# HighSpeed! Numbers vs Sosu der

The clearest difference is ads: HighSpeed! Numbers at none against Sosu der's shown. HighSpeed! Numbers also leads on iOS requirement (9.1 vs 15.0). Sosu der's advantage is update cadence (every 4 months vs every 11 months). 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.

HighSpeed! Numbers ships an update every 11 months, Sosu der every 4 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HighSpeed! Numbers | Sosu der |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/highspeed-numbers/id896951060/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 156 MB | 140 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takemi Matsumoto](https://appshunter.io/developer/570173509) | [Hirobumi Onishi](https://appshunter.io/developer/1740115066) |

## What reviewers say

### HighSpeed! Numbers

[App page](https://appshunter.io/ios/app/highspeed-numbers/id896951060)

A quick-paced brain training game where players tap numbers in ascending order within a time limit. It enhances cognitive skills like dynamic and peripheral vision. Ideal for short bursts of play anytime.

**Highlights:** Tap numbers in order, Timed gameplay, Combination scoring, Decimal and hexadecimal modes, Dynamic vision training, Peripheral vision training

**Features:** macOS Compatibility

**In-app purchases:** none


### Sosu der

[App page](https://appshunter.io/ios/app/sosu-der/id6483364985)

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

**In-app purchases:** none


## Frequently asked questions

### Is HighSpeed! Numbers free?

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

### Is Sosu der free?

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

### Do HighSpeed! Numbers or Sosu der have ads?

Sosu der shows ads; HighSpeed! Numbers does not.

### Which is updated more often, HighSpeed! Numbers or Sosu der?

HighSpeed! Numbers ships an update every 11 months, and Sosu der every 4 months. Most recently, HighSpeed! Numbers was updated on October 7, 2026 and Sosu der on October 25, 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.*