Open PictureEcho, add photo library paths via Settings > Select folders, then click the Scan button to start duplicate detection.

Yes, you can add multiple paths in Settings > Add Folders, and the app will scan all included directories simultaneously.

It supports over 20 formats including RAW images, JPEG, PNG, TIFF, and more, ensuring comprehensive duplicate detection.

You can adjust the 'Similarity Threshold' slider to set sensitivity, helping to identify visually similar but not identical images.

Yes, the app offers adjustable previews of duplicate images to review before deciding to keep, move, or delete.

Duplicates are grouped together, making it easy to review and manage similar or identical photos in distinct groups.

The free trial allows scanning and deleting duplicates in 10 groups; unlimited groups require a premium subscription via Settings > Subscription.

Go to Settings > Subscription, choose the premium plan, and follow the prompts to complete your purchase.

Ensure your folder paths are correct, update the app if needed, and restart the scan. Contact support if issues persist.

Deleted duplicates are sent to Recycle Bin; you can restore them from there if needed, provided you haven't permanently emptied it.