PSRayTracing vs Unix Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PSRayTracing
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.
- 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"
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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
Unix Timer
Instantly access the current Unix timestamp with a live, full-screen clock. Customize the display with animated themes and colors. This native iOS app is designed for developers needing a fast and accurate timestamp tool.
- Instant timestamp copy
- Full-screen live clock
- Animated themes and colors
- Swipe to change theme
- iPhone and iPad support
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Need the current Unix timestamp instantly? • Tap to copy timestamp instantly • Full-screen live Unix clock display • Beautiful animated themes and colors • Swipe to change theme • iPhone and iPad support Turn your iPhone or iPad into a developer's timestamp tool. Clean, fast, and accurate. Native Swift app designed specifically for iOS.
Screenshots
Verdict
The clearest difference is update cadence: Unix Timer at every 3 days against PSRayTracing's every 30 months. On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for PSRayTracing against 5.0 for Unix Timer. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
PSRayTracing ships an update every 30 months, Unix Timer every 3 days. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.
| Parameter | PSRayTracing | Unix Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 30 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17 — better | 18.5 |
| Further details — not scored | ||
| Size | 29 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Benjamin Summerton | Andrew Moloney |
Customer experience
PSRayTracing
Unix Timer
In-app purchases
PSRayTracing
No in-app purchases
Unix Timer
No in-app purchases
Questions
Is PSRayTracing free?
Is Unix Timer free?
Which has better reviews, PSRayTracing or Unix Timer?
Do PSRayTracing or Unix Timer have ads?
Which is updated more often, PSRayTracing or Unix Timer?
Other comparisons
