GravityMark GPU Benchmark vs Volume Shader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GravityMark GPU Benchmark
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.
- Real-time GPU rendering
- Massive object quantity
- GPU-accelerated scene management
- Bypasses CPU bottlenecks
- Utilizes astronomical data
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GravityMark GPU Benchmark demonstrates the capabilities of modern GPUs by rendering an enormous quantity of objects in real-time, utilizing GPU acceleration. We avoid typical CPU-based performance bottlenecks by delegating the entirety of scene management and rendering steps exclusively to the GPU. Apple A14+ and M1+ SoC are recommended for great results. The following resources are used in the benchmark: NASA visible Earth database, GEBCO 2020 grid, the HYG star database archive, ESO / Serge Brunier The Milky Way panorama.
Volume Shader
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.
- Native Metal GPU rendering
- Mandelbulb ray marching
- Device performance testing
- System state monitoring
- Interactive 3D exploration
- Touch, haptic, and speaker checks
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Volume Shader is the viral Volume Shader BM GPU test, built natively for iPhone and iPad. The Mandelbulb ray march runs in Metal on your iPhone or iPad. WHAT YOU CAN DO • Run Volume Shader BM at Simple, Standard, Advanced, or Extreme • Use Standard + 30 seconds when you want a score you can compare • Drag to rotate, pinch to zoom, and pan. Explore does not save a score. • Time CPU and memory on the same device • See GPU, memory, display, storage, and thermal state • Walk a display, touch, haptics, speaker, and battery checkup HEAT AND BATTERY This is a real GPU workload. The device can get warm and the battery will drain faster while a test is running. Extreme asks for confirmation. The app stops itself if iOS reports a critical thermal state. ADS Volume Shader is free and shows labeled native ads on Test, Device, and Checkup. Ads sit below the main content on those screens. They do not overlay the GPU test or fullscreen checkup steps. You can report an ad from the AdChoices icon on the ad. PRIVACY No account. Tests, history, and checkup marks stay on this device. Nothing is uploaded. If you tap Share, iOS’s share sheet sends only what you chose to the app you pick. Ads use the ads SDK described in the privacy policy. Support: https://volumeshaderbm.com Privacy: https://volumeshaderbm.com/privacy-policy/
Screenshots
Verdict
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.
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.
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.
| Parameter | GravityMark GPU Benchmark | Volume Shader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (6 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 44.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 91 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Tellusim Technologies Inc. | Shahid Ali |
Customer experience
GravityMark GPU Benchmark
Volume Shader
In-app purchases
GravityMark GPU Benchmark
No in-app purchases
Volume Shader
No in-app purchases
Questions
Is GravityMark GPU Benchmark free?
Is Volume Shader free?
Which has better reviews, GravityMark GPU Benchmark or Volume Shader?
Do GravityMark GPU Benchmark or Volume Shader have ads?
Which is updated more often, GravityMark GPU Benchmark or Volume Shader?
Other comparisons
