Download the Adafruit Bluefruit LE Connect App from the Apple App Store.

Run the downloaded app and select the Adafruit Bluefruit LE device.

You should now see the data being sent from the Arduino BLE device over to your phone by pressing the 'Uart' button second from the lower left. The data is being sent over in comma seperated format as:

temperature, humidity, light, lux, noise and heart rate