.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OOSLP sells 1 one-off in-app purchase. Flash Numbers! asks for nothing beyond the download.

## The numbers

| Metric | Flash Numbers! | OOSLP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/flash-numbers/id1137836059/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 24 MB | 16 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YUTA MIYOSHI](https://appshunter.io/developer/878543402) | [BRIAN CHRISTOPHER JONES](https://appshunter.io/developer/1866275783) |

## What reviewers say

### Flash Numbers!

[App page](https://appshunter.io/ios/app/flash-numbers/id1137836059)

Test your memory with this quick-reaction game where numbers flash on screen for a single second. Your goal is to recall and enter the displayed number accurately. It's a simple yet challenging way to sharpen your cognitive skills.

**Highlights:** Number recall challenge, One-second display, Memory testing, Quick reaction gameplay, Simple interface

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

**In-app purchases:** none


### OOSLP

[App page](https://appshunter.io/ios/app/ooslp/id6757654920)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is Flash Numbers! free?

Flash Numbers! is free to download, with no in-app purchases.

### Is OOSLP free?

OOSLP is free to download, with in-app purchases available.

### Do Flash Numbers! or OOSLP have ads?

Neither Flash Numbers! nor OOSLP shows ads.

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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.*