# Frustum vs EPS Viewer

The clearest difference is rating: Frustum at 5.0 against EPS Viewer's 1.0. Frustum also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. EPS Viewer sells 1 in-app purchase, starting at $29.99 per year. Frustum asks for nothing beyond the download.

Frustum holds the better App Store score, 5.0 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.

Frustum ships an update daily, EPS Viewer every 6 weeks. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Frustum | EPS Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/frustum/id1622037286/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/eps-viewer/id6756544460/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 35 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brett Kuprel](https://appshunter.io/developer/1381546575) | [Vaibhav Singhal](https://appshunter.io/developer/1719416463) |

## What reviewers say

### Frustum

[App page](https://appshunter.io/ios/app/frustum/id1622037286)

Visualize 3D viewing frustums in an immersive experience. This application allows users to explore and understand the geometric concept of a frustum. It's a straightforward tool for educational or design purposes.

**Highlights:** 3D frustum visualization, Immersive experience, Educational tool, Design exploration

**Features:** macOS Compatibility

**In-app purchases:** none


### EPS Viewer

[App page](https://appshunter.io/ios/app/eps-viewer/id6756544460)

Easily preview and convert EPS files to common image formats like PNG, JPG, and PDF. This user-friendly application supports multiple languages and allows for seamless sharing of converted files directly from the app.

**Highlights:** Preview EPS file content, Convert EPS to PNG, JPG, PDF, Share converted files, User-friendly interface, Multiple language support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App yearly subscription | $29.99 | per year |


## Frequently asked questions

### Is Frustum free?

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

### Is EPS Viewer free?

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

### Which has better reviews, Frustum or EPS Viewer?

Frustum is rated higher. Frustum averages 5.0 out of 5 from 2 ratings, while EPS Viewer averages 1.0 from 1 ratings.

### Do Frustum or EPS Viewer have ads?

EPS Viewer shows ads; Frustum does not.

### Which is updated more often, Frustum or EPS Viewer?

Frustum ships an update daily, and EPS Viewer every 6 weeks. Most recently, Frustum was updated on October 6, 2026 and EPS Viewer on October 17, 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.*