# Sunio: Sun Tracker 3D Shadow — Golden Hour, Property Sun, AR > 3D sun tracker and shadow simulator for photography, property, and solar planning. (iPhone/iPad app by Daniel Slave.) - Source: https://appshunter.io/ios/app/sunio-sun-tracker-3d-shadow/id6753144445 (this page in markdown: same URL + `.md`) - Developer: [Daniel Slave](https://appshunter.io/developer/1126366753) - Category: Weather, Photo & Video - Price: Free - Rating: 4.40/5 from 9 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 18 · 34 MB - Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Polish, European Portuguese, Romanian, Russian and 2 more - Released: 2025-10-03 - Data updated: 2026-08-26 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sunio-sun-tracker-3d-shadow/id6753144445/reviews.md ## What is Sunio? Sunio transforms how you experience sunlight. Watch the sun's journey come alive with dynamic 3D lighting on real terrain—the only app that animates how light and shadows change throughout the day. Plan property purchases, capture golden hour photography, and optimize solar panels with professional-grade accuracy. SEE SUNLIGHT TRANSFORM YOUR WORLD Press play and watch landscapes transform with solar-accurate lighting. Sunio's 3D animation engine shows exactly how sunlight and shadows move across terrain throughout the day. Scrub through time and see building shadows shrink at noon, stretch at sunset, and disappear after dark. Perfect for evaluating property sun exposure before buying a home. See which rooms get morning light, where afternoon shadows fall, and how seasonal sunlight changes throughout the year. PERFECT FOR PHOTOGRAPHY Never miss golden hour again. Sunio calculates precise golden hour, blue hour, and twilight times for any location on Earth. See exactly where the sun will rise or set with AR overlays that show the sun's path through your camera view. The interactive timeline lets you scout locations remotely—scrub through an entire day in seconds to find perfect lighting conditions. MAKE SMARTER PROPERTY DECISIONS Buying a home or apartment? Sunio reveals crucial sunlight information that photos and tours miss. Check if your balcony gets afternoon sun. Verify if morning light reaches the bedroom. See how neighboring buildings cast shadows on your property. Real estate agents use Sunio to showcase property features—demonstrating southern exposure and natural light advantages. Garden planners identify full-sun zones for vegetables and shade areas for plants. PROFESSIONAL TOOLS Sunio delivers professional-grade sun tracking with NOAA algorithm accuracy. Architects use it for daylight analysis and shadow studies. Solar installers optimize panel placement by visualizing solar angles throughout the year. Get precise solar data: azimuth, elevation, sunrise/sunset times, solar noon, twilight phases, and day length. View sun paths as 3D arcs overlaid on satellite imagery or through AR on your camera. Building shadows appear realistically on 3D terrain—see how structures cast shade on courtyards, streets, and neighboring properties. POWERFUL FEATURES • Augmented Reality Sun Path - Point your camera at the sky and see the sun's arc • 3D Animated Lighting - Watch solar lighting transform landscapes • Time Scrubbing - Drag through 24 hours instantly • Multiple Map Modes - Standard, Satellite, and 3D Buildings • Location Search - Plan for any address worldwide with history • Date Selector - Plan months ahead for trips and events • Solar Calculator - Precise azimuth, elevation, and angle calculations • Golden Hour Times - Never miss perfect photography lighting • Compass Integration - Find cardinal directions and solar orientation • 12 Languages - Full support for global users PRIVACY-FIRST, BEAUTIFUL DESIGN Sunio respects your privacy. No ads ever. No tracking. No account required. No data collection. Your location data stays on your device. Built exclusively for iOS 18+ using the latest Apple technologies for smooth 60fps animations and stunning graphics. Designed to feel at home on your iPhone and iPad. Join photographers, homebuyers, architects, and solar professionals who trust Sunio for accurate, beautiful solar visualization. One-time purchase, no subscription required. Download Sunio and see the light. ## Key features - 3D animated sunlight and shadow simulation - Augmented Reality sun path overlay - Precise golden hour and twilight times - Property sun exposure analysis - Solar panel optimization tools - Interactive time scrubbing ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/sunio-sun-tracker-3d-shadow/id6753144445/reviews.md ### 5/5 — Really useful app *2026-08-02* Downloaded it to help site some weather station sensors, have found so many uses - Garden design, hammock