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Mandelbrot Metal is a next-generation fractal explorer app for iPhone and iPad. It lets you dive into the infinite beauty of the Mandelbrot set in real time, powered by Apple’s Metal GPU framework. With adaptive precision, vivid color palettes, and ultra-deep zooming, and 3D effects, it turns complex math into an interactive art experience you can explore, capture, and share.
Most fractal apps compromise on speed, depth, or render quality. Mandelbrot Metal combines GPU acceleration, adaptive precision, and advanced math to deliver real-time fluidity, ultra-deep zooming, and spectacular image quality — wrapped in a clean, modern interface.
With adaptive precision (32-bit, 64-bit, and Double-Double math) plus perturbation techniques, you can currently explore magnifications up to 10¹⁶× — literally quadrillions of times deeper than the default view. Going forward, deeper zooming is planned. (see roadmap)
Yes. You can export captures up to 8K resolution, save them to Photos, copy them to the clipboard, print, or share directly to social apps. Mandelbrot Metal is designed to output professional-quality images. (See User Guide)
Ultra-Wide palettes use 768 color steps for ultra-smooth gradients and are labeled with “[UW]”. They’re especially effective in deep zooms where fine shading reveals hidden structure. Ultra-Wide palettes use 768 color steps for ultra-smooth gradients and are labeled with “[UW]”. They’re especially effective in deep zooms where fine shading reveals hidden structure. Learn more about palettes.
Absolutely. You can scan gradients from images in your Photos. Soon you’ll also be able to exchange custom palettes with the community. Learn more about palettes.
Mandelbrot Metal runs on iPhone and iPad with iOS/iPadOS 18.6 or later. Performance scales with your hardware — the latest models render faster and capture higher-resolution images.
Not yet. Right now, Mandelbrot Metal is built for iPhone and iPad, but macOS support is under consideration for the future. However, if you have a Mac with Apple silicon, you can run the iOS/iPadOS versions on your Mac right now.
The initial release focuses on the Mandelbrot set, but additional fractals (Julia sets, Burning Ship, Multibrot variants) are on the roadmap.
No. Rendering is fully on-device, powered by Apple’s Metal GPU framework. The only time you’ll need internet is for updates, optional beta feedback, or sharing online.
Fractal rendering is compute-intensive, but Mandelbrot Metal is optimized with adaptive iteration counts, GPU acceleration, and idle high-quality modes. On the latest Apple devices, you can explore for hours without overheating or rapid drain.
Yes. You can save bookmarks with full zoom/position/palette/contrast settings and return to them instantly. Sharing of bookmarks is also planned (see roadmap).
The app is available for pre-order now on the App Store at a special introductory price of $6.99 US. Mandelbrot Metal will always be a one-time purchase, not a subscription.
Mandelbrot Metal is expected to be available to download on October 13, 2025. Meanwhile, you can pre-order it on the App Store.
© 2025 Mandelbrot Metal - All Rights Reserved.
Mandelbrot Metal is a registered DBA (Doing Business As) of Michael Stebel Consulting, LLC, a Florida limited liability company.
Trademarks: Apple, the Apple logo, iPhone, iPad, Mac, macOS, iOS, Xcode, Swift, and Metal are trademarks of Apple Inc.,
registered in the U.S. and other countries. All other product names, logos, and brands are property of their respective owners.