LONDON--(BUSINESS WIRE)--Global telematics leader Octo Telematics has launched a free smartphone driving app called ‘Octo U’ that rewards good drivers with cheaper insurance. The app uses telematics technology to monitor and score driver or rider behaviour and provides users with the option of a personalised insurance quote based on their scores. Octo U uses GPS technology to gather journey information and rank each trip based on driving behaviour such as speeding, harsh braking and acceleratio