locating, house hunting, thank you :-) ### 5/5 — Really useful *2026-08-02* I didn’t know I needed this app until I saw someone else using it and now I use it all the time to know what time certain things will be in shade ### 5/5 — Для фотографа самое то *2026-06-17* Отличное решения планирования по свету ## Frequently asked questions about Sunio ### What is Sunio used for? Sunio is a 3D sun tracker that visualizes sunlight and shadow movement across terrain. It helps users plan photography, evaluate property sun exposure, and optimize solar panel placement with accurate, animated simulations. ### Does Sunio have ads? No, Sunio is ad-free. It provides an uninterrupted experience for users planning photography, evaluating properties, or optimizing solar installations. ### What devices is Sunio available on? Sunio is available on iPhone and iPad devices, offering its advanced sun tracking and shadow simulation features across Apple's mobile platforms. ### How accurate is Sunio's sun tracking? Sunio uses NOAA algorithm accuracy for professional-grade sun tracking. It provides precise solar data including azimuth, elevation, sunrise/sunset times, and solar noon. ### Can Sunio help with photography planning? Yes, Sunio is perfect for photography planning. It calculates precise golden hour, blue hour, and twilight times, and shows the sun's path through AR overlays to find ideal lighting conditions. ### What is the age rating for Sunio? Sunio has an age rating of 4+, making it suitable for a wide range of users interested in understanding sunlight and its effects. ### How often is Sunio updated? Sunio was last updated on January 7, 2026, indicating regular maintenance and potential feature additions to enhance its sun tracking and visualization capabilities. ### Can Sunio be used for property evaluation? Absolutely. Sunio reveals crucial sunlight information for property purchases, showing room light, shadow placement, and seasonal sunlight changes, helping buyers make informed decisions. ## Version history (last 5 releases) ### 1.6 — 2026-01-07 Fixed edge case when map was not loading ### 1.5 — 2026-01-06 Smart Notifications - Never miss a solar event! Get notified for solstices, equinoxes, and daylight milestones. Weekly updates show sunrise/sunset changes at a glance. Bug Fixes & Improvements - Fixed sun overlay appearing briefly at wrong location during startup - General stability improvements ### 1.4 — 2026-01-03 Sunio now shines on iPad! We've optimized the entire app for iPad's larger display. Explore sun paths, check golden hour timing, and visualize solar data with more screen real estate than ever. Perfect for architects, photographers, and solar professionals who want the full Sunio experience on their iPad. As always, we'd love to hear your feedback! ### 1.3 — 2025-11-03 Sunio now shines on iPad! We've optimized the entire app for iPad's larger display. Explore sun paths, check golden hour timing, and visualize solar data with more screen real estate than ever. Perfect for architects, photographers, and solar professionals who want the full Sunio experience on their iPad. As always, we'd love to hear your feedback! ### 1.2 — 2025-10-30 We've made Sunio even better! • Now fully compatible with iOS 18 • Enhanced 3D terrain rendering for smoother, more detailed maps • Smarter navigation: rotate your device and the interface adapts automatically Enjoy exploring sunlight in stunning detail! ## Apps similar to Sunio | App | Rating | Price | Category | | --- | --- | --- | --- | | [SolarApp: Sun & Shade Tracker](https://appshunter.io/ios/app/solarapp-sun-and-shade-tracker/id6752802172) | — | Free | Weather | | [Wx Models](https://appshunter.io/ios/app/wx-models/id6756205823) | 4.0 (2) | Free | Weather | | [Sunrise Sunset Times Solstices](https://appshunter.io/ios/app/sunrise-sunset-times-solstices/id6744082667) | — | Free | Weather | | [Sun AR: Solar Path Tracker](https://appshunter.io/ios/app/sun-ar-solar-path-tracker/id6698899345) | 4.6 (10) | Free | Weather | | [WeaFit](https://appshunter.io/ios/app/weafit/id6754208298) | — | Free | Weather | | [Black Sky Weather](https://appshunter.io/ios/app/black-sky-weather/id6747352349) | 4.5 (2) | Free | Weather | ## More apps by Daniel Slave - [Swipio: Photo Gallery Cleaner](https://appshunter.io/ios/app/swipio-photo-gallery-cleaner/id6756927169) All apps by Daniel Slave: https://appshunter.io/developer/1126366753 ## Related topics [sunio](https://appshunter.io/ios/topics/sunio) · [sun tracker ar](https://appshunter.io/ios/topics/sun-tracker-ar) · [sun trajectory](https://appshunter.io/ios/topics/sun-trajectory) · [sunrise tracker](https://appshunter.io/ios/topics/sunrise-tracker) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*