If you are preparing for the Civil Services exam or any other competitive exams like SSC and more, the Daily Editorial & Vocabulary app is the best for you. It offers you the best of the internet in the form of an offline and online dictionary. In addition, it also gives you the opportunity to analyze the daily editorial articles of the most important newspapers of India. It is a complete package of all the things that you will need for your exam. 

What's more, is that it is completely free to download.

You can also use the app offline. This is a great help for those who are on a limited data plan!