# Touch The Number vs Kioku?：Number Memory

The clearest difference is in-app purchases: Touch The Number at none against Kioku?：Number Memory's 1. Touch The Number also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Kioku?：Number Memory's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price there is nothing between them.

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

Touch The Number ships an update every 3 months, Kioku?：Number Memory every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Touch The Number | Kioku?：Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 13 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Yuichi Hiruta](https://appshunter.io/developer/912365793) |

## What reviewers say

### Touch The Number

[App page](https://appshunter.io/ios/app/touch-the-number-simple/id1622346277)

**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 Touch The Number free?

Touch The Number 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 Touch The Number or Kioku?：Number Memory have ads?

Touch The Number shows ads; Kioku?：Number Memory does not.

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

Touch The Number ships an update every 3 months, and Kioku?：Number Memory every 2 days. Most recently, Touch The Number was updated on October 25, 2026 and Kioku?：Number Memory 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.*