Q: What is the difference between the trial version and the registered version?

A:

As for WinISO 5.3 Version, the limit of the unregistered version are as follows:
1). Can not extract a file greater than 3MB.
2). Can not convert an image greater than 100MB.
3). Can not save an image greater than 100MB.
4). Can not save an image greater than 100MB as new file.

As for WinISO 6.0 Beta, it is a free version without functional limitation until 31 December 2011.

WinISO Standard 6: