You can delete your phone number check history to free up space or hide unnecessary entries. You can perform a full clear or manually delete individual phone numbers.
Full Search History Clear
- Go to the Home tab (the NumBuster home screen)
- Tap Clear at the bottom of the screen
- Confirm the action
Your search history will be deleted.
Delete Individual Phone Numbers from History
- On the home screen, scroll down to the Search History section
- Find the phone number you want in the list of previously checked numbers
- Swipe the phone number row to the left
- Tap the trash icon

The selected phone number will be removed from your search history.
How to Clear the Call Log
- Go to the Calls tab
- Tap the ⋮ (three dots) icon in the top right corner
- Select Clear — Clear Call Log
- Confirm the action in the pop-up window
