Run the check
Enter an Instagram username or public profile URL on the homepage and choose Search now. FollowerSignal opens the relationship checker and starts the scan automatically.
- Use the exact public username.
- Do not enter an Instagram password.
- Keep the page open while both lists are collected.
Read the result
The report separates followers, following, mutuals, and accounts that do not follow back. A first scan creates a baseline; later completed scans can show changes detected since that baseline.