# VR郡山城 vs OshiroCho ~Castle Diary~

The clearest difference is update cadence: VR郡山城 at every 5 days against OshiroCho ~Castle Diary~'s monthly. VR郡山城 also leads on iOS requirement (15.0 vs 17.0). 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.

VR郡山城 ships an update every 5 days, OshiroCho ~Castle Diary~ monthly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | VR郡山城 | OshiroCho ~Castle Diary~ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free | — |
| Size | 132 MB | 96 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UC Technology Corporation](https://appshunter.io/developer/558488148) | [takeru urushihara](https://appshunter.io/developer/1865114300) |

## What reviewers say

### VR郡山城

[App page](https://appshunter.io/ios/app/vr/id1208352177)

Experience a VR recreation of Koriyama Castle during Toyotomi Hidenaga's era. Explore the castle grounds in VR by walking around the ruins, or choose specific viewpoints to see the reconstructed castle from different locations.

**Highlights:** VR experience of Koriyama Castle, Real-time CG overlay on castle ruins, 360-degree panorama from the keep, Choose specific viewpoints for VR, Explore castle from anywhere

**Features:** Vision Pro support

**In-app purchases:** none


### OshiroCho ~Castle Diary~

[App page](https://appshunter.io/ios/app/oshirocho-castle-diary/id6767598604)

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

**In-app purchases:** none


## Frequently asked questions

### Is VR郡山城 free?

VR郡山城 is free to download, with no in-app purchases.

### Is OshiroCho ~Castle Diary~ free?

OshiroCho ~Castle Diary~ is free to download, with no in-app purchases.

### Do VR郡山城 or OshiroCho ~Castle Diary~ have ads?

Neither VR郡山城 nor OshiroCho ~Castle Diary~ shows ads.

### Which is updated more often, VR郡山城 or OshiroCho ~Castle Diary~?

VR郡山城 ships an update every 5 days, and OshiroCho ~Castle Diary~ monthly. Most recently, VR郡山城 was updated on October 16, 2026 and OshiroCho ~Castle Diary~ on October 19, 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.*