See who doesn't follow you back on X

How it finds your non-followers

SpacerrX reads the same following and follower pages you can already see when you are logged in, compares the two lists, and surfaces the accounts that follow you back and the ones that don't. Nothing is sent to a server to do this, so the check happens on your own device using your own session. Because it uses the pages X already serves you, there is no authorization step and no password.

Filter the list before you act

Switch between everyone, accounts that follow back, accounts that do not, and verified accounts. The filters make it easier to protect people you know you want to keep before cleaning up the rest.

Unfollow safely, one tap at a time

Clearing hundreds of accounts in one burst is one of the clearest patterns spam detection looks for, so SpacerrX never fires bulk unfollows. Each unfollow is a single tap you press, and the tool watches your pace and warns you the moment you are moving fast enough to look automated. You decide how many to clear, and you can keep the non-followers you actually want to hold.

How do I see who's not following me back on Twitter?

Twitter is X, and the method is the same on both. Neither one ships a built-in list of accounts that don't follow you back, so the only way to get it is to compare your following list against your followers list. SpacerrX runs that comparison inside the X session already open in your browser and shows you exactly who is not following you back, free and unlimited, with no password and no authorization step.

Do I have to give you my X password?

No, and we would never ask. The checker works through the X session already open in your browser, so it reads the same pages you can already see. Signing in to SpacerrX itself is a passwordless email code or Google.

Will unfollowing get me flagged?

SpacerrX deliberately does not fire bulk actions. Every unfollow is one tap you press, and the tool warns you when your pace looks risky, because bursts are what spam detection watches for.

Is it really free?

Tracking who doesn't follow you back, with filters, is free forever and unlimited, no card needed. You also get 20 one-tap unfollows every month free. Signup credits or an active plan unlock unlimited unfollowing.