どこドア - 秒でわかる乗車位置！乗り換えをスムーズに

Find out in seconds which car is most convenient for your next transfer.

Just tap the route map! This intuitive app lets you find boarding and door locations.

Great for daily commutes, as well as when traveling with a stroller or large luggage.

DokoDoor makes your journey a little smarter and smoother.

[Supported routes expanding]
We plan to gradually add support to routes currently unavailable.

[Do you have these concerns?]
- Short transfer time! I want to get off right in front of the stairs.
- Since I'm using a stroller, I absolutely need to know which car has an elevator.
- Searching by entering station names is a pain.
- Poor signal on the subway, so no search results.

[DokoDoor Features]
■ 1. Search in seconds from the route map
No need to type station names. Simply tap on a station on the familiar route map to instantly display information.

■ 2. Stairs, escalators, and elevators at a glance
You can pinpoint which car and which door to take to get to the facility you're looking for.
You can switch between the intuitive "Visual Mode" and the detailed "List Mode" to suit your needs.

■ 3. Fully offline support
Data is built into the app, so no internet connection is required.
It works smoothly even on subway platforms with poor reception. It also saves data.

■ 4. Zoom in on your current station with GPS
Press the current location button to use GPS to move the map to the nearest station.
You can quickly check which car is closest to the restroom or ticket gate at my station.

[Supported Areas]
Major lines in the Tokyo metropolitan area (Tokyo, Kanagawa, Chiba, Saitama)
Supports JR East, Tokyo Metro, Toei Subway, and private railway lines.

[Recommended for]
- Businessmen looking to travel efficiently and save time
- People using strollers or wheelchairs (elevator search)
- People worried about Tokyo's complicated transfers
- Frequent subway riders

*This app's data is independently researched and collected. Actual data may differ due to operational conditions, station construction, etc. Please provide information using the in-app reporting form.