# SoccerPlank vs Kioku?：Number Memory

The clearest difference is in-app purchases: SoccerPlank at none against Kioku?：Number Memory's 1. SoccerPlank also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Kioku?：Number Memory's advantage is update cadence (every 2 days vs every 5 days). On price and ads there is nothing between them.

Both are free to download. Kioku?：Number Memory sells 1 one-off in-app purchase. SoccerPlank asks for nothing beyond the download.

SoccerPlank ships an update every 5 days, Kioku?：Number Memory every 2 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SoccerPlank | Kioku?：Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 46 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [俊灏 洪](https://appshunter.io/developer/1892054223) | [Yuichi Hiruta](https://appshunter.io/developer/912365793) |

## What reviewers say

### SoccerPlank

[App page](https://appshunter.io/ios/app/soccerplank/id6766802947)

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

**In-app purchases:** none


### Kioku?：Number Memory

[App page](https://appshunter.io/ios/app/kiokunumber-memory/id6782825314)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is SoccerPlank free?

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

### Is Kioku?：Number Memory free?

Kioku?：Number Memory is free to download, with in-app purchases available.

### Do SoccerPlank or Kioku?：Number Memory have ads?

Neither SoccerPlank nor Kioku?：Number Memory shows ads.

### Which is updated more often, SoccerPlank or Kioku?：Number Memory?

SoccerPlank ships an update every 5 days, and Kioku?：Number Memory every 2 days. Most recently, SoccerPlank was updated on October 8, 2026 and Kioku?：Number Memory on October 10, 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.*