# Frustum vs AI

The clearest difference is rating: Frustum at 5.0 against AI's 1.0. Frustum also leads on in-app purchases (none vs 3) and update cadence (daily vs every 12 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. AI sells 3 in-app purchases, starting at $5.99 per 7 days. 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, AI every 12 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | Frustum | AI |
| --- | --- | --- |
| 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/ai-text-to-image/id1663710198/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 44 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Brett Kuprel](https://appshunter.io/developer/1381546575) | [Hanva,LLC](https://appshunter.io/developer/1808930111) |

## 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


### AI

[App page](https://appshunter.io/ios/app/ai-text-to-image/id1663710198)

Generate stunning visuals from text descriptions using a variety of Stable Diffusion models. Explore creative prompts and design unique images for your projects. This user-friendly app makes creating unforgettable visuals easy.

**Highlights:** Text-to-image generation, 19 Stable Diffusion models, Prompt examples for creativity, User-friendly interface, Image-based design creation, Supports Mac, iPhone, iPad

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription Plan | $5.99 | per 7 days |
| Monthly Subscription Plan | $14.99 | per month |
| Annual Subscription Plan | $59.99 | per year |


## Frequently asked questions

### Is Frustum free?

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

### Is AI free?

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

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

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

### Do Frustum or AI have ads?

Neither Frustum nor AI shows ads.

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

Frustum ships an update daily, and AI every 12 months. Most recently, Frustum was updated on October 6, 2026 and AI on October 6, 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.*