TikTok is gearing up to launch a photo-sharing app dubbed “Notes” in a move that could rival social media platform Instagram. Users have reported seeing pop up notifications with information on the latest app. TikTok chiefs have not confirmed when it will launch but said it will be “soon”. Some Reddit users have shared screenshots of what the app could soon become. In one picture, the message on the TikTok app reads: “Your photo posts will now be shown on TikTok”. It continues saying: “TikTok Notes, a new app for photo posts, is coming soon! Your existing and future public TikTok photo posts w…