Jawbone surprised everyone with the announcement of the Jawbone UP2 and the UP4 before the UP3 ever hit the market. While the UP4 is basically the UP3 with added Amex mobile payments, we still go hands on and check it out.

For a better breakdown of features and the UP3, check out our review here.


  • Great design.
  • Lots of useful sensors.
  • Best fitness app available
  • Comfortable


  • Expensive
  • Most sensors don't work yet.
  • Payments only work with Amex
  • No display