Grain+ vs DepthWeaver

We looked for a simple way to add grain to our photos, but with no ads and no subscriptions. It didn't exist, so we built it. Grain+ does one thing, beautifully. Pick any photo. Add film grain. Done. • 3 grain sizes: fine, medium, coarse • Adjustable intensity • Instant sharing • No ads. No subscription. • One purchase. Yours forever.

DepthWeaver turns real-world depth into Magic Eye stereograms. Capture a scene with the LiDAR scanner, generate depth from any photo with on-device AI, scan a real object with Apple's Object Capture, or load a 3D model — then watch a hidden image rise out of the noise as you cross your eyes. CAPTURE DEPTH FIVE WAYS • LiDAR live capture on iPhone Pro — point, freeze, done • On-device AI depth from any photo (Depth Anything V2) • Scan real objects with Apple's Object Capture (Pro devices) — guided orbits turn a real object into a .usdz you can orbit and frame • 3D model import — .usdz, .usd, .obj, .scn with an orbit camera so you choose the angle • Bundled height map and 3D model presets to play with right away PICK A PATTERN • Six procedural generators: random dot, stars, Perlin noise, Worley noise, Voronoi cells, reaction-diffusion • Import any image from your photo library as a custom tile • Built-in texture library TUNE EVERY KNOB • DPI, depth strength, separation, oversampling • Remap input and output depth ranges to push the subject forward or back • Denoise quantized 8-bit imports for clean, banding-free output • Invert depth in one tap • Live preview redraws as you slide PRIVATE BY DESIGN Everything runs on device. No account, no upload, no tracking, no ads. Your photos and 3D scans never leave your iPhone. UNDER THE HOOD Parallelized implementation of the Thimbleby–Inglis–Witten autostereogram algorithm with W. A. Steer's link-based hidden-surface refinement. Powered by ARKit, Object Capture, Core ML, SceneKit, Metal, and Core Image. Output is upscaled so the minimum dimension is at least 960 px — print-ready or share-ready. SHARE Export high-resolution PNGs to Photos, Messages, AirDrop, or any app with a share sheet. Available in English and French. iPhone, iOS 17+. Capture a scene. Pick a pattern. Stare into it.