# GravityMark GPU Benchmark vs Volume Shader

The clearest difference is review sentiment: Volume Shader at 100% against GravityMark GPU Benchmark's 44%. Volume Shader also leads on rating (4.7 vs 4.2) and update cadence (every 5 days vs every 4 months). GravityMark GPU Benchmark's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, 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.

Volume Shader holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 44% of GravityMark GPU Benchmark's written reviews are positive against 100% of Volume Shader's.

GravityMark GPU Benchmark ships an update every 4 months, Volume Shader every 5 days. Both last shipped on September 30, 2026.

## The numbers

| Metric | GravityMark GPU Benchmark | Volume Shader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/gravitymark-gpu-benchmark/id1595186532/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/volume-shader/id6802010333/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 91 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tellusim Technologies Inc.](https://appshunter.io/developer/1595186534) | [Shahid Ali](https://appshunter.io/developer/6802010335) |

## What reviewers say

### GravityMark GPU Benchmark

[App page](https://appshunter.io/ios/app/gravitymark-gpu-benchmark/id1595186532)

This app showcases modern GPU power by rendering vast real-time scenes. It offloads all scene management and rendering to the GPU, bypassing CPU bottlenecks. Recommended for devices with Apple A14+ and M1+ SoCs.

**Highlights:** Real-time GPU rendering, Massive object quantity, GPU-accelerated scene management, Bypasses CPU bottlenecks, Utilizes astronomical data

**Features:** macOS Compatibility

**In-app purchases:** none


### Volume Shader

[App page](https://appshunter.io/ios/app/volume-shader/id6802010333)

Explore complex 3D fractal visualizations rendered natively on your iPhone or iPad. Test your device's GPU performance and check system states like thermal and battery.

**Highlights:** Native Metal GPU rendering, Mandelbulb ray marching, Device performance testing, System state monitoring, Interactive 3D exploration, Touch, haptic, and speaker checks

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

**In-app purchases:** none


## Frequently asked questions

### Is GravityMark GPU Benchmark free?

GravityMark GPU Benchmark is free to download, with no in-app purchases.

### Is Volume Shader free?

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

### Which has better reviews, GravityMark GPU Benchmark or Volume Shader?

Volume Shader is rated higher. GravityMark GPU Benchmark averages 4.2 out of 5 from 6 ratings, while Volume Shader averages 4.7 from 3 ratings.

### Do GravityMark GPU Benchmark or Volume Shader have ads?

Volume Shader shows ads; GravityMark GPU Benchmark does not.

### Which is updated more often, GravityMark GPU Benchmark or Volume Shader?

GravityMark GPU Benchmark ships an update every 4 months, and Volume Shader every 5 days. Most recently, GravityMark GPU Benchmark was updated on September 30, 2026 and Volume Shader on September 30, 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.*