Collins Spanish Dictionary

The Collins Spanish Dictionary is a bilingual dictionary of English and Spanish derived from the Collins Word Web, an analytical linguistics database. As well as its primary function as a bilingual dictionary, it also contains usage guides for English and Spanish (known as "Lengua y Uso" and "Language in Use" respectively) and English and Spanish verb tables. In 2009, the dictionary was brought to the iPhone & iPad platform. The iOS app of this dictionary, which has become one of the most popular Spanish dictionaries in the App store since then is developed by Cole Zhu Inc.