3. Diple
Diple is a very powerful microscope for any smartphone. This microscope is easy to use and lets you explore the microscopic world easily. You just need to the main camera over the lens of your smartphone and you are all set to discover invisible creatures. Although it works with any camera app, it comes with its own app that works best with the device. Diple is powerful and can achieve a resolution below 1 micron (0.8um). It also has features that make it easy to use.