The full photo stays visible with the saved frame marked. Reopen the crop to refine it. When you need the crop applied to a file, use Save As to create a separate copy. The original image pixels stay unchanged.
FotoTrafiX News
Soft Crop in Review
Recorded on iPad in development build 1455. See the download section for the latest public builds.
Frame and straighten a photo in Review, then tap the checkmark for Save Crop. FotoTrafiX saves the editable crop and keeps you on the same photo.