# RIU vs Tab Buddy

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

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

RIU ships an update every 2 days, Tab Buddy every 3 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | RIU | Tab Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/tab-buddy/id6742390560/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [MANAV](https://appshunter.io/developer/1640001017) | [Gamic Arts LLC](https://appshunter.io/developer/1514546976) |

## 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 |


### Tab Buddy

[App page](https://appshunter.io/ios/app/tab-buddy/id6742390560)

This app helps musicians practice songs by displaying text-based or PDF tab files. Users can adjust scrolling speed, zoom, and font size for an optimal practice experience. It supports various instruments and offers a clean interface for easy file import and playback.

**Highlights:** Open .txt or .pdf tab files, Adjustable scroll speed, Pinch-to-zoom for font size, Clean, easy-to-read interface, Simple file importer, Support for monospaced text and PDF

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RIU free?

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

### Is Tab Buddy free?

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

### Do RIU or Tab Buddy have ads?

Neither RIU nor Tab Buddy shows ads.

### Which is updated more often, RIU or Tab Buddy?

RIU ships an update every 2 days, and Tab Buddy every 3 months. Most recently, RIU was updated on November 4, 2026 and Tab Buddy 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.*