Bluetooth with IOS, Android... do I need BLE?

Projects General Guidance
5

"iDemand", now there is a new word that explains a lot...........

You might find the following background notes useful.
http://homepages.ihug.com.au/~npyner/Arduino/GUIDE_2BT.pdf
http://homepages.ihug.com.au/~npyner/Arduino/BT_2_WAY.ino