Gmail finally reveals all data it collects from phone users, adds privacy labels to iOS app After YouTube, Gmail now becomes the second most important Google app to get a privacy label. Ankita Chakravarti | February 23, 2021 | Updated 09:17 IST Highlights Google took a very long time to add labels to its major apps. After YouTube, Gmail now becomes the second most important Google app to get a privacy label. Google has finally added privacy labels to the Gmail app on Apple App Store. Google took a very long time to add labels to its major apps. After YouTube, Gmail now becomes the second most important Google app to get a privacy label. Some of the popular Google apps that are widely used by iPhone users including Gmail, Google search, Photos, Docs, and YouTube.