# 3D Ball Link Puzzle vs Kioku?：Number Memory

The clearest difference is in-app purchases: 3D Ball Link Puzzle at none against Kioku?：Number Memory's 1. Kioku?：Number Memory's advantage is ads (none vs shown) and update cadence (every 2 days vs every 8 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Kioku?：Number Memory sells 1 one-off in-app purchase. 3D Ball Link Puzzle asks for nothing beyond the download.

3D Ball Link Puzzle ships an update every 8 days, Kioku?：Number Memory every 2 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 3D Ball Link Puzzle | Kioku?：Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 39 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RESOANA](https://appshunter.io/developer/1759295590) | [Yuichi Hiruta](https://appshunter.io/developer/912365793) |

## What reviewers say

### 3D Ball Link Puzzle

[App page](https://appshunter.io/ios/app/3d-ball-link-puzzle/id6745434825)

**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 3D Ball Link Puzzle free?

3D Ball Link Puzzle 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 3D Ball Link Puzzle or Kioku?：Number Memory have ads?

3D Ball Link Puzzle shows ads; Kioku?：Number Memory does not.

### Which is updated more often, 3D Ball Link Puzzle or Kioku?：Number Memory?

3D Ball Link Puzzle ships an update every 8 days, and Kioku?：Number Memory every 2 days. Most recently, 3D Ball Link Puzzle was updated on October 25, 2026 and Kioku?：Number Memory on November 5, 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.*