# ReefScan vs RIU

The clearest difference is in-app purchases: ReefScan at none against RIU's 4. ReefScan also leads on iOS requirement (14.0 vs 17.0). RIU's advantage is update cadence (every 2 days vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. RIU sells 4 in-app purchases, starting at $7.99 per 7 days. ReefScan asks for nothing beyond the download.

ReefScan ships an update every 23 months, RIU every 2 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ReefScan | RIU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reefscan/id6444350547/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 17 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CraniaLab, LLC](https://appshunter.io/developer/1495242488) | [MANAV](https://appshunter.io/developer/1640001017) |

## What reviewers say

### ReefScan

[App page](https://appshunter.io/ios/app/reefscan/id6444350547)

Capture underwater images and depth data to create 3D models with a companion desktop application. This tool is fast, accurate, and versatile, working both above and below water.

**Highlights:** Underwater image and depth map collection, 3D model creation with MacOS companion app, Fast and accurate scanning, Above-water scanning capability, Compatibility with other photogrammetry apps

**Features:** macOS Compatibility

**In-app purchases:** none


### RIU

[App page](https://appshunter.io/ios/app/riu-3d-scanner/id6479301523)

Transform your device into a professional 3D scanning tool. Effortlessly create high-quality 3D models of objects and environments using advanced LiDAR and panoramic camera features. Designed for simplicity, it makes professional-grade 3D scanning accessible to everyone.

**Highlights:** Object scanning to digital 3D models, LiDAR camera for precise environmental scans, 360-degree panoramic view creation, User-friendly interface, Pro version for unlimited potential

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rio Pro Weekly trial | $7.99 | per 7 days |
| Riu Pro Weekly | $7.99 | per 7 days |
| Riu Pro Yearly | $69.99 | per year |
| Riu Pro Yearly Trial | $79.99 | per year |


## Frequently asked questions

### Is ReefScan free?

ReefScan is free to download, with no in-app purchases.

### Is RIU free?

RIU is free to download, with in-app purchases available.

### Do ReefScan or RIU have ads?

Neither ReefScan nor RIU shows ads.

### Which is updated more often, ReefScan or RIU?

ReefScan ships an update every 23 months, and RIU every 2 days. Most recently, ReefScan was updated on October 3, 2026 and RIU on October 13, 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.*