What it finds
One kind at a time, instead of scrolling through everything.
Screenshots
Saved once, never opened again.
Sent in WhatsApp
Camera Roll copies of what is still in the chat.
Screen Recordings
Screen video, far bigger than it looks.
Duplicates
Near-identical shots, grouped so you keep one.
Large Photos
Your heaviest photos, biggest first.
Large Videos
Your heaviest videos, biggest first.
Live Photos
Drop the hidden video, keep the picture.
Downloaded
Saved from somewhere else, not taken here.
Nothing leaves your device
Sweep reads your library on device. Nothing is uploaded, nothing is shared, and nothing is deleted unless you choose it — and what you delete waits in Recently Deleted, the same as in the Photos app.