There is an app to get an earthquake alert. When you have installed it, you will be notified if an earthquake is heading your way.
One of the oldest Windows applications, Microsoft Windows Paint has been revamped to include 3D drawing and 3D rendering
Have you got hundreds of duplicate photos on your mobile phone but don’t have enough time to delete them? Duplicate Photos Finder helps you delete them in bulk
Finally you have an instant messaging app that allows you to delete messages even after sending them. Serkit also allows you to encrypt messages at device level
There are many to-do list apps and task management tools I have used and I have briefly reviewed the main ones I have used so far in this blog post.