# AR地形模型 vs 流域 / Ryuiki

The clearest difference is in-app purchases: 流域 / Ryuiki at none against AR地形模型's 1. 流域 / Ryuiki also leads on update cadence (every 2 days vs every 3 months). AR地形模型's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. AR地形模型 sells 1 in-app purchase, starting at $5.49 per year. 流域 / Ryuiki asks for nothing beyond the download.

AR地形模型 ships an update every 3 months, 流域 / Ryuiki every 2 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AR地形模型 | 流域 / Ryuiki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/ar/id1296541691/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiko Sugimoto](https://appshunter.io/developer/1092797285) | [KENTA TORIMOTO](https://appshunter.io/developer/1880253937) |

## What reviewers say

### AR地形模型

[App page](https://appshunter.io/ios/app/ar/id1296541691)

Visualize various maps as 3D terrain models using augmented reality. Overlay GPS data, building models, and even subway routes onto your physical environment. Capture still images and videos of your AR creations.

**Highlights:** AR 3D terrain visualization, Super terrain data support, Multiple map source integration, GPS location display, Building and route overlays, Photo and video capture, Multi-user AR sharing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スーパー地形データの使用 | $5.49 | per year |


### 流域 / Ryuiki

[App page](https://appshunter.io/ios/app/ryuiki/id6759816013)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR地形模型 free?

AR地形模型 is free to download, with in-app purchases available.

### Is 流域 / Ryuiki free?

流域 / Ryuiki is free to download, with no in-app purchases.

### Do AR地形模型 or 流域 / Ryuiki have ads?

Neither AR地形模型 nor 流域 / Ryuiki shows ads.

### Which is updated more often, AR地形模型 or 流域 / Ryuiki?

AR地形模型 ships an update every 3 months, and 流域 / Ryuiki every 2 days. Most recently, AR地形模型 was updated on October 14, 2026 and 流域 / Ryuiki on October 3, 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.*