WTSUG

WTSUG is an operating system developed and marketed by Theorysonic for TheoryWatch smart watches.

Version history

 * TheoryWatch OS 1 (2012)
 * TheoryWatch OS 2 (2013)
 * TheoryWatch OS 3 (2015)
 * WTSUG X4 (2017)
 * WTSUG AE (2018)
 * WTSUG X5 (2019)
 * WTSUG X5S (2020)
 * WTSUG X6 (2020)
 * WTSUG X6S (2021)
 * WTSUG Z (2023)
 * WTSUG ZS (2024; upcoming)