# RIU vs Kartoteka

The clearest difference is review sentiment: Kartoteka at 100% against RIU's 0%. Kartoteka also leads on in-app purchases (none vs 4) and device support (3 vs 1). RIU's advantage is update cadence (every 2 days vs every 2 weeks). On price and ads there is nothing between them.

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

RIU ships an update every 2 days, Kartoteka every 2 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | RIU | Kartoteka |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 292 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MANAV](https://appshunter.io/developer/1640001017) | [Seda Martirosyan](https://appshunter.io/developer/1742337080) |

## What reviewers say

### 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 |


### Kartoteka

[App page](https://appshunter.io/ios/app/kartoteka/id6499072779)

Visualize and virtually try on a wide range of building materials, furniture, and decor items. See how different products look in your space before ordering directly from manufacturers.

**Highlights:** Virtual try-on for paving slabs, bricks, and wallpaper, Visualize furniture, carpets, kitchens, and bathrooms, Select colors, shapes, and finishes, Order products directly from manufacturers, Adjust lighting and surface polishing, Save time and resources on physical fittings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RIU free?

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

### Is Kartoteka free?

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

### Do RIU or Kartoteka have ads?

Neither RIU nor Kartoteka shows ads.

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

RIU ships an update every 2 days, and Kartoteka every 2 weeks. Most recently, RIU was updated on November 4, 2026 and Kartoteka on November 4, 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.*