There are a lot of apps out there that pay lip service to security and privacy, but Signal was built from the ground up with the goal of letting people easily communicate without having to worry about being overheard. The Signal app is a complete phone and SMS client replacement (though it works just fine as a standalone app, too) for sending and receiving encrypted calls and messages. A recent update has greatly improved the app's look and feel, proving that security and usability don't have to be at odds. New Droid Apps
Mint is a fantastic online service to keep track of your finances, and it really shines on Android. Once you've entered all your information, you can easily check up on your finances on the fly. Mint keeps you on track for your goals and a new bill paying feature make sure that you never miss a payment. Be sure to try out the app's excellent widgets, too. Droid App
Last, but certainly not least on our list is Zedge. This is a wallpapers, ringtones, notification tones, and alarm tones app that gives you an unbelievable number of options to customize the most basic parts of your device. On top of having an exhaustive collection of things, Zedge also promotes various items during holiday seasons making it easy to theme your phone up for Christmas, Halloween, and other holidays. It’s not 100% perfect. It does have the occasional bug and some irritating advertisements. Zedge Premium is a new initiative to provide premium content at a reasonable price. You watch ads or fill out surveys to earn Zedge credits. You can buy them as well with in-app purchases. It’s a good way to support the developer and the artists. We also recommend Walli (with an i) for wallpapers.
Asana is the 800-pound gorilla of task management for teams, dwarfing other popular services like the capable Trello. Asana is all about workflows and checkbox tasks that can be assigned to individuals. The Android app lets you take your tasks on the go and offline, syncing your progress when you're back on the network. It's a powerful tool with an excellent interface, and new features are added regularly. Droid App
File browsing is something everyone inevitably has (or wants) to do, so you might as well do it with a capable, fantastic file browser. Solid Explorer is pretty much as good as it gets in the file explorer apps realm. It features Material Design, archiving support, support for the most popular cloud services, and even some more power user stuff like FTP, SFPT, WebDav, and SMB/CIFS support. It looks great, it’s incredibly stable, and it just works well. There is a 14-day free trial with a $2.99 price tag at the end of it. This is, by far, the best file manager on Android for most people. Android App
This calorie counter and exercise tracker aims to help you lose weight the old-fashioned way—expending more calories than you take in. With its smart design and an extensive library of foods, it makes quickly logging the calories you take in and what you burn while exercising a snap. A barcode scanner makes it even easier to log that post-workout snack. This fitness app also plays nice with other such apps, so your data won't be tied up in just one place. MyFitnessPal won't give you a whole workout regimen, but it can make you more aware of your habits. PCMag has a full review of MyFitnessPal for the iPhone. Droid App
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