5. Reddit Sync
With Reddit Sync, users can easily up/down vote and comment on posts, manage and sync favorite subreddits, preview posts, and view images in full-screen. Change the color of the app's theme, and toggle between day and night reading mode. Other features include being able to access your Reddit inbox, post links, and access subreddit pages offline. Take advantage of the not-safe-for-work content filter and share your favorite content. You can download Reddit Sync from the Google Play Store here.