Volume Shader
Native GPU Test & Checkup
About
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.
What's New in Volume Shader
1.0
August 26, 2026
FAQ
Does Volume Shader have ads?
Yes, Volume Shader contains advertisements. The app is free to download and use, with ads supporting its development.
What devices does Volume Shader support?
Volume Shader is designed for iPhone and iPad devices, leveraging their native Metal GPU capabilities.
How does Volume Shader test GPU performance?
It runs a native Mandelbulb ray march using Metal, allowing users to select different test complexities from Simple to Extreme.
Can Volume Shader overheat my device?
Volume Shader is a real GPU workload and can cause the device to warm up and drain the battery faster. The app will stop itself if iOS reports a critical thermal state.
Is my data private with Volume Shader?
Yes, Volume Shader prioritizes privacy. No account is required, and tests, history, and checkup marks remain on your device. Nothing is uploaded.
What is the age rating for Volume Shader?
Volume Shader has an age rating of 4+, making it suitable for a wide range of users.
How often is Volume Shader updated?
The app was last updated on August 26, 2026, with version 1.0. Further updates will be released to improve functionality and add features.
What are the different test modes in Volume Shader?
Volume Shader offers Simple, Standard, Advanced, and Extreme modes for its BM GPU test. The Standard mode with 30 seconds is recommended for comparable scores.