You can post URLs on your Insta posts, it's just not a clickable link. Twitter's policy is any text that describes other social media sites is banned, includin

You can post URLs on your Insta posts, it's just not a clickable link. Twitter's policy is any text that describes other social media sites is banned, including trying to get around it by using "dot" ("instagram dot com/user" is banned on Twitter). This isn't really the same as Insta.