Epson Runsense SF-810V

Accurate distance tracking and lots of data ; Good battery life (20 hours) ; Comfortable and rugged with a bright, clear screen

A nightmare to set up from a smartphone ; Temperamental, uninspiring app ; Not slick enough to justify its price

Although a decent chunk of hardware with excellent GPS and clever features such as stride analysis and tracking, the Runsense is badly let down by its software. If Epson can improve that, expect to see its rating heading upwards over time… To put it in...