RAYS - 3D Path Tracer

A Pocket Path Tracer

$9.99 · Designed for iPad. Not verified for macOS.

Bring your 3D models to life with path-traced lighting on iPhone and iPad. Open USDZ, glTF or OBJ files, light it with an HDRI and render a photoreal image in seconds. RAYS is a real path tracer for iPhone and iPad: the same kind of light simulation used by film and product-visualization renderers, running on your device's hardware ray tracing. Hit Render, and watch a photoreal image come together in seconds. IMPORT • Open USDZ, USD, glTF, GLB and OBJ models, from Files, Mail, Messages or AirDrop ("Open in RAYS"). • Materials, textures, variants and lights come in with the model; your original file is never changed. • Add several models to one scene; move, turn and scale them with an on-screen gizmo. LIGHT • Three studio HDRIs light your model with real image-based light. Turn them, set their exposure, or show them behind the model. • Add sun, bulb, spot and area lights. • Shadow catcher: an invisible floor that catches soft shadows and reflections. • Ground projection lays the HDRI's floor under your model. • Backdrop colors, with Bounce light: the set color lights your model back, like a colored studio cyc. RENDER • Progressive path tracing: soft shadows, reflections, glass and bounce light, refining with every sample. • Physically based materials: metal, glossy and rough surfaces, clear coat, clear and frosted glass. • A denoiser for clean images faster, and depth of field with real camera settings and Tap to Focus. • Render at screen size or larger (2× and 3×), or at 720p, 1080p, 4K or 4:3. • Save renders to Photos as PNG or HDR photos, plus EXR for compositing. COMPOSITE • Put your model into your own photo: pick a picture from Photos or Files, drag, pinch and twist it into place, and lock it. • The shadow catcher sets your model on the photo's floor; the HDRI lights it to match. • Depth of field blurs the picture along with the scene, and film grain (amount, size, color) ties render and photo together. • Camera Roll tilts the camera to match a photo that wasn't shot level. PREVIEW • A fast real-time Preview for framing and arranging, with Preview Effects: ambient occlusion, curvature, depth of field, bloom, tone mapping (Neutral, AgX, ACES), color balance, vignette, grain and more. SCENES • Save your scene, with every move, light, camera and material edit, as one file that opens in Quick Look and other USD apps. • Start on iPhone, AirDrop the scene to your iPad, and pick up right where you left off: the models, lights, cameras and HDRI all travel in the one file. • Saved cameras, including a Default camera to get back to the opening view. • Sample scenes to start from: Sketchbot, Material Spheres and two classic Cornell boxes. Designed first for iPhone Duo, folded or open, and at home on iPhone and iPad. REQUIREMENTS Rendering is fastest with hardware ray tracing: iPhone 15 Pro, iPhone 16 or later; iPad Pro (M4 or later), iPad Air (M3 or later), iPad mini (A17 Pro or later). Older devices render more slowly.

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RAYS now runs on iPad: full screen in portrait and landscape, with the scene list, viewport and panels side by side, and a welcome screen laid out for the larger display. Saved scenes now keep every part of a model, even when the parts sit side by side in the original file, so nothing goes missing when you open the saved scene in Quick Look or other apps.

Version 1.1

The developer, Sketchbot Studios, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Sketchbot Studios, Inc.
    Size
    33.6 MB
    Category
    Graphics & Design
    Compatibility
    Requires iOS 27.1 or later.
    • iPhone
      Requires iOS 27.1 or later.
    • iPad
      Requires iPadOS 27.1 or later.
    • Mac
      Requires macOS 27.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 27.2 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Sketchbot Studios, Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.