Geo-fence functions on chalked out radii by the users for a location or a search or anything. You can define your boundaries for a geo-fence. For example: You can define the search limit for schools in an area of your city, colleges in a state, best health care facilities and many more. Geo-fences have the advantage of customization based on your requirements. This app is a boon for parents who would like to track the movement of their children while they are away from home. If your child crosses the predefined limit set by you, geo-fence sends you a notification. It works on GPS as it is location based.
Offerdose is a shopping app designed for Greece by Krify. Based on the location of consumers, the app unfolds the nearest happening shopping spots.
Radio Frequency Identification (RFID) Radio signals. It is used for catalogue control or timing decent actions. RFID is a accompaniment of distant analysis of codes for broadcasting. The knowledge make robotically identify a person, a package or an item with RFID tags.