Finds the copies, the near-identical bursts, the out-of-focus frames, the screenshots and the heavy videos. Shows you what each one is worth. Clears them in one pass.
When you delete photos, iOS moves them to Recently Deleted and keeps them for about 30 days. Your free space does not change until that album is emptied. Cleanmora says so at the moment it matters instead of claiming the space is already back.