If you're looking for an easy-to-use and offline dictionary for Spanish - English translations, the Spanish - English Dictionary by ProDict is an excellent choice. With over 126,865 words, this dictionary is always available, even without an internet connection.

The app offers a variety of features, including instant start, instant search, and a vocabulary trainer that makes learning new words simple. The translator is available online, and you can listen to the pronunciation of words. You can even add new words to your personal dictionary or review your search history.

The interface is user-friendly, and you can customize the font size and color for easy reading. If you're looking for a reliable and convenient dictionary, the Spanish - English Dictionary by ProDict is definitely worth checking out.