HikariYomi
AR Sun, Shadow & Astro Guide
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Cinematography & photography AR solar pathfinder, shadow vectors, and celestial exposure telemetry in your pocket.
HikariYomi is an advanced AR solar telemetry and natural light scouting tool crafted specifically for photographers, cinematographers, and visual artists.
"Where will the light fall, and where will shadows stretch at this exact location and time?"
Experience seamless fusion of augmented reality and high-resolution satellite cartography to orchestrate your lighting setup with surgical precision.
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KEY CAPABILITIES:
◆ AR Live Solar & Shadow Telemetry
- Direct camera AR overlay displaying real-time celestial trajectory, solar altitude, and azimuth until sunset/twilight.
- Interactive Ground Shadow Vectors dynamically projecting shadow direction and multiplier ratios.
- Cinema lens field-of-view (FOV) framing guides (Anamorphic, Full Frame, Super 35, APS-C).
◆ Satellite Map Planner
- Drop a pin anywhere across the globe to simulate sunlight rays and casting shadows across satellite terrain.
- Granular time-scrubber to travel across 1-minute increments for upcoming weeks.
- Unlimited custom spot bookmarking with exact coordinates.
◆ Atmospheric Optics & Sunset Prediction
- Real-time weather telemetry powered by Apple WeatherKit.
- Proprietary 3-tier cloud breakdown (Low, Mid, High layers) with sunset vividness scoring.
- Golden hour and blue hour duration countdowns.
◆ Astrophotography & Nightscape Guide
- Precise moon phase, illumination percentage, and moonrise/set schedules.
- Galactic Center (Milky Way core) azimuth, elevation, and optimal dark-sky window tracker.
- Built-in NPF Rule and 500 Rule astrophotography exposure calculator.
◆ Deep iOS Integration
- Dynamic Island and Lock Screen Live Activities for magic hour countdowns.
- Home Screen Widgets for instant glanceable light telemetry.
- Haptic feedback and organic sound design (fully respectful of Silent Mode).
Never miss golden hour again. Unlock the language of natural light with HikariYomi.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Keita Morozumi, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Keita Morozumi
- Size
- 8.2 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 16.2 or later.
- iPhone
Requires iOS 16.2 or later.
• iPhone 6S
• iPhone 6S Plus
• iPhone SE (1st generation)
• iPhone 7
• iPhone 7 Plus
• iPhone 8
• iPhone 8 Plus
• iPhone X
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone SE (2nd generation)
• iPhone 12 mini
• iPhone 12
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 13 mini
• iPhone 13
• iPhone SE (3rd generation)
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 16e
• iPhone 17 Pro
• iPhone 17 Pro Max
• iPhone 17
• iPhone Air
• iPhone 17e
• iPhone 18 Pro
• iPhone 18 Pro Max
• iPhone Duo - Mac
Requires macOS 13.1 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- HikariYomi PRO $6.99
- Copyright
- © 2026 brightone