# スカイツリーAi vs Iimori Castle VR

The clearest difference is ads: Iimori Castle VR at none against スカイツリーAi's shown. Iimori Castle VR also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (15.0 vs 18.0). 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.

スカイツリーAi ships an update every 9 months, Iimori Castle VR every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | スカイツリーAi | Iimori Castle VR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 12 MB | 1.0 GB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SmartUF Co., Ltd.](https://appshunter.io/developer/516335313) | [xeen](https://appshunter.io/developer/334646799) |

## What reviewers say

### スカイツリーAi

[App page](https://appshunter.io/ios/app/ai-map/id535545716)

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

**In-app purchases:** none


### Iimori Castle VR

[App page](https://appshunter.io/ios/app/iimori-castle-vr/id1615348081)

**In-app purchases:** none


## Frequently asked questions

### Is スカイツリーAi free?

スカイツリーAi is free to download, with no in-app purchases.

### Is Iimori Castle VR free?

Iimori Castle VR is free to download, with no in-app purchases.

### Do スカイツリーAi or Iimori Castle VR have ads?

スカイツリーAi shows ads; Iimori Castle VR does not.

### Which is updated more often, スカイツリーAi or Iimori Castle VR?

スカイツリーAi ships an update every 9 months, and Iimori Castle VR every 2 months. Most recently, スカイツリーAi was updated on November 6, 2026 and Iimori Castle VR on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*