# Hikone Castle Explorer! vs AR芥川城

The clearest difference is update cadence: AR芥川城 at fortnightly against Hikone Castle Explorer!'s every 11 months. AR芥川城 also leads on iOS requirement (12.0 vs 15.0). On price, ads, 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.

Hikone Castle Explorer! ships an update every 11 months, AR芥川城 fortnightly. The most recent releases landed on June 24, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Hikone Castle Explorer! | AR芥川城 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 326 MB | 118 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [xeen, Inc.](https://appshunter.io/developer/334646799) | [USAC SYSTEM CO.,LTD.](https://appshunter.io/developer/409320431) |

## What reviewers say

### Hikone Castle Explorer!

[App page](https://appshunter.io/ios/app/hikone-castle-explorer/id1546436357)

Explore Japan's National Treasure, Hikone Castle, through engaging videos and interactive games. Learn about its history, design, and samurai culture with expert commentary. Experience a virtual siege and use AR to wear a historical helmet.

**Highlights:** Historical explanations via map, Secrets of Hikone Castle video, Interactive siege game, AR helmet experience, Multilingual support

**In-app purchases:** none


### AR芥川城

[App page](https://appshunter.io/ios/app/ar/id6446186281)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hikone Castle Explorer! free?

Hikone Castle Explorer! is free to download, with no in-app purchases.

### Is AR芥川城 free?

AR芥川城 is free to download, with no in-app purchases.

### Do Hikone Castle Explorer! or AR芥川城 have ads?

Neither Hikone Castle Explorer! nor AR芥川城 shows ads.

### Which is updated more often, Hikone Castle Explorer! or AR芥川城?

Hikone Castle Explorer! ships an update every 11 months, and AR芥川城 fortnightly. Most recently, Hikone Castle Explorer! was updated on June 24, 2026 and AR芥川城 on September 12, 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.*