# Wiki Quick Study｜アシストシステム vs Japan Map Puzzle

The clearest difference is ads: Japan Map Puzzle at none against Wiki Quick Study｜アシストシステム's shown. Wiki Quick Study｜アシストシステム's advantage is update cadence (daily vs fortnightly) and iOS requirement (15.6 vs 17.0). 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.

Wiki Quick Study｜アシストシステム ships an update daily, Japan Map Puzzle fortnightly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Wiki Quick Study｜アシストシステム | Japan Map Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Size | 26 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Hayakawa](https://appshunter.io/developer/314516929) | [Naoki Chiba](https://appshunter.io/developer/1895372512) |

## What reviewers say

### Wiki Quick Study｜アシストシステム

[App page](https://appshunter.io/ios/app/wiki-quick-study/id6755429456)

**Features:** Vision Pro support

**In-app purchases:** none


### Japan Map Puzzle

[App page](https://appshunter.io/ios/app/japan-map-puzzle-prefectures/id6782287929)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wiki Quick Study｜アシストシステム free?

Wiki Quick Study｜アシストシステム is free to download, with no in-app purchases.

### Is Japan Map Puzzle free?

Japan Map Puzzle is free to download, with no in-app purchases.

### Do Wiki Quick Study｜アシストシステム or Japan Map Puzzle have ads?

Wiki Quick Study｜アシストシステム shows ads; Japan Map Puzzle does not.

### Which is updated more often, Wiki Quick Study｜アシストシステム or Japan Map Puzzle?

Wiki Quick Study｜アシストシステム ships an update daily, and Japan Map Puzzle fortnightly. Most recently, Wiki Quick Study｜アシストシステム was updated on October 30, 2026 and Japan Map Puzzle on November 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.*