I use the Relion Prime meter. I did have a Relion Confirm but started having issues with it being way off. I had been taking readings using my Prime and Confirm at the same time and on the same blood drop. The Confirm would initially be off by 100+ points so I would re-test with the Confirm and the 2nd test would be within a few points of the reading I had on my Prime. The Prime requires a bigger blood drop but I haven't found that to be an issue.