# PSRayTracing — A Ray Tracing toy

> GUI frontend for a fast ray tracing engine based on "Ray Tracing in One Weekend". (iPhone/iPad app by Benjamin Summerton.)

- Source: https://appshunter.io/ios/app/psraytracing/id6468944135 (this page in markdown: same URL + `.md`)
- Developer: [Benjamin Summerton](https://appshunter.io/developer/1711000761)
- Category: Developer Tools, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17 · 29 MB
- Languages: American English
- Released: 2023-10-21
- Data updated: 2026-08-19
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/psraytracing/id6468944135/reviews.md

## What is PSRayTracing?

This is a GUI frontend for the PSRayTracing implementation of the "Ray Tracing in One Weekend" books by Peter Shirley (and others). Which renders the images in the book faster than the reference code, but also offers other features (e.g. threading, render progress, toggle-able and more).

The source code for this program, as well as a report auditing all of the changes/improvements, is freely available at:
https://github.com/define-private-public/PSRayTracing

## Key features

- 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"

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/psraytracing/id6468944135/reviews.md

### 5/5 — Books

*2024-01-22*

I saw your book series and was going to buy it because I’ve recently got very interested in graphics and how ray tracing works but I can’t get them because they are only on kindle :( Seems like a great book though

## Frequently asked questions about PSRayTracing

### What is PSRayTracing?

PSRayTracing is a graphical user interface (GUI) frontend for a ray tracing implementation. It's designed to render images faster than the original reference code from the "Ray Tracing in One Weekend" books.

### What are the main advantages of PSRayTracing?

PSRayTracing offers improved rendering speed compared to reference code, along with features like threading support and render progress visualization. Its source code is also freely available for inspection and modification.

### Is PSRayTracing free to use?

Yes, PSRayTracing is completely free to download and use. There are no in-app purchases or subscription fees associated with this application.

### What devices is PSRayTracing available on?

PSRayTracing is available for both iPhone and iPad devices, indicated by its support for these platforms.

### How often is PSRayTracing updated?

The latest version, 1.4, was released on March 25, 2026. While the last update date is in the future, this suggests ongoing development and potential for future improvements.

### What is the age rating for PSRayTracing?

PSRayTracing has an age rating of 4+, making it suitable for a wide range of users interested in its developer tool functionalities.

### Where can I find the source code for PSRayTracing?

The source code for PSRayTracing, along with a report detailing changes and improvements, is freely available on GitHub at the provided link in the app description.

### Does PSRayTracing have ads?

No, PSRayTracing does not contain advertisements. The application is free and ad-free, providing an uninterrupted user experience.

## Version history (last 2 releases)

### 1.4 — 2026-03-25

Faster asin() approximation, GUI bug fixes (for pan/zoom), and an updated About text.

### 1.1 — 2023-10-21

No release notes.

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## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*