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HikariYomi (光読み)
Offline AR optical ephemeris & field planner for creators
HikariYomi (光読み) is a native iOS AR optical ephemeris & field planner for photographers. Unlike scouting tools that push subscriptions and fail off-grid, HikariYomi runs 100% offline via on-device astronomical algorithms. Highlights: • Live AR celestial arcs & golden hour countdowns • Prime lens FOV simulator (24mm–135mm) with 3:2 frames • Map shadow projections & 16-day sunset scores • Milky Way core tracking + NPF shutter limits • Free core tools, one-time $7.99 Pro buyout
Hey Product Hunt community! 👋
I'm Keita Morozumi from design studio brightone, creator of HikariYomi (光読み).
As someone passionate about outdoor photography, capturing the decisive golden hour or the Milky Way often comes down to minutes of preparation. But existing scouting tools often suffer from:
1. Being locked behind expensive recurring monthly subscriptions.
2. Breaking down completely the moment you hike out of cell tower range.
3. Clunky interfaces that ruin your night vision.
That's why I created HikariYomi:
☀️ AR Optical Finder with live solar/lunar ephemeris and golden hour countdowns.
🔭 24mm–135mm DSLR prime lens FOV simulator with 3:2 frame lines.
🗺️ Satellite map shadow casting and 16-day sunset predictions.
🌌 Milky Way Galactic Core elevation tracking + NPF exposure limits.
🔴 Darkroom Crimson night vision HUD theme.
⌚ Apple Watch companion & iOS lock screen widgets.
Everything is 100% offline-first. No accounts. No tracking.
The core tools are free forever, and the Pro suite is a one-time lifetime purchase ($7.99).
I'd be thrilled to hear your thoughts, feedback, and what features you’d like to see next!
About HikariYomi (光読み) on Product Hunt
“Offline AR optical ephemeris & field planner for creators”
HikariYomi (光読み) was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #160 on the daily leaderboard. HikariYomi (光読み) is a native iOS AR optical ephemeris & field planner for photographers. Unlike scouting tools that push subscriptions and fail off-grid, HikariYomi runs 100% offline via on-device astronomical algorithms. Highlights: • Live AR celestial arcs & golden hour countdowns • Prime lens FOV simulator (24mm–135mm) with 3:2 frames • Map shadow projections & 16-day sunset scores • Milky Way core tracking + NPF shutter limits • Free core tools, one-time $7.99 Pro buyout
On the analytics side, HikariYomi (光読み) competes within iOS, Photography and Augmented Reality — topics that collectively have 299k followers on Product Hunt. The dashboard above tracks how HikariYomi (光読み) performed against the three products that launched closest to it on the same day.
Who hunted HikariYomi (光読み)?
HikariYomi (光読み) was hunted by Keita Morozumi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of HikariYomi (光読み) including community comment highlights and product details, visit the product overview.
Keita Morozumi