I think everybody who wants to try tren should start off with tren ace. this way, if you run into any severe sides, you can either adjust the dose or stop and the stuff is out of your system in a matter of days. If you get any of the really bad shit with tren and you are running tren e.....you are stuck with it for a couple of weeks. For some, this could be dangerous.
So once you know that tren ace is tolerable, then you can try tren enan.
For me, I get much less sides with tren enanthate. I inject both tren enanthate and tren acetate ED, so it has precious little to do with injection frequency. However, I still feel that levels of tren enanthate are more stable when injected EOD than tren acetate when injected ED.
This is based on the number of sides I have seen, and I have tried both of them ED and EOD. I prefer ED for all of them.