Accuracy Level

Android

Source

Name	Description
high	This will return the finest location available.
balanced	Block level accuracy considered to be about 100 meter accuracy.
low	City level accuracy is considered to be about 10km accuracy.
passive	No locations will be returned unless a different client has requested location updates in which case this request will act as a passive listener to those locations.

iOS

Source

Name	Description
bestForNavigation	The highest possible accuracy that uses additional sensor data to facilitate navigation apps.
best	The best level of accuracy available.
nearestTenMeters	Accurate to within ten meters of the desired target.
hundredMeters	Accurate to within one hundred meters.
kilometer	Accurate to the nearest kilometer.
threeKilometers	Accurate to the nearest three kilometers.
reduced	Used when an app does not need accurate location data.