I’m insured with More Than and they haven’t been too bad, apart from 3 fuses being blown from fitting the box (cigarette lighter, AUX and lights), and being 9 days behind on their emails so they threatened to cancel my insurance 8 days after I sent proof of passing my test and all other documentation, 3 phonecalls and 4 members of staff later it was sorted. Very often my car is apparently in Iceland, in the Atlantic Ocean or it’s just floating around the roads around my village, it can get from one end to the other in a second😂 and recently it doesn’t seem to pick up half my journeys. These things might have something to do with having little to no gps signal in my area, but it’s not affected any of my scores so I’ll leave it be. Personally it seems very lenient on the speeding scores but I get marked down heavily for usage due to the 18 mile journey to and from work at 5:30 and 18:30. Many other insurers with cheaper quotes when I first passed but companies I had never heard of and couldn’t find reviews for, so decided to give those a miss. From personal research, I don’t think you’ll ever find an insurer with all good reviews, but all telematics seem to be all over the place, all boxes register things differently so it all seems to be a load of rubbish really (followed a friend who also has a black box with More Than and I braked when they did, kept to the same speed as them +/- 1 or 2 mph, I had +10 for my smoothnessand +8 usage and they had -3 for smoothness and +3.8 for usage). However, most young people struggle to afford car insurance without having the black box fitted and it’s the only way forward.