Developer: Andy Drizen

A Latin square is an (n x n) grid of cells. Each cell contains exactly one symbol from the set S = {1, 2, ..., n}. If you look down any column, or across any row of the Latin square, you'll see...

Officially TfL's "Best All Round App"

The only app you need for travelling on the Tube, DLR and London Overground.

- The most popular paid Tube App for iOS (July 2013)
-...

A clean display of the number of days until (or since) an event.

The Tube map has been brought to life like never before!

Tube Map Live shows Tube trains as they trickle their way across the London Underground map.

All the data is provided by...

What time will it be in New York when it is 4pm in Sydney?
Are they ahead or behind?
Are they in daylight savings time? Are we?!

With this App, you will never need to worry about...

Practise your Mandarin with this flash card quiz.

There are hundreds of characters and pinyin translations included, each divided into categories. Simply select the categories you wish to...