# Fabula for SwiftUI vs PSRayTracing

The clearest difference is update cadence: Fabula for SwiftUI at fortnightly against PSRayTracing's every 30 months. Fabula for SwiftUI also leads on ratings volume (123 vs 2) and device support (4 vs 2). PSRayTracing's advantage is rating (5.0 vs 4.8). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PSRayTracing holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fabula for SwiftUI has 123 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 98% of Fabula for SwiftUI's written reviews are positive against 100% of PSRayTracing's.

Fabula for SwiftUI ships an update fortnightly, PSRayTracing every 30 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Fabula for SwiftUI | PSRayTracing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (123 ratings)](https://appshunter.io/ios/app/fabula-for-swiftui/id1591155142/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/psraytracing/id6468944135/reviews)** |
| Number of ratings | **123** | 2 |
| Positive reviews | 97.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 30 months |
| Monetization | Free | Free |
| Size | 22 MB | 29 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gyeong Seop No](https://appshunter.io/developer/1591142900) | [Benjamin Summerton](https://appshunter.io/developer/1711000761) |

## What reviewers say

### Fabula for SwiftUI

[App page](https://appshunter.io/ios/app/fabula-for-swiftui/id1591155142)

Explore narrative construction and code organization using fabula and syuzhet concepts. This app serves as a personal project to learn SwiftUI, offering code collections and fostering developer community interaction. It aims to help users understand SwiftUI's declarative approach for cross-platform development.

**Highlights:** Narrative construction concepts (fabula & syuzhet), SwiftUI code collections, Declarative UI development learning, Cross-platform development (iOS, macOS, watchOS, tvOS), Developer community sharing, Regular code updates

**Features:** Vision Pro support

**In-app purchases:** none


### PSRayTracing

[App page](https://appshunter.io/ios/app/psraytracing/id6468944135)

This application provides a graphical interface for a ray tracing engine, designed to render images faster than reference code. It includes features like threading and render progress visualization, based on "Ray Tracing in One Weekend" books.

**Highlights:** GUI frontend for ray tracing, Faster rendering than reference code, Threading support, Render progress visualization, Toggle-able features, Based on "Ray Tracing in One Weekend"

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

**In-app purchases:** none


## Frequently asked questions

### Is Fabula for SwiftUI free?

Fabula for SwiftUI is free to download, with no in-app purchases.

### Is PSRayTracing free?

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

### Which has better reviews, Fabula for SwiftUI or PSRayTracing?

PSRayTracing is rated higher. Fabula for SwiftUI averages 4.8 out of 5 from 123 ratings, while PSRayTracing averages 5.0 from 2 ratings.

### Do Fabula for SwiftUI or PSRayTracing have ads?

Neither Fabula for SwiftUI nor PSRayTracing shows ads.

### Which is updated more often, Fabula for SwiftUI or PSRayTracing?

Fabula for SwiftUI ships an update fortnightly, and PSRayTracing every 30 months. Most recently, Fabula for SwiftUI was updated on October 19, 2026 and PSRayTracing on October 9, 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.*