You can add new group members by following the steps below.
On the mobile app:
- Tap the Groups tab.
- Tap on the group.
- Tap the gear icon in the upper right corner to open Group settings.
- Tap "Add people to group".
On the web app (www.splitwise.com):
- Navigate to the group in the left-hand sidebar.
- Click the gear icon at the top of the page and select "Edit group settings."
- Click "Add a person."
