Pro Account:

* Unlimited uploads (10MB per photo)
* Unlimited storage
* Unlimited bandwidth
* Unlimited photosets
* Permanent archiving of high-resolution original images
* The ability to replace a photo
* Post any of your photos in up to 60 group pools
* Ad-free browsing and sharing

Compare that to what you get with a Free Account:

* 100 MB monthly upload limit (5MB per photo)
* 3 sets
* Photostream views limited to the 200 most recent images
* Post any of your photos in up to 10 group pools
* Only smaller (resized) images accessible (though the originals are saved in case you upgrade later)

zalezi od teba ake mas poziadavky