Why this app is so popular

It’s hard to imagine anyone wanting to read or write in this app without it.

The design, the features, and the simplicity make it one of the most popular apps for reading and writing on Android.

But if you don’t have an Android device, it’s worth checking out for the convenience and the great experience.

Read moreAbout The AuthorJillian B. Lewis is a senior editor at The Huffington, and an associate editor at CNET.

Follow her on Twitter at @JillianBLewis.