Wearable technologies are being used in various industries like lifestyle, defence, consumer applications, fitness, and sports these days. Electronic devices, embedded clothing, implantation in the user’s body or a tattoo on the skin; wearable devices have even newer avenues available in coming years. These started as a tiny subset of mobile app development but gradually attracted dedicated development resources towards it. Find some of the popular wearable app technology trends in 2021 here!