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Having been consistently disappointed by voice recognition apps in the past, it was with some scepticism that I installed Koetan Tokyo from Traffic Gate, Ltd.

[iTunes, Free]

Using it is very simple. You can ignore all the Japanese.

Image 1

- Tap the big black button in the middle.
- Say the name of your starting station. Pause a moment. Say the name of your destination station.
- Add the word “まで” (ma-de = ‘to’).
- Press the button in the middle again.

The app will now connect and search for your route (this only takes a few seconds. Of course you must have a data connection).

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Image 2
The results screen shows several results, one of which is bound to match yours. Not once has it failed to place my  route at the top of the list. As you can see, it’s in English and Japanese, so this is a great way to see how station names are written in Japanese too.

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Image 3
Having selected your route, the detailed results page appears. Yes, it’s all in Japanese, but even if you don’t read Japanese you can see all the important info, including time taken, cost and the number of changes. The route is diplayed below.

Click on the car / map option (地図によるルート)to see the route on the apps built-in map (image 4).

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You can then click on マップ (top right) to view the map in the iPhone’s native Google Maps app (image 5).

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Like many of these kinds of navigation apps (such as the Tokyo Metro App), Koetan! does not provide you with real-time timetable information – it’ll just give you the route and time it’ll take, so if you need precise timings you’ll still need an app such as Ekitan (Japanese only).

Another limitation is the fact that it only covers Tokyo (no Saitama, no Chiba etc) – no doubt this limitation is one reason it’s so accurate in terms of voice recognition, as there’s not all that much for the software to choose from.

However, this app is a fantastic way to quickly get this basic info without having to type in the station names, which is often the thing that causes the most problems for non-Japanese speakers.