Shaded seat diagram
Front/back and left/right zones at a glance — shaded, exposed, or neutral.
Hong Kong · Taipei · Tokyo · Singapore
Original · most fun transit app · world’s first multiplayer transport game
Board the shaded side — not the sun side
Live sun direction, building shade and ETA, with a gamified experience — know where to sit before the doors open.
Download Shade Chaser
- Live sun position
- 3D building shade
- Real-time ETA
- No account needed
In the media
As featured in Hong Kong media
U Lifestyle, Bastille Post and HK01 on the app that tells you which side of the bus is shaded.
Route pick to shaded seat in three steps
Check it just before boarding for the most accurate sun angle.
- Pick your routeEvery franchised HK route, plus Taipei, Tokyo and Singapore — with live ETA.
- We read sun, heading & buildingsReal-time sun angle, bus direction, and HK’s 3D building model.
- Sit where it’s shadedA colour-coded diagram shows shaded, exposed and neutral zones.
Everything for a cooler commute
Built for daily commuters, parents, and anyone sun- or heat-sensitive.
Live sun tracking
Real-time azimuth and altitude for your time and place, matched to bus heading.
3D building-aware shade
Hong Kong Lands Department model — towers cast real shadow on your route.
Real-time ETA
Official open data arrivals so you board with confidence.
UV + weather
Current UV index and forecast — know how fierce it is.
Privacy-first
No account. GPS stays on your device — always.
Gamified multiplayer
the world’s first multiplayer transport game — every shaded ride throws you into the race for the Sun Child leaderboard.
Four regions, one shaded habit
Switch region in the app — routes, maps and ETAs follow along.
Hong Kong
KMB · CTB · NLB · GMB · LRT · Ferries
Taipei + Taoyuan
City bus networks with shapes & live data
Tokyo
Toei + private operators · Toden tram
Singapore
LTA arrivals · GTFS static routes
Original · most fun transit app
Gamified experience — world’s first multiplayer transport game
Every shaded ride is progress — and you’re racing real players. Five zones battle live: restore HP for your district, climb the daily leaderboard, collect routes, unlock badges.
- Live multiplayer across five zones
- Live district leaderboard
- Pokédex-style Route Collection
- Badges & daily streaks
See the shade before you board
Six screens from a shaded commute — search, live map, seat diagram and the daily race.
Home — search & nearby
Nearby routes and stops, plus live weather and UV index — everything you check before heading out.
Route map with GPS
Live GPS tracking with stop-by-stop sun exposure — know which stretch will bake before you board.
Shaded seat diagram
A colour-coded six-seat map shows shaded, exposed and neutral zones, following the sun's direction for your trip.
Achievement tiers
Climb from Seed to Vampire King — tiers unlock as you rack up shaded rides across the network.
Route codebook
A Pokédex for bus routes: collect a badge for every route you ride, grouped by operator.
HK vs Taipei race
Hong Kong and Taipei battle daily on the Sun Child leaderboard — district rankings and HP totals, updated live.
Frequently asked questions
What does 見光死 Shade Chaser do?
It shows which side of the bus will be shaded at your stop, using your GPS position, the bus heading and the real-time sun position — so you can board the cooler side.
Which cities are supported?
Hong Kong (KMB, CTB, NLB, GMB, Light Rail and ferries), Taipei and Taoyuan, Tokyo, and Singapore. Switch regions inside the app.
Do I need an account?
No. The app is privacy-first: GPS stays on your device and no sign-up is required.
Is it free?
Yes — free on iOS and Android.
What is the Sun Child game?
the world’s first multiplayer transport game — a daily district race where every shaded ride you log feeds your home district’s Sun Child. Five zones compete live on the leaderboard, with route collections and badges to unlock.
Ready for a cooler ride?
Download Shade Chaser — free, no account, works on your phone.