The nice thing about Pokemon GO [] being built on various databases with available APIs is that it has inspired people to make their own tools to find Pokemon, to try and streamline the process. – it allows you to scan the area near you for which Pokemon are available, and when they will despawn. This way, if everything is accurate, you can streamline your Pokemon hunting. , Pokevision uses Nantic's API to help find this data.
Now, Pokevision isn't 100% accurate for everyone. It might not necessarily show activity at all spawns near you. And lured/incensed Pokemon aren't liable to pop up on the map, so it's best to use this as a rough guide more than anything. As well, you do have to run the scanner every time you pull up a new location. But a rough guide is a better start than going in blind, .
Now, Pokevision isn't 100% accurate for everyone. It might not necessarily show activity at all spawns near you. And lured/incensed Pokemon aren't liable to pop up on the map, so it's best to use this as a rough guide more than anything. As well, you do have to run the scanner every time you pull up a new location. But a rough guide is a better start than going in blind, .