# Matte Viewer vs Spatial Converter

The clearest difference is price: Matte Viewer at Free against Spatial Converter's $4.99. Matte Viewer also leads on rating (3.0 vs 1.0) and update cadence (monthly vs every 15 months). Spatial Converter's advantage is in-app purchases (none vs 1). On review sentiment, ratings volume and ads there is nothing between them.

Matte Viewer is free to download; Spatial Converter costs $4.99 up front. Matte Viewer sells 1 one-off in-app purchase. Spatial Converter asks for nothing beyond the download.

Matte Viewer holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Matte Viewer ships an update monthly, Spatial Converter every 15 months. Both last shipped on September 18, 2026.

## The numbers

| Metric | Matte Viewer | Spatial Converter |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/matte-viewer/id6476831058/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/spatial-converter/id6479389968/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Héliographe, Inc](https://appshunter.io/developer/1784071997) | [Byungil Park](https://appshunter.io/developer/318781673) |

## What reviewers say

### Matte Viewer

[App page](https://appshunter.io/ios/app/matte-viewer/id6476831058)

This app allows you to preview and export depth and semantic maps from your iPhone photos. It offers an elegant interface and supports desktop-class features on iPad and Mac. The app prioritizes user privacy and has a very small file size.

**Highlights:** Preview depth and semantic maps, Export mattes for 3rd party software, Elegant and information-dense interface, Desktop-class features on iPad/Mac, Privacy-focused with no tracking, Small app size

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Export | $4.99 | one-time |


### Spatial Converter

[App page](https://appshunter.io/ios/app/spatial-converter/id6479389968)

This app converts spatial videos and photos captured on newer iPhones into various 3D formats for different viewing devices. It offers six output options, including anaglyph, VR viewers, and separate 2D files for editing, all processed locally on your device.

**Highlights:** Converts spatial video and photos, Six output formats for different viewers, Live preview before conversion, Processes on-device for privacy, Supports Spatial (MV-HEVC) output, Exports separate 2D files for editing

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

**In-app purchases:** none


## Frequently asked questions

### Is Matte Viewer free?

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

### Is Spatial Converter free?

Spatial Converter costs $4.99, with no in-app purchases.

### Which has better reviews, Matte Viewer or Spatial Converter?

Matte Viewer is rated higher. Matte Viewer averages 3.0 out of 5 from 2 ratings, while Spatial Converter averages 1.0 from 1 ratings.

### Do Matte Viewer or Spatial Converter have ads?

Neither Matte Viewer nor Spatial Converter shows ads.

### Which is updated more often, Matte Viewer or Spatial Converter?

Matte Viewer ships an update monthly, and Spatial Converter every 15 months. Most recently, Matte Viewer was updated on September 18, 2026 and Spatial Converter on September 18, 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.*