First off I looked at the software.......I probably would not use it....IMO a good lyric writer should not need such things as they should already be in your head and should come naturally. Rather than syllable counting and comparisons to styles already written people should concentrate on learning the basics. That means concentrating on learning about the music element.....and how lyrics should fit music
Once a lyricist has the basic knowledge and understanding of music composition, melody structure, chords and keys etc etc etc their lyrics would improve many fold. Lyrics should compliment melody.....that cannot be done properly if their is no understanding of such a thing.
This is not a personal attack it is a simple statement of fact.....The home truth is that a lot of word only people never even consider that poems and lyrics are two different beasts.
Now I am never against any tool that enhances work or saves time.
I am however in favour of doing a job properly.....so if you really want to learn how to write good lyrics you really need to learn about music composition. This is a hard knock business and people have to be professional in their craft to gain anything. People should not call themselves songwriters if they are unable or are unwilling or too lazy to learn to play music and can only write poems. Remember that the best lyricist are usually pretty accomplished musicians as well.
I have respect for anybody involved in any part of the process of songwriting and I say this to try to goad people into helping themselves. If the truth hurts well then do something about it. Learn to play guitar or piano and lyric writing would be so much easier and produce better results .....heck you might even have a go at writing the melody as well.

http://www.soundclick.com/bands/songInfo.cfm?bandID=687727&songID=5238055