# GroMoC mobile vs PSRayTracing

The clearest difference is update cadence: GroMoC mobile at every 12 months against PSRayTracing's every 30 months. GroMoC mobile also leads on iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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

GroMoC mobile ships an update every 12 months, PSRayTracing every 30 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GroMoC mobile | PSRayTracing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/psraytracing/id6468944135/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 30 months |
| Monetization | — | Free |
| Size | 29 MB | 29 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Groschopp Systems Solutions](https://appshunter.io/developer/1602198524) | [Benjamin Summerton](https://appshunter.io/developer/1711000761) |

## What reviewers say

### GroMoC mobile

[App page](https://appshunter.io/ios/app/gromoc-mobile/id1636455385)

**Features:** macOS Compatibility, 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 GroMoC mobile free?

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

### Is PSRayTracing free?

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

### Do GroMoC mobile or PSRayTracing have ads?

Neither GroMoC mobile nor PSRayTracing shows ads.

### Which is updated more often, GroMoC mobile or PSRayTracing?

GroMoC mobile ships an update every 12 months, and PSRayTracing every 30 months. Most recently, GroMoC mobile was updated on October 8, 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.*