Free browser-based GPU benchmark tool with WebGL 3D volume rendering
Find out why Apple will reject your app before you submit
Stage
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Founded
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Based in
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TR
Pricing model
Free
Paid
Pricing
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Free: 10-question metadata review with no account. One app: $12 for full 54-point scan with 3 days of unlimited re-scans. Five apps: $39 ($7.80 each) for 5 credits. Studio: $99 for 20 apps ($4.95 each). One-time payment, no subscription. All prices exclude VAT.
Key features
Real-time 3D volume shader effects with visual feedback
Measures average, minimum, maximum FPS and frame time
Works in any WebGL-enabled browser without installation
Cross-platform support for Windows, macOS, and Linux
Public leaderboards with fair GPU tier classification
Device-specific presets optimized for desktop and mobile
CSV export for benchmark results
Support for 19 languages
Interactive camera controls for visualization
54-point binary and metadata checks covering privacy, runtime, app completeness and provisioning
Each issue includes guideline number, evidence and plain-English fix
Support for Expo, Xcode, Rork, a0 and Bolt builds
Privacy-first approach with JSON-only server communication
Rejection guarantee refund if approved app marked as passing fails review
What makes it different
No download or installation required—benchmark directly in your browser
Uses ray-marched 3D fractal workload for realistic GPU stress testing
Reports renderer backend, API version, and fallback reasons for transparent results
Fair competition leaderboards with GPU tier matching to prevent hardware dominance
Automated device detection adjusts presets appropriately for desktop or mobile
One-time payment per app with no subscription
Unlimited re-scans for 3 days after purchase to verify fixes
Built by an iOS developer with focus on preventing avoidable rejections
Volume Shader BM
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