Quick Scoop

On Roblox mobile, you can add people by searching their exact username in the People/Friends area and tapping Add Friend ; if you mean adding phone contacts, Roblox also has a Find Friends option that can sync contacts on mobile.

How to add someone

  1. Open the Roblox app.
  2. Go to Friends or Connect / Add Friends.
  3. Search the person’s exact username in the search bar.
  4. Open their profile and tap Add Friend or Add Connection.

Using phone contacts

  • Tap Find Friends in the Roblox mobile app.
  • Allow access to your contacts.
  • If a contact already has a Roblox account linked to their phone number, tap Add.
  • If not, tap Invite to send them an SMS invite.

Things that can block it

  • Privacy or parental controls can prevent adding or messaging people.
  • If the add button does not appear, the person may already be your friend/connection, or their settings may limit requests.

Fast tip

If you’re on a phone, the quickest method is usually searching the username exactly as written , including numbers and spelling, then sending the request from the profile page.

Roblox mobile also supports QR-based adding in some versions, where you scan a friend’s QR code from their phone profile.

TL;DR: Use Friends/Connect → search exact username → Add Friend ; for contacts, use Find Friends and allow contact access.