For developers, it could be a good source of extra income. That said, some developers have reported huge download numbers off the back of the free app of the day promotion, but no resulting increase in sales once the promotion is over. You are also likely to do better with tablet optimized apps than smartphone apps in general, as Kindle users are the primary customers.
Dropbox pioneered the personal cloud service, where all your stuff would be available no matter what device you were using. On Android, it holds its own—even against the highly integrated Google Drive. Dropbox can also act as a seamless backup for your images, automatically uploading every photo to the cloud. It even includes some light image editing tools. If you're the type of person with lots of files already stored in Dropbox, this app is a must-have.
Streaming services are all the rage, but if you still keep music locally, BlackPlayer is worth your attention. We particularly like the Discover option, which shuffles through 10-second previews of seldom-played tracks in your library continuously, until you decide on what to listen to next. There's also a built-in tag editor and a ton of customization options for button styles, fonts, themes, and now playing notifications.
IFTTT, which stands for "if this, then that," helps you create custom automations between various online services and devices without any coding experience. The mobile app makes it simple to set up these Applets (previously called recipes) on your own or implement any of the community-created ones. IFTTT is particularly great for controlling smart home devices. Android App
Max Eddy is a Software Analyst, taking a critical eye to the Android OS and security services. He's also PCMag's foremost authority on weather stations and digital scrapbooking software. He spends much of his time polishing his tinfoil hat and plumbing the depths of the Dark Web. Prior to PCMag, Max wrote for the International Digital Times, The... See Full Bio Droid App
The Amazon-owned ComiXology —the iTunes of digital comics—offers a near-perfect combination of store and comic book reader in its wonderful Comics app. The free app transforms your Android smartphone or tablet into a digital long box that houses and syncs your purchases across multiple devices. Even better, the new Comixology Unlimited service lets you devour an ever-expanding catalog of titles for just $5.99 per month. Once you have the app downloaded, you should make sure to read our feature on digital comic books you should read right now. Droid App