Has anyone gotten any useful results from using Vocal Sync

I own Revoice Pro 4 which is a combination of Vocal Align and a pitch, "character" and EQ alignment. As their website says "clone the timing, pitch, vibrato and level features of one audio track and use it on another, giving you the chance to match or correct timing, tuning and level." So far I like it for my single male voice (never tried it on other singers) but you do need to have your 2 or more vocal performances fairly close in-sync to begin with or you can get extreme artifacts.
 
One neat trick is I can, with Izotope RX7, "steal" a vocal from a real recording of a famous singer and make a close clone of my voice. Just sing the song in close sync with the famous singer and use Revoice to get all those little vibratos, subtle volume/pitch changes and inflections I didn't sing, because either I just can't sing that well or I'm too lazy to practice (both are true). For example, I always liked the Doobie Brothers "Losing End" song, so I was able to isolate Michael McDonald's vocal then sing along with it in almost perfect unison but my mini-inflections, vibrato and volume changes weren't accurate. But when I processed it with Revoice 4, I sounded almost like his twin brother - amazing. There were vibratos I didn't sing that were now there and volume changes I hadn't sung that were now there as well as many little subtle pitch changes. Izotope RX 7 also allows you to make very good "Karaoke" versions of real songs, essentially the opposite of grabbing just the vocal.
 
I contacted Celemony about their efforts to improve Melodyne to be able to do these types of things and they said that they are dabbling in it but it is a lot harder to do than one would think. Anyway, it can do amazing things but you have to be in fairly good sync in the first place which kinda defeats the purpose a little bit. As far as stacking multiple tracks of voices simultaneously - I haven't tried that task yet but they say it can be done and I don't see why it wouldn't work as long as things are fairly in-sync, to begin with. Their website has lots of examples of before and after with multiple voices and they sound great.
 
As far as integrating with Cakewalk, it doesn't (but I'm pretty sure Vocal Align does). Revoice Pro 4 opens independently outside of Cakewalk and you just drag your vocal tracks into it, process them and then drag the new track(s) back into Cakewalk but you need to align them in Cakewalk. A bit of a hassle but it works. I asked Synchroarts if it was likely they were going to get it to work like Vocal Align and they said there were no plans at this time...
 
Lots of great vocal software is out there now like Revoice Pro 4 (which is Vocal Align on steroids), Izotope RX7, and Izotope Nectar 3, Neutron 2 and Ozone 8. I bought them all and they are pretty amazing as well as Melodyne and Waves Tune (which is the only good way to create a perfect vibrato as far as I know but their interface is way too small, yuck).
 
I'm pretty sure all of these products offer free trials so go for it.