There are lots of physical or solid gadgets (scientific instruments) that measures the pressure of the atmosphere, height (from the sea level), altitudes, and other weather forecasting scenarios. These gadgets are packed with some stunning sensors that deliver real-time effective and precise stats. Lots of people interested in hiking, swimming, long jumpers, mountaineers, and other individuals want such type of gadgets with them because they want to get the live or real-time weather updates so that they can manage to face good or worse weather situations anytime. These physical gadgets are heavy to hold and carry, that’s why now different mobile phone users have the advantage to have a built-in sensor in their mobile phones to efficiently measure these facets. Now it is pretty much simple, easy, and handy to get a stunning barometer measuring app and quickly determine atmospheric pressure and especially weather forecasting and altitude. These apps have eliminates the concept of the actual barometer measuring gadget and provides much simplicity and ease to gather detailed information about weather and other related stuff. These apps have introduced many effortless doings and compact sense for mobile users that love to hang out and engage in indoor and outdoor activities.