Q: What are the main difference between aperture and iPhoto?

FlowerG-

I have scanned many hundreds of negatives using expensive Nikon film scanners. Very tedious work, s l o w.

Service bureaus scan film and many do great jobs but a) they can be pricey and b) it means your negatives leave your possession, so IMO make sure you use a very reputable local firm. Personally I would not send one-of-a-kind irreplaceable negs off to some internet wholesale scanner.

The very top quality scans are drum scans done by an experienced talented operator. Last time I checked such scans cost ~$50 each. Unfortunately a lame operator can mean a lame scan, so one does need to be very conversant with the service bureau doing the scan.

Today various cheaper multi-purpose flatbed scanners also work. The Epson V-700 series is perhaps the most popular among graphics pros who can do without the definition provided by a film-only scanner like the Nikons.

The much cheaper Epson V-600 series may work for your needs if top quality scans are not required.

No scan, even a $50 drum scan, is as good as the original negative.

HTH

-Allen