Train Stop Alarm

Missed your station because you fell asleep on the train? Got lost in a book, a game, or your phone and rode right past your stop? Train Stop Alarm wakes you with continuous vibration and a full-screen alert as you approach your destination station. No speaker sound — perfect for quiet train cars in Japan. Ideal for travelers in Japan: set your stop, then relax — even on unfamiliar lines, with transfers, and in subways. ■ Easy 3-step setup 1. Search for your destination station by name (English OK) 2. Check the alert radius on the map (300 m – 2 km from the station) 3. Tap "Set Alarm & Board" — then sleep, read, or enjoy the ride ■ Features ・Works with railways in Japan only — station search covers all of Japan ・Continuous vibration + full-screen alarm near your station ・Silent by design — never plays sound from the speaker ・Transfers: alerts at both the transfer station and your destination. Choose the transfer station when there are several routes ・Toei Subway, Tokyo Metro & Yokohama Municipal Subway Green Line: identifies the train you are on from timetables and alerts you right after leaving the previous station — precise even underground ・Other lines: arrival-time prediction and GPS estimation keep the alarm working in tunnels ・Live Activity: remaining distance on the Lock Screen & Dynamic Island ・Apple Watch: wrist taps and stop from your wrist ・Optional alarm sound through earphones only (stops the moment they disconnect; never through the speaker) ・Save frequent stations with their own alert distance and start with one tap ・Station search shows prefecture and line names to tell same-name stations apart ・Choose the app language: Japanese, English, Traditional Chinese, Korean ・Works while the screen is locked or you're using other apps ・Your location never leaves your device ■ Notes ・Don't swipe the app away while an alarm is waiting (background is fine) ・On lines without timetable support, underground accuracy may be lower than above ground — choose a larger alert distance if in doubt ・Location tracking uses battery; keep an eye on it on long rides ・Train timetables and positions: data from the Public Transportation Open Data Center (Bureau of Transportation, Tokyo Metropolitan Government / Association for Open Data of Public Transportation)