# Plastic vs Frustum

The clearest difference is review sentiment: Plastic at 86% against Frustum's 0%. Plastic also leads on chart position (#199 vs unranked) and ratings volume (16 vs 2). Frustum's advantage is price (Free vs $9.99) and rating (5.0 vs 3.8). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Frustum is free to download; Plastic costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Frustum holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Plastic has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 86% of Plastic's written reviews are positive against 0% of Frustum's, so the app with the better star average is not the one people write more warmly about.

Plastic ships an update monthly, Frustum daily. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Plastic | Frustum |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.8 (16 ratings)](https://appshunter.io/ios/app/plastic-3d-modeling/id1600533880/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/frustum/id1622037286/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Paid | **Free** |
| Best chart rank | **#199** | — |
| Size | 123 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raffael Kaehn](https://appshunter.io/developer/1234032836) | [Brett Kuprel](https://appshunter.io/developer/1381546575) |

## What reviewers say

### Plastic

[App page](https://appshunter.io/ios/app/plastic-3d-modeling/id1600533880)

**Currently charting:** #199 Top Paid · Graphics & Design (US App Store)

Create 3D models using volumetric primitives and boolean operations, not polygons. Apply color and make non-destructive edits throughout the entire workflow. Export your creations for animation, rendering, or 3D printing.

**Highlights:** Volumetric modeling with primitives, Add and subtract operations, Integrated coloring tools, Non-destructive editing, Export to PLY format

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Plastic free?

Plastic costs $9.99, with no in-app purchases.

### Is Frustum free?

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

### Which has better reviews, Plastic or Frustum?

Frustum is rated higher. Plastic averages 3.8 out of 5 from 16 ratings, while Frustum averages 5.0 from 2 ratings.

### Do Plastic or Frustum have ads?

Neither Plastic nor Frustum shows ads.

### Which is updated more often, Plastic or Frustum?

Plastic ships an update monthly, and Frustum daily. Most recently, Plastic was updated on September 26, 2026 and Frustum on September 19, 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.*